Abies concolor (Gordon & Glend.) Lindl. ex Hildebr. | 700 images |
Abies lasiocarpa (Hook.) Nutt. | 178 images |
Abronia angustifolia Greene | 7 images |
Abronia bigelovii Heimerl | 2 images |
Abronia fragrans Nutt. ex Hook. | 79 images |
Abutilon abutiloides (Jacq.) Garcke ex Hochr. | 17 images |
Abutilon hypoleucum A.Gray | 1 images |
Abutilon incanum (Link) Sweet | 18 images |
Abutilon theophrasti Medik. | 3225 images |
Abutilon trisulcatum (Jacq.) Urb. | 5 images |
Abutilon viscosum (L.) Dorr | 1 images |
Acaciella angustissima (Mill.) Britton & Rose | 78 images |
Acalypha monostachya Cav. | 25 images |
Acalypha phleoides Cav. | 19 images |
Acalypha poiretii Spreng. | 9 images |
Acalypha radians Torr. | 4 images |
Acalypha rhomboidea Raf. | 3 images |
Acalypha virginica L. | 1215 images |
Acanthocereus tetragonus (L.) Hummelinck | 2043 images |
Acanthospermum australe (Loefl.) Kuntze | 106 images |
Acer glabrum Torr. | 165 images |
Acer grandidentatum Nutt. | 74 images |
Acer negundo L. | 17578 images |
Acer rubrum L. | 6363 images |
Acer saccharum Marshall | 2215 images |
Achillea millefolium L. | 26045 images |
Achyranthes aspera L. | 1008 images |
Acleisanthes longiflora A.Gray | 8 images |
Acleisanthes obtusa (Choisy) Standl. | 4 images |
Acmispon americanus (Nutt.) Rydb. | 27 images |
Aconitum columbianum Nutt. | 176 images |
Acorus calamus L. | 750 images |
Acourtia thurberi (A.Gray) Reveal & R.M.King | 8 images |
Acourtia wrightii (A.Gray) Reveal & R.M.King | 1 images |
Actaea rubra (Aiton) Willd. | 797 images |
Adiantum capillus-veneris L. | 3289 images |
Adonis annua L. | 882 images |
Adoxa moschatellina L. | 792 images |
Aegilops cylindrica Host | 62 images |
Aeschynomene americana L. | 160 images |
Aeschynomene indica L. | 52 images |
Aesculus × bushii C.K.Schneid. | 14 images |
Aesculus glabra Willd. | 1107 images |
Aesculus pavia L. | 1616 images |
Agalinis calycina Pennell | 3 images |
Agalinis edwardsiana Pennell | 11 images |
Agalinis maritima (Raf.) Raf. | 6 images |
Agalinis oligophylla Pennell | 2 images |
Agalinis purpurea (L.) Pennell | 178 images |
Agalinis tenuifolia (Vahl) Raf. | 103 images |
Agastache breviflora (A.Gray) Epling | 2 images |
Agastache nepetoides (L.) Kuntze | 73 images |
Agastache rupestris (Greene) Standl. | 159 images |
Agave americana L. | 8511 images |
Agave asperrima Jacobi | 155 images |
Agave havardiana Trel. | 76 images |
Agave lechuguilla Torr. | 102 images |
Agave lophantha Schiede | 244 images |
Agave maculata Regel | 51 images |
Agave palmeri Engelm. | 34 images |
Agave parryi Engelm. | 475 images |
Agave schottii Engelm. | 13 images |
Agave variegata Jacobi | 6 images |
Agave virginica L. | 54 images |
Agave weberi J.F.Cels ex J.Poiss. | 17 images |
Ageratina altissima (L.) R.M.King & H.Rob. | 1303 images |
Ageratina havanensis (Kunth) R.M.King & H.Rob. | 11 images |
Ageratina herbacea (A.Gray) R.M.King & H.Rob. | 17 images |
Ageratina rothrockii (A.Gray) R.M.King & H.Rob. | 3 images |
Ageratum corymbosum Zuccagni | 1 images |
Ageratum houstonianum Mill. | 3496 images |
Agoseris aurantiaca (Hook.) Greene | 47 images |
Agoseris glauca (Pursh) Raf. | 36 images |
Agoseris heterophylla (Nutt.) Greene | 45 images |
Agrimonia eupatoria L. | 12591 images |
Agrimonia gryposepala Wallr. | 413 images |
Agrimonia pubescens Wallr. | 25 images |
Agrimonia rostellata Wallr. | 31 images |
Agrimonia striata Michx. | 20 images |
Agropyron cristatum (L.) Gaertn. | 136 images |
Agropyron desertorum (Fisch. ex Link) Schult. | 3 images |
Agrostemma githago L. | 4386 images |
Agrostis exarata Trin. | 11 images |
Agrostis gigantea Roth | 190 images |
Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. | 4 images |
Agrostis perennans (Walter) Tuck. | 4 images |
Agrostis scabra Willd. | 2 images |
Agrostis stolonifera L. | 420 images |
Agrostis variabilis Rydb. | 1 images |
Ailanthus altissima (Mill.) Swingle | 13141 images |
Aira elegans Willd. ex Roem. & Schult. | 64 images |
Ajuga reptans L. | 22533 images |
Albizia julibrissin Durazz. | 14673 images |
Alcea rosea L. | 15629 images |
Alchemilla australis (Rydb.) Bomble | 59 images |
Alchemilla monticola Opiz | 872 images |
Alchemilla vulgaris L. | 266 images |
Aldama cordifolia (A.Gray) E.E.Schill. & Panero | 4 images |
Aldama phenax (S.F.Blake) E.E.Schill. & Panero | 2 images |
Aletris aurea Walter | 3 images |
Aletris farinosa L. | 19 images |
Alhagi graecorum Boiss. | 18 images |
Alhagi maurorum Medik. | 138 images |
Alisma gramineum Lej. | 25 images |
Alisma subcordatum Raf. | 36 images |
Alisma triviale Pursh | 38 images |
Allenrolfea occidentalis (S.Watson) Kuntze | 28 images |
Allionia choisyi Standl. | 9 images |
Allionia incarnata L. | 148 images |
Allium acuminatum Hook. | 56 images |
Allium ampeloprasum L. | 6655 images |
Allium bigelovii S.Watson | 2 images |
Allium bisceptrum S.Watson | 20 images |
Allium brevistylum S.Watson | 3 images |
Allium canadense L. | 337 images |
Allium cepa L. | 2584 images |
Allium cernuum Roth | 269 images |
Allium drummondii Regel | 55 images |
Allium geyeri S.Watson | 3 images |
Allium macropetalum Rydb. | 9 images |
Allium stellatum Nutt. ex Ker Gawl. | 22 images |
Alnus incana (L.) Moench | 2922 images |
Alnus oblongifolia Torr. | 4 images |
Alnus serrulata (Aiton) Willd. | 143 images |
Aloe vera (L.) Burm.f. | 10641 images |
Alopecurus aequalis Sobol. | 139 images |
Alopecurus carolinianus Walter | 4 images |
Alopecurus geniculatus L. | 136 images |
Alopecurus myosuroides Huds. | 579 images |
Alopecurus pratensis L. | 2983 images |
Aloysia gratissima (Gillies & Hook.) Tronc. | 197 images |
Aloysia macrostachya (Torr.) Moldenke | 9 images |
Alternanthera bettzickiana (Regel) G.Nicholson | 820 images |
Alternanthera caracasana Kunth | 138 images |
Alternanthera paronychioides A.St.-Hil. | 57 images |
Alternanthera philoxeroides (Mart.) Griseb. | 349 images |
Alternanthera pungens Kunth | 161 images |
Alysicarpus vaginalis (L.) DC. | 216 images |
Alyssum alyssoides (L.) L. | 1156 images |
Alyssum desertorum Stapf | 28 images |
Alyssum simplex Rudolphi | 182 images |
Amaranthus albus L. | 556 images |
Amaranthus blitoides S.Watson | 552 images |
Amaranthus blitum L. | 2493 images |
Amaranthus californicus (Moq.) S.Watson | 12 images |
Amaranthus crassipes Schltdl. | 2 images |
Amaranthus cruentus L. | 1233 images |
Amaranthus fimbriatus (Torr.) Benth. | 45 images |
Amaranthus greggii S.Watson | 1 images |
Amaranthus hybridus L. | 1534 images |
Amaranthus hypochondriacus L. | 1335 images |
Amaranthus palmeri S.Watson | 127 images |
Amaranthus polygonoides L. | 19 images |
Amaranthus powellii S.Watson | 109 images |
Amaranthus retroflexus L. | 9073 images |
Amaranthus spinosus L. | 1453 images |
Amaranthus torreyi (A.Gray) Benth. ex S.Watson | 35 images |
Amaranthus viridis L. | 1732 images |
Amblyolepis setigera DC. | 31 images |
Ambrosia acanthicarpa Hook. | 64 images |
Ambrosia artemisiifolia L. | 5474 images |
Ambrosia bidentata Michx. | 20 images |
Ambrosia confertiflora DC. | 24 images |
Ambrosia monogyra (Torr. & A.Gray) Strother & B.G.Baldwin | 2 images |
Ambrosia psilostachya DC. | 417 images |
Ambrosia trifida L. | 1122 images |
Amelanchier alnifolia (Nutt.) Nutt. ex M.Roem. | 825 images |
Amelanchier arborea (F.Michx.) Fernald | 37 images |
Amelanchier utahensis Koehne | 74 images |
Ammannia auriculata Willd. | 13 images |
Ammannia coccinea Rottb. | 49 images |
Ammannia grayi S.A.Graham & Gandhi | 4 images |
Ammannia latifolia L. | 18 images |
Ammannia robusta Heer & Regel | 7 images |
Ammi majus L. | 2468 images |
Amorpha canescens Pursh | 250 images |
Amorpha fruticosa L. | 2200 images |
Amorpha nana Nutt. | 4 images |
Ampelopsis cordata Michx. | 431 images |
Amphiachyris amoena (Shinners) Solbrig | 4 images |
Amphiachyris dracunculoides (DC.) Nutt. | 102 images |
Amphicarpaea bracteata (L.) Fernald | 475 images |
Amsinckia menziesii (Lehm.) A.Nelson & J.F.Macbr. | 226 images |
Amsonia ciliata Walter | 101 images |
Amsonia longiflora Torr. | 20 images |
Amsonia palmeri A.Gray | 6 images |
Amsonia tabernaemontana Walter | 876 images |
Amsonia tharpii Woodson | 2 images |
Amsonia tomentosa Torr. & Frém. | 3 images |
Anaphalis margaritacea (L.) Benth. & Hook.f. | 1489 images |
Anchusa azurea Mill. | 3331 images |
Andersonglossum virginianum (L.) J.I.Cohen | 258 images |
Andropogon gerardi Vitman | 201 images |
Andropogon gyrans Ashe | 9 images |
Andropogon hallii Hack. | 3 images |
Andropogon ternarius Michx. | 32 images |
Andropogon virginicus L. | 3 images |
Androsace occidentalis Pursh | 5 images |
Androsace septentrionalis L. | 184 images |
Androstephium breviflorum S.Watson | 7 images |
Androstephium coeruleum (Scheele) Greene | 5 images |
Anemia mexicana Klotzsch | 38 images |
Anemonastrum canadense (L.) Mosyakin | 1046 images |
Anemone berlandieri Pritz. | 154 images |
Anemone caroliniana Walter | 9 images |
Anemone cylindrica A.Gray | 14 images |
Anemone multifida Poir. | 124 images |
Anemone tuberosa Rydb. | 16 images |
Anemopsis californica (Nutt.) Hook. & Arn. | 125 images |
Anethum graveolens L. | 2887 images |
Angelica pinnata S.Watson | 2 images |
Anisacanthus puberulus (Torr.) Henrickson & E.J.Lott | 1 images |
Anisacanthus quadrifidus (Vahl) Nees | 59 images |
Anisacanthus thurberi (Torr.) A.Gray | 16 images |
Anoda cristata (L.) Schltdl. | 66 images |
Anredera cordifolia (Ten.) Steenis | 1044 images |
Anredera vesicaria (Lam.) C.F.Gaertn. | 5 images |
Antennaria marginata Greene | 1 images |
Antennaria media Greene | 9 images |
Antennaria microphylla Rydb. | 6 images |
Antennaria parlinii Fernald | 24 images |
Antennaria parvifolia Nutt. | 98 images |
Antennaria rosea Greene | 5 images |
Anthemis cotula L. | 1719 images |
Anthoxanthum aristatum Boiss. | 58 images |
Anthoxanthum nitens (Weber) Y.Schouten & Veldkamp | 81 images |
Anthoxanthum odoratum L. | 2473 images |
Anticlea elegans (Pursh) Rydb. | 66 images |
Antigonon leptopus Hook. & Arn. | 1520 images |
Anulocaulis leiosolenus (Torr.) Standl. | 3 images |
Apera interrupta (L.) P.Beauv. | 31 images |
Apera spica-venti (L.) P.Beauv. | 105 images |
Aphanostephus pilosus Buckley | 4 images |
Aphanostephus ramosissimus DC. | 45 images |
Apios americana Medik. | 338 images |
Apium graveolens L. | 2018 images |
Apocynum androsaemifolium L. | 1106 images |
Apocynum cannabinum L. | 1097 images |
Apteria aphylla (Nutt.) Barnhart ex Small | 7 images |
Aquarius cordifolius (L.) Christenh. & Byng | 89 images |
Aquilegia canadensis L. | 2108 images |
Aquilegia chrysantha A.Gray | 79 images |
Aquilegia coerulea E.James | 7 images |
Aquilegia desertorum (M.E.Jones) Cockerell ex A.Heller | 24 images |
Aquilegia elegantula Greene | 18 images |
Arabidopsis thaliana (L.) Heynh. | 2183 images |
Arabis hirsuta (L.) Scop. | 1575 images |
Aralia humilis Cav. | 4 images |
Aralia spinosa L. | 455 images |
Arbutus xalapensis Kunth | 135 images |
Arceuthobium campylopodum Engelm. | 34 images |
Arceuthobium divaricatum Engelm. | 2 images |
Arceuthobium douglasii Engelm. | 4 images |
Arctium minus (Hill) Bernh. | 12478 images |
Arctostaphylos patula Greene | 125 images |
Arctostaphylos pungens Kunth | 136 images |
Arctostaphylos uva-ursi (L.) Spreng. | 2229 images |
Ardisia crenata Sims | 1040 images |
Ardisia japonica (Thunb.) Blume | 13 images |
Arenaria benthamii Fenzl ex Torr. & A.Gray | 1 images |
Arenaria lanuginosa (Michx.) Rohrb. | 8 images |
Arenaria serpyllifolia L. | 1538 images |
Argemone albiflora Hornem. | 246 images |
Argemone mexicana L. | 1184 images |
Argemone pleiacantha Greene | 61 images |
Argemone polyanthemos (Fedde) Ownbey | 9 images |
Argemone sanguinea Greene | 10 images |
Argemone squarrosa Greene | 6 images |
Argentina anserina (L.) Rydb. | 5550 images |
Ariocarpus fissuratus (Engelm.) K.Schum. | 69 images |
Arisaema dracontium (L.) Schott | 362 images |
Arisaema triphyllum (L.) Schott | 2207 images |
Aristida adscensionis L. | 149 images |
Aristida purpurea Nutt. | 8 images |
Aristida spiciformis Elliott | 1 images |
Aristida ternipes Cav. | 11 images |
Aristolochia coryi I.M.Johnst. | 9 images |
Aristolochia erecta L. | 2 images |
Aristolochia serpentaria L. | 19 images |
Aristolochia tomentosa Sims | 92 images |
Aristolochia watsonii Wooton & Standl. | 14 images |
Aristolochia wrightii Seem. | 11 images |
Armoracia rusticana G.Gaertn., B.Mey. & Scherb. | 303 images |
Arnica chamissonis Less. | 102 images |
Arnica cordifolia Hook. | 225 images |
Arnoglossum ovatum (Walter) H.Rob. | 1 images |
Arnoglossum plantagineum Raf. | 54 images |
Aronia arbutifolia (L.) Pers. | 190 images |
Arrhenatherum elatius (L.) P.Beauv. ex J.Presl & C.Presl | 2438 images |
Artemisia annua L. | 3699 images |
Artemisia biennis Willd. | 158 images |
Artemisia campestris L. | 1870 images |
Artemisia cana Pursh | 35 images |
Artemisia dracunculus L. | 2577 images |
Artemisia filifolia Torr. | 34 images |
Artemisia frigida Willd. | 129 images |
Artemisia laciniata Willd. | 4 images |
Artemisia ludoviciana Nutt. | 1290 images |
Artemisia nova A.Nelson | 4 images |
Artemisia spinescens D.C.Eaton | 1 images |
Artemisia tridentata Nutt. | 357 images |
Arthraxon hispidus (Thunb.) Makino | 48 images |
Arundinaria gigantea (Walter) Muhl. | 202 images |
Arundo donax L. | 3185 images |
Asclepias amplexicaulis Sm. | 55 images |
Asclepias arenaria Torr. | 15 images |
Asclepias asperula (Decne.) Woodson | 453 images |
Asclepias brachystephana Engelm. ex Torr. | 21 images |
Asclepias curassavica L. | 2673 images |
Asclepias emoryi (Greene) Vail | 9 images |
Asclepias engelmanniana Woodson | 8 images |
Asclepias hallii A.Gray | 10 images |
Asclepias incarnata L. | 1307 images |
Asclepias involucrata Engelm. ex Torr. | 2 images |
Asclepias lanceolata Walter | 8 images |
Asclepias latifolia (Torr.) Raf. | 132 images |
Asclepias linaria Cav. | 88 images |
Asclepias linearis Scheele | 16 images |
Asclepias longifolia Michx. | 17 images |
Asclepias macrotis Torr. | 5 images |
Asclepias nummularia Torr. | 2 images |
Asclepias nyctaginifolia A.Gray | 1 images |
Asclepias obovata Elliott | 2 images |
Asclepias perennis Walter | 44 images |
Asclepias prostrata W.H.Blackw. | 3 images |
Asclepias pumila (A.Gray) Vail | 6 images |
Asclepias purpurascens L. | 673 images |
Asclepias rubra L. | 9 images |
Asclepias speciosa Torr. | 769 images |
Asclepias stenophylla A.Gray | 20 images |
Asclepias subverticillata (A.Gray) Vail | 18 images |
Asclepias syriaca L. | 4176 images |
Asclepias texana A.Heller | 22 images |
Asclepias tomentosa Elliott | 8 images |
Asclepias tuberosa L. | 2624 images |
Asclepias uncialis Greene | 2 images |
Asclepias variegata L. | 147 images |
Asclepias verticillata L. | 200 images |
Asclepias viridiflora Raf. | 215 images |
Asclepias viridis Walter | 535 images |
Asimina parviflora (Michx.) Dunal | 51 images |
Asimina triloba (L.) Dunal | 1559 images |
Asparagus officinalis L. | 3378 images |
Asphodelus fistulosus L. | 2788 images |
Asplenium platyneuron (L.) Britton, Sterns & Poggenb. | 367 images |
Asplenium resiliens Kunze | 11 images |
Asplenium scolopendrium L. | 6713 images |
Asplenium septentrionale (L.) Hoffm. | 443 images |
Asplenium trichomanes L. | 6433 images |
Astragalus alpinus L. | 428 images |
Astragalus canadensis L. | 52 images |
Astragalus cicer L. | 420 images |
Astragalus crassicarpus Nutt. | 71 images |
Astragalus lindheimeri Engelm. ex A.Gray | 1 images |
Astragalus lotiflorus Hook. | 8 images |
Astragalus missouriensis Nutt. | 43 images |
Astragalus mollissimus Torr. | 65 images |
Astragalus nuttallianus DC. | 17 images |
Astragalus racemosus Pursh | 24 images |
Astragalus siliceus Barneby | 1 images |
Astragalus tenellus Pursh | 5 images |
Astrophytum asterias (Zucc.) Lem. | 295 images |
Athyrium filix-femina (L.) Roth | 4089 images |
Atriplex argentea Nutt. | 3 images |
Atriplex canescens (Pursh) Nutt. | 174 images |
Atriplex hortensis L. | 1151 images |
Atriplex lentiformis (Torr.) S.Watson | 13 images |
Atriplex micrantha Ledeb. | 66 images |
Atriplex obovata Moq. | 5 images |
Atriplex prostrata Boucher ex DC. | 1490 images |
Atriplex rosea L. | 47 images |
Atriplex semibaccata R.Br. | 115 images |
Aureolaria flava (L.) Farw. | 53 images |
Aureolaria grandiflora (Benth.) Pennell | 53 images |
Aureolaria pectinata (Nutt.) Pennell | 33 images |
Aureolaria virginica (L.) Pennell | 37 images |
Avena barbata Pott ex Link | 1341 images |
Avena fatua L. | 2846 images |
Avena sativa L. | 3912 images |
Avenella flexuosa (L.) Drejer | 532 images |
Avicennia germinans (L.) L. | 446 images |
Axonopus compressus (Sw.) P.Beauv. | 224 images |
Axonopus fissifolius (Raddi) Kuhlm. | 347 images |
Azolla caroliniana Willd. | 17 images |
Azolla filiculoides Lam. | 381 images |
Baccharis halimifolia L. | 1671 images |
Baccharis neglecta Britton | 95 images |
Baccharis pilularis DC. | 725 images |
Baccharis salicifolia (Ruiz & Pav.) Pers. | 28 images |
Baccharis salicina Torr. & A.Gray | 23 images |
Baccharis sarothroides A.Gray | 53 images |
Bacopa caroliniana (Walter) B.L.Rob. | 13 images |
Bacopa monnieri (L.) Wettst. | 216 images |
Bacopa repens (Sw.) Wettst. | 150 images |
Bacopa rotundifolia (Michx.) Wettst. | 6 images |
Baileya multiradiata Harv. & A.Gray | 56 images |
Baptisia alba (L.) R.Br. | 146 images |
Baptisia australis (L.) R.Br. | 1284 images |
Baptisia nuttalliana Small | 49 images |
Baptisia sphaerocarpa Nutt. | 192 images |
Barbarea orthoceras Ledeb. | 568 images |
Barbarea vulgaris W.T.Aiton | 1270 images |
Bartonia verna (Michx.) Raf. ex Barton | 2 images |
Bassia hyssopifolia (Pall.) Kuntze | 40 images |
Bassia prostrata (L.) Beck | 126 images |
Bassia scoparia (L.) A.J.Scott | 499 images |
Batis maritima L. | 54 images |
Bauhinia lunarioides A.Gray ex S.Watson | 32 images |
Bauhinia variegata L. | 2962 images |
Bebbia juncea (Benth.) Greene | 66 images |
Beckmannia syzigachne (Steud.) Fernald | 17 images |
Bellardia trixago (L.) All. | 3047 images |
Berberis fendleri A.Gray | 3 images |
Berberis fremontii Torr. | 13 images |
Berberis haematocarpa Wooton | 11 images |
Berberis repens Lindl. | 1835 images |
Berberis trifoliolata Moric. | 172 images |
Berberis vulgaris L. | 5649 images |
Berberis wilcoxii Kearney | 1 images |
Berchemia scandens (Hill) K.Koch | 5 images |
Berlandiera betonicifolia (Hook.) Small | 4 images |
Berlandiera lyrata Benth. | 76 images |
Berlandiera pumila Nutt. | 6 images |
Berteroa incana (L.) DC. | 5385 images |
Berula erecta (Huds.) Coville | 850 images |
Betula glandulosa Michx. | 10 images |
Betula nigra L. | 904 images |
Betula occidentalis Hook. | 43 images |
Bidens alba (L.) DC. | 290 images |
Bidens aristosa (Michx.) Britton | 158 images |
Bidens bipinnata L. | 1332 images |
Bidens cernua L. | 523 images |
Bidens frondosa L. | 3153 images |
Bidens pilosa L. | 3032 images |
Bidens tripartita L. | 1231 images |
Bigelowia nuttallii L.C.Anderson | 2 images |
Bignonia capreolata L. | 564 images |
Bistorta bistortoides (Pursh) Small | 1 images |
Bistorta vivipara (L.) Delarbre | 1460 images |
Blechnum appendiculatum Willd. | 13 images |
Blephilia hirsuta (Pursh) Benth. | 87 images |
Bletia mexicana (Greenm.) Sosa & M.W.Chase | 5 images |
Bletia spicata (Walter) Sosa & M.W.Chase | 18 images |
Bletia warnockii (Ames & Correll) Sosa & M.W.Chase | 13 images |
Blitum capitatum L. | 231 images |
Blitum virgatum L. | 135 images |
Boechera drummondii (A.Gray) Á.Löve & D.Löve | 3 images |
Boehmeria cylindrica (L.) Sw. | 642 images |
Boehmeria nivea (L.) Gaudich. | 215 images |
Boerhavia anisophylla Torr. | 4 images |
Boerhavia coccinea Mill. | 174 images |
Boerhavia coulteri (Hook.f.) S.Watson | 6 images |
Boerhavia erecta L. | 195 images |
Boerhavia spicata Choisy | 3 images |
Bolboschoenus fluviatilis (Torr.) Soják | 3 images |
Bolboschoenus maritimus (L.) Palla | 855 images |
Boltonia asteroides L'Hér. | 5 images |
Bonamia ovalifolia (Torr.) Hallier f. | 1 images |
Borrichia frutescens (L.) DC. | 148 images |
Bothriochloa barbinodis (Lag.) Herter | 486 images |
Bothriochloa bladhii (Retz.) S.T.Blake | 276 images |
Bothriochloa ischaemum (L.) Keng | 587 images |
Bothriochloa pertusa (L.) A.Camus | 3 images |
Bothriochloa saccharoides (Sw.) Rydb. | 3 images |
Botrychium dissectum Spreng. | 158 images |
Botrychium lanceolatum (S.G.Gmel.) Ångstr. | 8 images |
Botrychium lunaria (L.) Sw. | 585 images |
Botrychium virginianum (L.) Sw. | 224 images |
Bouchea spathulata Torr. | 2 images |
Bouteloua aristidoides (Kunth) Griseb. | 4 images |
Bouteloua barbata Lag. | 1 images |
Bouteloua curtipendula (Michx.) Torr. | 121 images |
Bouteloua dactyloides (Nutt.) Columbus | 2 images |
Bouteloua gracilis (Kunth) Lag. ex Griffiths | 64 images |
Bouteloua rigidiseta (Steud.) Hitchc. | 21 images |
Bouteloua simplex Lag. | 10 images |
Bouvardia ternifolia (Cav.) Schltdl. | 186 images |
Bowlesia incana Ruiz & Pav. | 335 images |
Bradburia pilosa (Nutt.) Semple | 10 images |
Brasenia schreberi J.F.Gmel. | 12 images |
Brassica juncea (L.) Czern. | 1570 images |
Brassica napus L. | 9946 images |
Brassica oleracea L. | 8764 images |
Brassica rapa L. | 4023 images |
Brickellia californica (Torr. & A.Gray) A.Gray | 44 images |
Brickellia coulteri A.Gray | 4 images |
Brickellia eupatorioides (L.) Shinners | 80 images |
Brickellia grandiflora (Hook.) Nutt. | 8 images |
Brickellia laciniata A.Gray | 3 images |
Brickellia oblongifolia Nutt. | 3 images |
Brickellia rusbyi A.Gray | 1 images |
Brickellia venosa B.L.Rob. | 1 images |
Briza maxima L. | 2074 images |
Briza minor L. | 341 images |
Bromus arizonicus (Shear) Stebbins | 1 images |
Bromus arvensis L. | 155 images |
Bromus carinatus Hook. & Arn. | 30 images |
Bromus catharticus Vahl | 442 images |
Bromus ciliatus L. | 1 images |
Bromus commutatus Schrad. | 103 images |
Bromus diandrus Roth | 1385 images |
Bromus hordeaceus L. | 3110 images |
Bromus inermis Leyss. | 835 images |
Bromus lanceolatus Roth | 76 images |
Bromus marginatus Nees ex Steud. | 1 images |
Bromus pubescens Muhl. ex Willd. | 5 images |
Bromus racemosus L. | 192 images |
Bromus rigidus Roth | 14 images |
Bromus rubens L. | 394 images |
Bromus secalinus L. | 248 images |
Bromus squarrosus L. | 127 images |
Bromus sterilis L. | 2918 images |
Bromus tectorum L. | 453 images |
Broussonetia papyrifera (L.) L'Hér. ex Vent. | 2779 images |
Brunnichia ovata (Walter) Shinners | 23 images |
Buddleja lindleyana Fortune | 98 images |
Buddleja marrubiifolia Benth. | 9 images |
Buddleja racemosa Torr. | 6 images |
Buddleja scordioides Kunth | 7 images |
Buddleja sessiliflora Kunth | 26 images |
Buglossoides arvensis (L.) I.M.Johnst. | 1184 images |
Bulbostylis barbata (Rottb.) C.B.Clarke | 13 images |
Bulbostylis capillaris (L.) Kunth ex C.B.Clarke | 2 images |
Bupleurum americanum J.M.Coult. & Rose | 1 images |
Bupleurum lancifolium Hornem. | 31 images |
Bupleurum rotundifolium L. | 541 images |
Burmannia capitata (Walter ex J.F.Gmel.) Mart. | 161 images |
Cabomba caroliniana A.Gray | 62 images |
Caesalpinia pulcherrima (L.) Sw. | 3369 images |
Cakile lanceolata (Willd.) O.E.Schulz | 2 images |
Calamagrostis canadensis (Michx.) P.Beauv. | 4 images |
Calandrinia ciliata (Ruiz & Pav.) DC. | 34 images |
Calibrachoa parviflora (Juss.) D'Arcy | 2843 images |
Calliandra conferta Benth. | 1 images |
Calliandra eriophylla Benth. | 230 images |
Calliandra humilis Benth. | 4 images |
Callicarpa americana L. | 3496 images |
Callirhoe involucrata (Torr. & A.Gray) A.Gray | 52 images |
Callisia repens (Jacq.) L. | 2992 images |
Callitriche heterophylla Pursh | 3 images |
Callitriche palustris L. | 402 images |
Callitriche terrestris Raf. | 5 images |
Calochortus aureus S.Watson | 31 images |
Calochortus flexuosus S.Watson | 49 images |
Calochortus gunnisonii S.Watson | 83 images |
Calochortus kennedyi Porter | 106 images |
Calochortus nuttallii Torr. | 54 images |
Calopogon tuberosus (L.) Britton, Sterns & Poggenb. | 78 images |
Calycoseris wrightii A.Gray | 20 images |
Calypso bulbosa (L.) Oakes | 451 images |
Calyptocarpus vialis Less. | 510 images |
Calyptridium monandrum Nutt. | 43 images |
Calystegia sepium (L.) R.Br. | 10309 images |
Calystegia silvatica (Kit.) Griseb. | 2540 images |
Camassia angusta (Engelm. & A.Gray) Blank. | 5 images |
Camassia scilloides (Raf.) Cory | 149 images |
Camelina microcarpa Andrz. ex DC. | 113 images |
Camelina rumelica Velen. | 18 images |
Camelina sativa (L.) Crantz | 229 images |
Campanula rapunculoides L. | 5923 images |
Campsis radicans (L.) Bureau | 7583 images |
Canavalia ensiformis (L.) DC. | 50 images |
Canavalia gladiata (Jacq.) DC. | 22 images |
Canavalia rosea (Sw.) DC. | 623 images |
Canna flaccida Salisb. | 52 images |
Canna glauca L. | 175 images |
Canna indica L. | 11410 images |
Cannabis sativa L. | 5754 images |
Caperonia palustris (L.) A.St.-Hil. | 63 images |
Capsella bursa-pastoris (L.) Medik. | 10172 images |
Caragana arborescens Lam. | 1852 images |
Cardamine bulbosa (Schreb. ex Muhl.) Britton, Sterns & Poggenb. | 27 images |
Cardamine concatenata (Michx.) O.Schwarz | 391 images |
Cardamine flexuosa With. | 5478 images |
Cardamine hirsuta L. | 4104 images |
Cardamine parviflora L. | 1969 images |
Cardamine pensylvanica Muhl. ex Willd. | 5 images |
Cardiospermum halicacabum L. | 1251 images |
Carduus nutans L. | 5079 images |
Carduus pycnocephalus L. | 4605 images |
Carduus tenuiflorus Curtis | 1452 images |
Carex albolutescens Schwein. | 5 images |
Carex amplifolia Boott | 1 images |
Carex aquatilis Wahlenb. | 21 images |
Carex atherodes Spreng. | 5 images |
Carex aurea Nutt. | 18 images |
Carex blanda Dewey | 39 images |
Carex bromoides Willd. | 4 images |
Carex brunnescens (Pers.) Poir. | 41 images |
Carex bushii Mack. | 5 images |
Carex buxbaumii Wahlenb. | 72 images |
Carex canescens L. | 138 images |
Carex capillaris L. | 52 images |
Carex capitata Sol. | 1 images |
Carex caroliniana Schwein. | 1 images |
Carex cephalophora Muhl. ex Willd. | 19 images |
Carex cherokeensis Schwein. | 19 images |
Carex comosa Boott | 44 images |
Carex crinita Lam. | 81 images |
Carex crus-corvi Shuttlew. ex Kunze | 1 images |
Carex decomposita Muhl. | 3 images |
Carex deweyana Schwein. | 7 images |
Carex diandra Schrank | 81 images |
Carex disperma Dewey | 3 images |
Carex ebenea Rydb. | 1 images |
Carex eburnea Boott | 27 images |
Carex echinata Murray | 312 images |
Carex emoryi Dewey | 8 images |
Carex festucacea Willd. | 1 images |
Carex filifolia Nutt. | 8 images |
Carex flaccosperma Dewey | 26 images |
Carex frankii Kunth | 24 images |
Carex garberi Fernald | 1 images |
Carex granularis Muhl. ex Willd. | 12 images |
Carex grisea Wahlenb. | 21 images |
Carex hirsutella Mack. | 14 images |
Carex hyalinolepis Steud. | 5 images |
Carex hystericina Muhl. ex Willd. | 32 images |
Carex inops L.H.Bailey | 1 images |
Carex intumescens Rudge | 121 images |
Carex jamesii Schwein. | 8 images |
Carex lachenalii Schkuhr | 46 images |
Carex laxiflora Lam. | 7 images |
Carex limosa L. | 123 images |
Carex longii Mack. | 13 images |
Carex lupuliformis Sartwell ex Dewey | 8 images |
Carex lupulina Muhl. ex Willd. | 89 images |
Carex lurida Wahlenb. | 122 images |
Carex luzulina Olney | 8 images |
Carex magellanica Lam. | 67 images |
Carex meadii Dewey | 6 images |
Carex mesochorea Mack. | 2 images |
Carex microdonta Torr. | 1 images |
Carex microglochin Wahlenb. | 77 images |
Carex microptera Mack. | 5 images |
Carex muehlenbergii Willd. | 3 images |
Carex myosuroides Vill. | 42 images |
Carex nigromarginata Schwein. | 3 images |
Carex obtusata Lilj. | 5 images |
Carex oederi Retz. | 318 images |
Carex perdentata S.D.Jones | 2 images |
Carex phaeocephala Piper | 1 images |
Carex planostachys Kunze | 5 images |
Carex polystachya Sw. ex Wahlenb. | 16 images |
Carex praticola Rydb. | 1 images |
Carex rosea Willd. | 1 images |
Carex rupestris All. | 51 images |
Carex simpliciuscula Wahlenb. | 10 images |
Carex sprengelii Dewey ex Spreng. | 7 images |
Carex stipata Muhl. ex Willd. | 63 images |
Carex stricta Lam. | 51 images |
Carex tenera Dewey | 8 images |
Carex tetrastachya Scheele | 6 images |
Carex tribuloides Wahlenb. | 21 images |
Carex typhina Michx. | 4 images |
Carex utriculata Boott | 8 images |
Carex vallicola Dewey | 2 images |
Carex vesicaria L. | 329 images |
Carex vulpinoidea Michx. | 138 images |
Carissa macrocarpa (Eckl.) A.DC. | 3056 images |
Carlowrightia arizonica A.Gray | 29 images |
Carlowrightia parviflora (Buckley) Wassh. | 2 images |
Carminatia tenuiflora DC. | 5 images |
Carphochaete bigelovii A.Gray | 6 images |
Carpinus caroliniana Walter | 480 images |
Carthamus lanatus L. | 1782 images |
Carthamus tinctorius L. | 1043 images |
Carum carvi L. | 1524 images |
Carya aquatica (F.Michx.) Nutt. ex Elliott | 14 images |
Carya cordiformis (Wangenh.) K.Koch | 96 images |
Carya glabra (Mill.) Sweet | 2373 images |
Carya illinoinensis (Wangenh.) K.Koch | 945 images |
Carya laciniosa (F.Michx.) G.Don | 28 images |
Carya myristiciformis (F.Michx.) Nutt. ex Elliott | 3 images |
Carya ovata (Mill.) K.Koch | 402 images |
Carya tomentosa (Lam.) Nutt. | 116 images |
Castanea pumila (L.) Mill. | 60 images |
Castilleja coccinea (L.) Spreng. | 109 images |
Castilleja exserta (A.Heller) T.I.Chuang & Heckard | 32 images |
Castilleja indivisa Engelm. | 330 images |
Castilleja integra A.Gray | 7 images |
Castilleja linariifolia Benth. | 94 images |
Castilleja miniata Douglas ex Benth. | 413 images |
Castilleja minor (A.Gray) A.Gray | 38 images |
Castilleja occidentalis Torr. | 24 images |
Castilleja patriotica Fernald | 11 images |
Castilleja rhexiifolia Rydb. | 11 images |
Castilleja scabrida Eastw. | 12 images |
Castilleja septentrionalis Lindl. | 28 images |
Castilleja sessiliflora Pursh | 14 images |
Castilleja tenuiflora Benth. | 100 images |
Catabrosa aquatica (L.) P.Beauv. | 74 images |
Catalpa bignonioides Walter | 15021 images |
Catalpa speciosa Teas | 720 images |
Catapodium rigidum (L.) C.E.Hubb. | 477 images |
Causonis japonica (Thunb.) Raf. | 32 images |
Cayaponia quinqueloba (Raf.) Shinners | 4 images |
Ceanothus americanus L. | 799 images |
Ceanothus fendleri A.Gray | 4 images |
Ceanothus herbaceus Raf. | 34 images |
Ceanothus integerrimus Hook. & Arn. | 19 images |
Celastrus scandens L. | 1051 images |
Celosia argentea L. | 10419 images |
Celtis laevigata Willd. | 626 images |
Celtis occidentalis L. | 4093 images |
Celtis pallida Torr. | 23 images |
Celtis tenuifolia Nutt. | 46 images |
Cenchrus × cupreus (Thorpe) Govaerts | 10 images |
Cenchrus americanus (L.) Morrone | 140 images |
Cenchrus caudatus (Schrad.) Kuntze | 61 images |
Cenchrus ciliaris L. | 510 images |
Cenchrus echinatus L. | 132 images |
Cenchrus longisetus M.C.Johnst. | 1129 images |
Cenchrus longispinus (Hack.) Fernald | 83 images |
Cenchrus nervosus (Nees) Kuntze | 1 images |
Cenchrus purpureus (Schumach.) Morrone | 504 images |
Cenchrus setaceus (Forssk.) Morrone | 2953 images |
Cenchrus setigerus Vahl | 1 images |
Cenchrus spinifex Cav. | 38 images |
Centaurea benedicta (L.) L. | 363 images |
Centaurea calcitrapa L. | 1871 images |
Centaurea cyanus L. | 17989 images |
Centaurea diffusa Lam. | 239 images |
Centaurea melitensis L. | 831 images |
Centaurea solstitialis L. | 1378 images |
Centaurea stoebe L. | 1075 images |
Centaurium pulchellum (Sw.) Hayek ex Hand.-Mazz., Stadlm., Janch. & Faltis | 63 images |
Centaurium tenuiflorum (Hoffmanns. & Link) Fritsch | 277 images |
Centella erecta (L.f.) Fernald | 20 images |
Centrosema virginianum (L.) Benth. | 522 images |
Cephalanthus occidentalis L. | 1468 images |
Cephalanthus salicifolius Humb. & Bonpl. | 4 images |
Cerastium beeringianum Cham. & Schltdl. | 1 images |
Cerastium brachypetalum Desp. ex Pers. | 68 images |
Cerastium glomeratum Thuill. | 4738 images |
Cerastium holosteoides Fr. | 13 images |
Cerastium nutans Raf. | 9 images |
Cerastium pumilum Curtis | 421 images |
Ceratophyllum demersum L. | 356 images |
Ceratopteris thalictroides (L.) Brongn. | 48 images |
Cercis canadensis L. | 6906 images |
Cercocarpus montanus Raf. | 198 images |
Cevallia sinuata Lag. | 8 images |
Chaenactis carphoclinia A.Gray | 26 images |
Chaenactis stevioides Hook. & Arn. | 68 images |
Chaenorhinum minus (L.) Lange | 787 images |
Chaerophyllum tainturieri Hook. & Arn. | 213 images |
Chaetopappa effusa (A.Gray) Shinners | 2 images |
Chamaechaenactis scaposa Rydb. | 4 images |
Chamaecrista fasciculata (Michx.) Greene | 934 images |
Chamaecrista flexuosa (L.) Greene | 50 images |
Chamaecrista nictitans (L.) Moench | 232 images |
Chamaecrista serpens (L.) Greene | 3 images |
Chamaesaracha crenata Rydb. | 1 images |
Chamaesaracha villosa Rydb. | 20 images |
Chaptalia texana Greene | 28 images |
Chaptalia tomentosa Vent. | 15 images |
Chasmanthium latifolium (Michx.) H.O.Yates | 479 images |
Chenopodiastrum murale (L.) S.Fuentes, Uotila & Borsch | 1478 images |
Chenopodium album L. | 15393 images |
Chenopodium berlandieri Moq. | 50 images |
Chenopodium pratericola Rydb. | 25 images |
Chenopodium standleyanum Aellen | 3 images |
Cherleria obtusiloba (Rydb.) A.J.Moore & Dillenb. | 19 images |
Chilopsis linearis (Cav.) Sweet | 483 images |
Chimaphila umbellata (L.) W.P.C.Barton | 150 images |
Chiococca alba (L.) Hitchc. | 171 images |
Chionanthus virginicus L. | 755 images |
Chionophila jamesii Benth. | 4 images |
Chloracantha spinosa (Benth.) G.L.Nesom | 5 images |
Chloris barbata Sw. | 273 images |
Chloris cucullata Bisch. | 6 images |
Chloris gayana Kunth | 134 images |
Chloris verticillata Nutt. | 32 images |
Chloris virgata Sw. | 72 images |
Choisya dumosa (Torr. & A.Gray) A.Gray | 43 images |
Chorispora tenella (Pall.) DC. | 224 images |
Chorizanthe brevicornu Torr. | 28 images |
Chromolaena ivifolia (L.) R.M.King & H.Rob. | 7 images |
Chromolaena odorata (L.) R.M.King & H.Rob. | 945 images |
Chrysactinia mexicana A.Gray | 50 images |
Chrysopsis mariana Elliott | 52 images |
Cichorium intybus L. | 20283 images |
Cicuta maculata L. | 375 images |
Cienfuegosia drummondii (A.Gray) Lewton | 2 images |
Cinna arundinacea L. | 17 images |
Cinnamomum camphora (L.) J.Presl | 1642 images |
Circaea alpina L. | 278 images |
Cirsium altissimum (L.) Spreng. | 307 images |
Cirsium arizonicum (A.Gray) Petr. | 13 images |
Cirsium arvense (L.) Scop. | 17666 images |
Cirsium eatonii B.L.Rob. | 7 images |
Cirsium horridulum Michx. | 264 images |
Cirsium muticum Michx. | 72 images |
Cirsium nuttallii DC. | 10 images |
Cirsium ochrocentrum A.Gray | 4 images |
Cirsium parryi Petr. | 5 images |
Cirsium scariosum Nutt. | 7 images |
Cirsium texanum Buckley | 236 images |
Cirsium undulatum Spreng. | 127 images |
Cirsium vulgare (Savi) Ten. | 21945 images |
Cissus trifoliata (L.) L. | 19 images |
Citrullus colocynthis (L.) Schrad. | 467 images |
Citrullus lanatus (Thunb.) Matsum. & Nakai | 2551 images |
Citrus trifoliata L. | 2676 images |
Cladium mariscoides (Muhl.) Torr. | 3 images |
Cladium mariscus (L.) Pohl | 324 images |
Claytonia lanceolata Pursh | 40 images |
Claytonia megarhiza (A.Gray) Parry ex S.Watson | 4 images |
Claytonia perfoliata Donn ex Willd. | 3454 images |
Claytonia rosea Rydb. | 9 images |
Claytonia virginica L. | 1234 images |
Clematis columbiana (Nutt.) Torr. & A.Gray | 6 images |
Clematis crispa L. | 108 images |
Clematis hirsutissima Pursh | 34 images |
Clematis ligusticifolia Nutt. | 94 images |
Clematis occidentalis (Hornem.) DC. | 62 images |
Clematis orientalis L. | 79 images |
Clematis pitcheri Torr. & A.Gray | 3 images |
Clematis terniflora DC. | 1066 images |
Clematis texensis Buckley | 92 images |
Clematis versicolor Small | 4 images |
Clematis virginiana L. | 1025 images |
Cleome aculeata L. | 48 images |
Cleome dodecandra L. | 151 images |
Cleome erosa (Nutt.) Eaton | 3 images |
Cleome gynandra L. | 482 images |
Cleome houtteana Schltdl. | 2712 images |
Cleome uniglandulosa Cav. | 19 images |
Cleomella lutea (Hook.) Roalson & J.C.Hall | 18 images |
Cleomella refracta (Engelm.) J.C.Hall & Roalson | 2 images |
Cleomella serrulata (Pursh) Roalson & J.C.Hall | 91 images |
Clerodendrum bungei Steud. | 1413 images |
Clerodendrum indicum (L.) Kuntze | 222 images |
Clethra alnifolia L. | 1033 images |
Clinopodium arkansanum (Nutt.) House | 1 images |
Clinopodium brownei (Sw.) Kuntze | 25 images |
Clinopodium glabellum (Michx.) Kuntze | 17 images |
Clinopodium vulgare L. | 8466 images |
Clitoria mariana L. | 143 images |
Cnidoscolus texanus (Müll.Arg.) Small | 1 images |
Coccinia grandis (L.) Voigt | 821 images |
Cocculus carolinus (L.) DC. | 367 images |
Cocculus diversifolius DC. | 1 images |
Cochemiea barbata (Engelm.) Doweld | 76 images |
Cochemiea conoidea (DC.) P.B.Breslin & Majure | 3 images |
Cochemiea grahamii (Engelm.) Doweld | 215 images |
Cochemiea viridiflora (Britton & Rose) P.B.Breslin & Majure | 1 images |
Cochemiea wrightii (Engelm.) Doweld | 177 images |
Cochlospermum wrightii (A.Gray) Byng & Christenh. | 2 images |
Coincya tournefortii (Gouan) Alcaraz, T.E.Díaz, Rivas Mart. & Sánchez-Gómez | 351 images |
Coleataenia anceps (Michx.) Soreng | 3 images |
Collinsia parviflora Douglas ex Lindl. | 48 images |
Collinsia verna Nutt. | 71 images |
Collinsia violacea Nutt. | 11 images |
Collomia linearis Nutt. | 40 images |
Colocasia esculenta (L.) Schott | 5499 images |
Cologania angustifolia Kunth | 12 images |
Colutea arborescens L. | 3802 images |
Comandra umbellata (L.) Nutt. | 103 images |
Comastoma tenellum (Rottb.) Toyok. | 84 images |
Commelina caroliniana Walter | 8 images |
Commelina communis L. | 2324 images |
Commelina dianthifolia Redouté | 16 images |
Commelina diffusa Burm.f. | 594 images |
Commelina erecta L. | 1907 images |
Commelina virginica L. | 56 images |
Condalia hookeri M.C.Johnst. | 1 images |
Condalia warnockii M.C.Johnst. | 3 images |
Conioselinum scopulorum (A.Gray) J.M.Coult. & Rose | 20 images |
Conium maculatum L. | 8269 images |
Conocarpus erectus L. | 797 images |
Conoclinium coelestinum DC. | 1210 images |
Conoclinium dissectum A.Gray | 1 images |
Conopholis alpina Liebm. | 52 images |
Conringia orientalis (L.) C.Presl | 4 images |
Convolvulus arvensis L. | 18431 images |
Convolvulus crenatifolius Ruiz & Pav. | 2 images |
Convolvulus equitans Benth. | 146 images |
Corallorhiza maculata Raf. | 329 images |
Corallorhiza odontorhiza (Willd.) Nutt. | 2 images |
Corallorhiza striata Lindl. | 137 images |
Corallorhiza trifida Châtel. | 200 images |
Corallorhiza wisteriana Conrad | 33 images |
Corchorus hirtus L. | 21 images |
Cordia boissieri A.DC. | 51 images |
Coreopsis gladiata Walter | 16 images |
Coreopsis grandiflora Hogg ex Sweet | 2930 images |
Coreopsis lanceolata L. | 3140 images |
Coreopsis nuecensis A.Heller | 15 images |
Coreopsis pubescens Elliott | 24 images |
Coreopsis tinctoria Nutt. | 3504 images |
Coreopsis tripteris L. | 190 images |
Coriandrum sativum L. | 3443 images |
Corispermum americanum (Nutt.) Nutt. | 2 images |
Cornus canadensis L. | 1553 images |
Cornus drummondii C.A.Mey. | 37 images |
Cornus florida L. | 6099 images |
Cornus foemina Mill. | 45 images |
Cornus racemosa Lam. | 578 images |
Cornus sericea L. | 7832 images |
Coronilla varia L. | 10924 images |
Cortaderia selloana (Schult. & Schult.f.) Asch. & Graebn. | 4243 images |
Corydalis aurea Willd. | 105 images |
Corydalis caseana A.Gray | 20 images |
Coryphantha echinus (Engelm.) Orcutt | 3 images |
Coryphantha macromeris (Engelm.) Britton & Rose | 17 images |
Coryphantha nickelsiae (K.Brandegee) Britton & Rose | 3 images |
Coryphantha ramillosa Cutak | 8 images |
Coryphantha sulcata (Engelm.) Britton & Rose | 7 images |
Cosmos bipinnatus Cav. | 14114 images |
Cosmos parviflorus (Jacq.) Pers. | 42 images |
Cosmos sulphureus Cav. | 4318 images |
Cotinus obovatus Raf. | 427 images |
Cotula australis Hook.f. | 248 images |
Crassula connata (Ruiz & Pav.) A.Berger | 4 images |
Crataegus chrysocarpa Ashe | 8 images |
Crataegus crus-galli L. | 815 images |
Crataegus macracantha Lodd. ex Loudon | 7 images |
Crataegus marshallii Eggl. | 88 images |
Crataegus mollis (Torr. & A.Gray) Scheele | 34 images |
Crataegus tracyi Ashe ex Eggl. | 7 images |
Crataegus uniflora Münchh. | 17 images |
Crataegus viridis L. | 34 images |
Crepis acuminata Nutt. | 43 images |
Crepis capillaris (L.) Wallr. | 10344 images |
Crepis intermedia A.Gray | 3 images |
Crepis occidentalis Nutt. | 45 images |
Crepis pulchra L. | 1117 images |
Crepis setosa Haller f. | 2933 images |
Crepis zacintha (L.) Loisel. | 7 images |
Cressa nudicaulis Griseb. | 2 images |
Cressa truxillensis Kunth | 21 images |
Crinum americanum L. | 354 images |
Crinum bulbispermum (Burm.f.) Milne-Redh. & Schweick. | 426 images |
Crocanthemum carolinianum (Walter) Spach | 5 images |
Crocanthemum georgianum (Chapm.) Barnhart | 6 images |
Crocanthemum rosmarinifolium (Pursh) Janch. | 2 images |
Croptilon divaricatum (Nutt.) Raf. | 9 images |
Crotalaria incana L. | 241 images |
Crotalaria pumila Ortega | 65 images |
Crotalaria sagittalis L. | 61 images |
Crotalaria spectabilis Roth | 172 images |
Croton argenteus L. | 29 images |
Croton argyranthemus Michx. | 3 images |
Croton capitatus Michx. | 224 images |
Croton ciliatoglandulifer Ortega | 28 images |
Croton cortesianus Kunth | 5 images |
Croton dioicus Cav. | 8 images |
Croton glandulosus L. | 86 images |
Croton humilis L. | 3 images |
Croton incanus Kunth | 9 images |
Croton monanthogynus Michx. | 123 images |
Croton punctatus Jacq. | 24 images |
Cruciata pedemontana (Bellardi) Ehrend. | 128 images |
Cryptantha minima Rydb. | 9 images |
Cryptantha pterocarya (Torr.) Greene | 39 images |
Cryptogramma acrostichoides R.Br. | 1 images |
Cryptotaenia canadensis (L.) DC. | 266 images |
Cucumis anguria L. | 190 images |
Cucumis dipsaceus Ehrenb. ex Spach | 137 images |
Cucumis melo L. | 5212 images |
Cucurbita foetidissima Kunth | 278 images |
Cucurbita moschata Duchesne | 3011 images |
Cucurbita pepo L. | 5645 images |
Cuminum cyminum L. | 59 images |
Cunila origanoides (L.) Britton | 52 images |
Cuphea carthagenensis (Jacq.) J.F.Macbr. | 97 images |
Cuphea glutinosa Cham. & Schltdl. | 39 images |
Cuphea viscosissima Jacq. | 64 images |
Cuscuta approximata Bab. | 40 images |
Cuscuta campestris Yunck. | 653 images |
Cuscuta cephalanthi Engelm. | 4 images |
Cuscuta compacta Juss. ex Choisy | 1 images |
Cuscuta epithymum (L.) L. | 1245 images |
Cuscuta exaltata Engelm. | 4 images |
Cuscuta glomerata Choisy | 2 images |
Cuscuta gronovii Willd. ex Schult. | 4 images |
Cuscuta indecora Choisy | 15 images |
Cuscuta pentagona Engelm. | 12 images |
Cuscuta polygonorum Engelm. | 2 images |
Cuscuta salina Engelm. | 78 images |
Cuscuta suaveolens Ser. | 1 images |
Cuscuta umbellata Kunth | 4 images |
Cyclachaena xanthiifolia (Nutt.) Fresen. | 120 images |
Cyclospermum leptophyllum (Pers.) Sprague ex Britton & P.Wilson | 422 images |
Cylindropuntia × viridiflora (Britton & Rose) F.M.Knuth | 1 images |
Cylindropuntia bigelovii (Engelm.) F.M.Knuth | 76 images |
Cylindropuntia davisii (Engelm. & J.M.Bigelow) F.M.Knuth | 4 images |
Cylindropuntia imbricata (Haw.) F.M.Knuth | 511 images |
Cylindropuntia kleiniae (DC.) F.M.Knuth | 8 images |
Cylindropuntia leptocaulis (DC.) F.M.Knuth | 44 images |
Cylindropuntia tunicata (Lehm.) F.M.Knuth | 192 images |
Cylindropuntia whipplei (Engelm. & J.M.Bigelow) F.M.Knuth | 29 images |
Cymopterus alpinus A.Gray | 35 images |
Cymopterus glomeratus (Nutt.) DC. | 2 images |
Cymopterus hallii (A.Gray) B.L.Turner | 15 images |
Cymopterus lemmonii (J.M.Coult. & Rose) Dorn | 76 images |
Cymopterus petraeus M.E.Jones | 15 images |
Cymopterus purpureus S.Watson | 3 images |
Cynanchum laeve (Michx.) Pers. | 228 images |
Cynanchum racemosum (Jacq.) Jacq. | 17 images |
Cynodon aethiopicus Clayton & J.R.Harlan | 1 images |
Cynodon dactylon (L.) Pers. | 2690 images |
Cynodon nlemfuensis Vanderyst | 32 images |
Cynoglossum creticum Mill. | 3786 images |
Cynoglossum officinale L. | 3390 images |
Cynosurus echinatus L. | 655 images |
Cyperus aggregatus (Willd.) Endl. | 52 images |
Cyperus albostriatus Schrad. | 10 images |
Cyperus alternifolius L. | 2236 images |
Cyperus articulatus L. | 33 images |
Cyperus bipartitus Torr. | 7 images |
Cyperus blepharoleptos Steud. | 3 images |
Cyperus brevifolius (Rottb.) Hassk. | 153 images |
Cyperus compressus L. | 46 images |
Cyperus difformis L. | 119 images |
Cyperus digitatus Roxb. | 3 images |
Cyperus entrerianus Boeckeler | 12 images |
Cyperus eragrostis Lam. | 2628 images |
Cyperus erythrorhizos Muhl. | 1 images |
Cyperus esculentus L. | 915 images |
Cyperus flavescens L. | 61 images |
Cyperus giganteus Vahl | 36 images |
Cyperus glomeratus L. | 52 images |
Cyperus granitophilus McVaugh | 1 images |
Cyperus haspan L. | 151 images |
Cyperus hermaphroditus (Jacq.) Standl. | 14 images |
Cyperus hortensis (Salzm. ex Steud.) Dorr | 139 images |
Cyperus iria L. | 50 images |
Cyperus laevigatus L. | 49 images |
Cyperus lanceolatus Poir. | 6 images |
Cyperus lupulinus (Biehler) Marcks | 2 images |
Cyperus macrostachyos Lam. | 5 images |
Cyperus ochraceus Vahl | 7 images |
Cyperus odoratus L. | 116 images |
Cyperus pallidicolor (Kük.) G.C.Tucker | 4 images |
Cyperus polystachyos Rottb. | 17 images |
Cyperus pseudovegetus Steud. | 5 images |
Cyperus reflexus Vahl | 3 images |
Cyperus rotundus L. | 1044 images |
Cyperus seslerioides Kunth | 4 images |
Cyperus sesquiflorus (Torr.) Mattf. & Kük. | 29 images |
Cyperus squarrosus L. | 27 images |
Cyperus strigosus L. | 355 images |
Cyperus subsquarrosus (Muhl.) Bauters | 160 images |
Cyperus surinamensis Rottb. | 23 images |
Cyperus virens Michx. | 13 images |
Cyphomeris crassifolia (Standl.) Standl. | 2 images |
Cypripedium kentuckiense C.F.Reed | 1 images |
Cypripedium parviflorum Salisb. | 315 images |
Cyrilla racemiflora L. | 75 images |
Cyrtomium falcatum (L.f.) C.Presl | 402 images |
Cystopteris bulbifera (L.) Bernh. | 97 images |
Cystopteris fragilis (L.) Bernh. | 1223 images |
Cystopteris tenuis (Michx.) Desv. | 3 images |
Dactylis glomerata L. | 11001 images |
Dactyloctenium aegyptium (L.) Willd. | 418 images |
Dactylorhiza viridis (L.) R.M.Bateman, Pridgeon & M.W.Chase | 941 images |
Dalea bicolor Humb. & Bonpl. ex Willd. | 4 images |
Dalea candida Willd. | 15 images |
Dalea compacta Spreng. | 18 images |
Dalea cylindriceps Barneby | 8 images |
Dalea formosa Torr. | 64 images |
Dalea jamesii (Torr.) Torr. & A.Gray | 2 images |
Dalea lanata Spreng. | 4 images |
Dalea leporina (Aiton) Bullock | 22 images |
Dalea multiflora (Nutt.) Shinners | 14 images |
Dalea pulchra Gentry | 8 images |
Dalea purpurea Vent. | 264 images |
Dalea versicolor Zucc. | 12 images |
Dalea villosa (Nutt.) Spreng. | 3 images |
Danthonia intermedia Vasey | 2 images |
Dasiphora fruticosa (L.) Rydb. | 7137 images |
Dasistoma macrophylla (Nutt.) Raf. | 60 images |
Dasylirion leiophyllum Engelm. ex Trel. | 42 images |
Dasylirion texanum Scheele | 80 images |
Dasylirion wheeleri S.Watson ex Rothr. | 155 images |
Datura ceratocaula Ortega | 10 images |
Datura ferox L. | 262 images |
Datura innoxia Mill. | 1701 images |
Datura metel L. | 601 images |
Datura stramonium L. | 15001 images |
Datura wrightii Regel | 1350 images |
Daucus carota L. | 27751 images |
Daucus pusillus Michx. | 210 images |
Dayia havardii (A.Gray) J.M.Porter | 2 images |
Decodon verticillatus (L.) Elliott | 57 images |
Delphinium ajacis L. | 6635 images |
Delphinium barbeyi (Huth) Huth | 16 images |
Delphinium carolinianum Walter | 161 images |
Delphinium geraniifolium Rydb. | 5 images |
Delphinium nuttallianum Pritz. ex Walp. | 176 images |
Delphinium scaposum Greene | 21 images |
Delphinium wootonii Rydb. | 5 images |
Dennstaedtia globulifera Hieron. | 3 images |
Dermatophyllum gypsophilum (B.L.Turner & A.M.Powell) Vincent | 1 images |
Dermatophyllum secundiflorum (Ortega) Gandhi & Reveal | 209 images |
Deschampsia cespitosa (L.) P.Beauv. | 577 images |
Deschampsia elongata (Hook.) Munro | 3 images |
Descurainia pinnata (Walter) Britton | 163 images |
Descurainia sophia (L.) Webb ex Prantl | 818 images |
Desmanthus illinoensis (Michx.) MacMill. ex B.L.Rob. & Fernald | 145 images |
Desmanthus velutinus Scheele | 9 images |
Desmanthus virgatus (L.) Willd. | 231 images |
Desmodium canadense (L.) DC. | 274 images |
Desmodium canescens (L.) DC. | 8 images |
Desmodium glabellum (Michx.) DC. | 7 images |
Desmodium incanum (Sw.) DC. | 137 images |
Desmodium lindheimeri Vail | 3 images |
Desmodium paniculatum (L.) DC. | 550 images |
Desmodium procumbens (Mill.) C.L.Hitchc. | 25 images |
Desmodium psilophyllum Schltdl. | 1 images |
Desmodium tortuosum (Sw.) DC. | 165 images |
Desmodium tweedyi Britton | 7 images |
Dianthera americana L. | 188 images |
Dianthus armeria L. | 2655 images |
Dianthus barbatus L. | 11534 images |
Diaperia prolifera (Nutt. ex DC.) Nutt. | 1 images |
Diaperia verna (Raf.) Morefield | 8 images |
Dichanthelium acuminatum (Sw.) Gould & C.A.Clark | 48 images |
Dichanthelium clandestinum (L.) Gould | 216 images |
Dichanthelium latifolium (L.) Harvill | 2 images |
Dichanthelium oligosanthes (Schult.) Gould | 32 images |
Dichanthelium sabulorum (Lam.) Gould & C.A.Clark | 1 images |
Dichanthelium scribnerianum (Nash) J.R.Thomas | 2 images |
Dichanthium annulatum (Forssk.) Stapf | 55 images |
Dichanthium aristatum (Poir.) C.E.Hubb. | 266 images |
Dichanthium sericeum (R.Br.) A.Camus | 5 images |
Dichondra argentea Willd. | 581 images |
Dichondra carolinensis Michx. | 226 images |
Dichondra micrantha Urb. | 1066 images |
Dichromanthus cinnabarinus (Lex.) Garay | 34 images |
Dicliptera brachiata Spreng. | 69 images |
Dicliptera resupinata (Vahl) Juss. | 29 images |
Dicliptera sexangularis (L.) Juss. | 12 images |
Dieteria asteroides Torr. | 5 images |
Dieteria canescens (Pursh) Nutt. | 71 images |
Digitaria bicornis (Lam.) Roem. & Schult. | 5 images |
Digitaria californica (Benth.) Henrard | 4 images |
Digitaria ciliaris (Retz.) Koeler | 216 images |
Digitaria eriantha Steud. | 24 images |
Digitaria filiformis (L.) Koeler | 7 images |
Digitaria insularis (L.) Mez ex Ekman | 31 images |
Digitaria ischaemum (Schreb.) Muhl. | 50 images |
Digitaria milanjiana (Rendle) Stapf | 3 images |
Digitaria sanguinalis (L.) Scop. | 2485 images |
Digitaria velutina (Forssk.) P.Beauv. | 52 images |
Digitaria violascens Link | 12 images |
Dimorphocarpa candicans (Raf.) Rollins | 12 images |
Dimorphocarpa wislizeni (Engelm.) Rollins | 7 images |
Diodia virginiana L. | 407 images |
Dioscorea polystachya Turcz. | 46 images |
Dioscorea villosa L. | 306 images |
Diospyros nigra (J.F.Gmel.) Perr. | 177 images |
Diospyros texana Scheele | 128 images |
Diospyros virginiana L. | 2483 images |
Diplachne fusca (L.) P.Beauv. ex Roem. & Schult. | 44 images |
Diplotaxis muralis (L.) DC. | 900 images |
Diplotaxis tenuifolia (L.) DC. | 5892 images |
Dipsacus fullonum L. | 15009 images |
Dipterostemon capitatus (Benth.) Rydb. | 473 images |
Distichlis littoralis (Engelm.) H.L.Bell & Columbus | 4 images |
Distichlis spicata (L.) Greene | 91 images |
Distimake dissectus (Jacq.) A.R.Simões & Staples | 264 images |
Distimake tuberosus (L.) A.R.Simões & Staples | 421 images |
Draba crassifolia Graham | 1 images |
Draba helleriana Greene | 8 images |
Draba nemorosa L. | 84 images |
Draba spectabilis Greene | 2 images |
Dracocephalum parviflorum Nutt. | 39 images |
Drosera brevifolia Pursh | 69 images |
Drosera capillaris Poir. | 142 images |
Drosera intermedia Hayne | 448 images |
Drymocallis arguta (Pursh) Rydb. | 13 images |
Dryopteris filix-mas (L.) Schott | 6911 images |
Dryopteris ludoviciana (Kunze) Small | 13 images |
Dulichium arundinaceum (L.) Britton | 43 images |
Duranta erecta L. | 8286 images |
Dyschoriste linearis (Torr. & A.Gray) Kuntze | 34 images |
Dysphania ambrosioides (L.) Mosyakin & Clemants | 1328 images |
Dysphania anthelmintica (L.) Mosyakin & Clemants | 1 images |
Dysphania atriplicifolia (Spreng.) G.Kadereit, Sukhor. & Uotila | 61 images |
Dysphania botrys (L.) Mosyakin & Clemants | 119 images |
Dysphania pumilio (R.Br.) Mosyakin & Clemants | 283 images |
Dyssodia papposa (Vent.) Hitchc. | 25 images |
Ebenopsis ebano (Berland.) Barneby & J.W.Grimes | 15 images |
Echeandia flavescens (Schult. & Schult.f.) Cruden | 18 images |
Echeandia texensis Cruden | 2 images |
Echeveria strictiflora A.Gray | 4 images |
Echinacea angustifolia DC. | 1806 images |
Echinacea pallida (Nutt.) Nutt. | 884 images |
Echinacea paradoxa Britton | 15 images |
Echinacea purpurea (L.) Moench | 7240 images |
Echinacea sanguinea Nutt. | 11 images |
Echinocactus horizonthalonius Lem. | 109 images |
Echinocactus texensis Hopffer | 220 images |
Echinocereus × roetteri (Engelm.) Engelm. ex Rümpler | 6 images |
Echinocereus arizonicus Rose ex Orcutt | 3 images |
Echinocereus chisoensis W.T.Marshall | 4 images |
Echinocereus coccineus Engelm. | 1129 images |
Echinocereus dasyacanthus Engelm. | 101 images |
Echinocereus enneacanthus Engelm. | 87 images |
Echinocereus fasciculatus (Engelm. ex B.D.Jacks.) L.D.Benson | 4 images |
Echinocereus fendleri (Engelm.) Sencke ex Haage | 9 images |
Echinocereus papillosus Linke ex C.F.Först. & Rümpler | 2 images |
Echinocereus pectinatus (Scheidw.) Engelm. | 1036 images |
Echinocereus pentalophus (DC.) Engelm. ex Haage | 5 images |
Echinocereus poselgeri Lem. | 133 images |
Echinocereus reichenbachii (Terscheck) Haage | 27 images |
Echinocereus rigidissimus (Engelm.) Hirscht | 7 images |
Echinocereus russanthus D.Weniger | 3 images |
Echinocereus santaritensis W.Blum & Rutow | 1 images |
Echinocereus stramineus (Engelm.) Haage | 1 images |
Echinocereus triglochidiatus Engelm. | 358 images |
Echinocereus viridiflorus Engelm. | 98 images |
Echinochloa colonum (L.) Link | 230 images |
Echinochloa crus-galli (L.) P.Beauv. | 2988 images |
Echinochloa frumentacea Link | 17 images |
Echinochloa muricata (P.Beauv.) Fernald | 45 images |
Echinochloa polystachya (Kunth) Hitchc. | 2 images |
Echinochloa walteri (Pursh) A.Heller | 1 images |
Echinocystis lobata (Michx.) Torr. & A.Gray | 867 images |
Echinodorus berteroi (Spreng.) Fassett | 12 images |
Echinopepon wrightii (A.Gray) S.Watson | 9 images |
Echium vulgare L. | 35988 images |
Eclipta prostrata (L.) L. | 1344 images |
Egletes viscosa (L.) Less. | 26 images |
Ehretia anacua (Terán & Berland.) I.M.Johnst. | 15 images |
Ehrharta calycina Sm. | 4 images |
Elaeagnus angustifolia L. | 5282 images |
Elaeagnus commutata Bernh. ex Rydb. | 254 images |
Elaeagnus pungens Thunb. | 5023 images |
Elatine rubella Rydb. | 6 images |
Elatine triandra Schkuhr | 43 images |
Eleocharis acicularis (L.) Roem. & Schult. | 60 images |
Eleocharis acutangula (Roxb.) Schult. | 10 images |
Eleocharis albida Torr. | 2 images |
Eleocharis atropurpurea (Retz.) J.Presl & C.Presl | 4 images |
Eleocharis baldwinii (Torr.) Chapm. | 3 images |
Eleocharis cellulosa Torr. | 1 images |
Eleocharis compressa Sull. | 16 images |
Eleocharis elongata Chapm. | 1 images |
Eleocharis erythropoda Steud. | 7 images |
Eleocharis exigua (Kunth) Roem. & Schult. | 2 images |
Eleocharis flavescens (Poir.) Urb. | 8 images |
Eleocharis interstincta (Vahl) Roem. & Schult. | 8 images |
Eleocharis macrostachya Britton | 11 images |
Eleocharis montana (Kunth) Roem. & Schult. | 1 images |
Eleocharis mutata (L.) Roem. & Schult. | 8 images |
Eleocharis obtusa (Willd.) Schult. | 37 images |
Eleocharis palustris (L.) Roem. & Schult. | 701 images |
Eleocharis quinqueflora (Hartmann) O.Schwarz | 55 images |
Eleocharis tortilis (Link) Schult. | 1 images |
Eleocharis tuberculosa (Michx.) Roem. & Schult. | 1 images |
Eleocharis uniglumis (Link) Schult. | 30 images |
Elephantopus carolinianus Raeusch. | 56 images |
Elephantopus tomentosus L. | 30 images |
Eleusine indica (L.) Gaertn. | 936 images |
Ellisia nyctelea (L.) L. | 58 images |
Elodea canadensis Michx. | 268 images |
Elodea densa (Planch.) Casp. | 126 images |
Elodea nuttallii (Planch.) H.St.John | 91 images |
Elymus canadensis L. | 145 images |
Elymus elymoides (Raf.) Swezey | 21 images |
Elymus glaucus Buckley | 13 images |
Elymus hystrix L. | 66 images |
Elymus repens (L.) Gould | 701 images |
Elymus villosus Muhl. ex Willd. | 7 images |
Elymus violaceus (Hornem.) J.Feilberg | 8 images |
Elymus virginicus L. | 58 images |
Elytraria imbricata (Vahl) Pers. | 38 images |
Emilia fosbergii Nicolson | 684 images |
Encelia virginensis A.Nelson | 29 images |
Enemion biternatum Raf. | 8 images |
Engelmannia peristenia (Raf.) Goodman & C.A.Lawson | 18 images |
Enneapogon desvauxii P.Beauv. | 18 images |
Ephedra viridis Coville | 121 images |
Epifagus virginiana (L.) Barton | 107 images |
Epilobium anagallidifolium Lam. | 202 images |
Epilobium angustifolium L. | 19304 images |
Epilobium brachycarpum C.Presl | 274 images |
Epilobium canum (Greene) P.H.Raven | 320 images |
Epilobium ciliatum Raf. | 4605 images |
Epilobium coloratum Biehler | 75 images |
Epilobium hallianum Hausskn. | 1 images |
Epilobium hornemannii Rchb. | 25 images |
Epilobium lactiflorum Hausskn. | 18 images |
Epilobium leptophyllum Raf. | 9 images |
Epilobium oregonense Hausskn. | 4 images |
Epilobium palustre L. | 491 images |
Epipactis gigantea Douglas | 173 images |
Epipactis helleborine (L.) Crantz | 7148 images |
Epithelantha bokei L.D.Benson | 6 images |
Epithelantha micromeris (Engelm.) F.A.C.Weber ex Britton & Rose | 62 images |
Equisetum × ferrissii Clute | 3 images |
Equisetum arvense L. | 6527 images |
Equisetum laevigatum A.Braun & Engelm. | 77 images |
Eragrostis airoides Nees | 6 images |
Eragrostis barrelieri Daveau | 61 images |
Eragrostis cilianensis (All.) Vignolo ex Janch. | 177 images |
Eragrostis ciliaris (L.) R.Br. | 5 images |
Eragrostis curvula (Schrad.) Nees | 67 images |
Eragrostis hypnoides (Lam.) Britton, Sterns & Poggenb. | 5 images |
Eragrostis japonica (Thunb.) Trin. | 5 images |
Eragrostis lehmanniana Nees | 4 images |
Eragrostis mexicana (Hornem.) Link | 27 images |
Eragrostis minor Host | 296 images |
Eragrostis pectinacea (Michx.) Nees | 27 images |
Eragrostis pilosa (L.) P.Beauv. | 58 images |
Eragrostis spectabilis (Pursh) Steud. | 187 images |
Eragrostis superba Peyr. | 284 images |
Eragrostis tenella (L.) P.Beauv. ex Roem. & Schult. | 21 images |
Erechtites hieraciifolius (L.) Raf. ex DC. | 1844 images |
Eremochloa ophiuroides (Munro) Hack. | 2 images |
Eremopyrum triticeum (Gaertn.) Nevski | 10 images |
Erianthus alopecuroides (L.) Elliott | 22 images |
Erianthus giganteus (Walter) P.Beauv. | 3 images |
Ericameria cuneata McClatchie | 1 images |
Erigeron annuus (L.) Desf | 656 images |
Erigeron bonariensis L. | 2509 images |
Erigeron caespitosus Nutt. | 5 images |
Erigeron canadensis L. | 14427 images |
Erigeron coulteri Porter & J.M.Coult. | 67 images |
Erigeron divaricatus Michx. | 24 images |
Erigeron divergens Torr. & A.Gray | 9 images |
Erigeron flagellaris A.Gray | 2 images |
Erigeron formosissimus Greene | 6 images |
Erigeron glabellus Nutt. | 116 images |
Erigeron grandiflorus Hook. | 1 images |
Erigeron lonchophyllus Hook. | 13 images |
Erigeron modestus A.Gray | 10 images |
Erigeron neomexicanus A.Gray | 2 images |
Erigeron philadelphicus L. | 3462 images |
Erigeron procumbens (Mill.) G.L.Nesom | 3 images |
Erigeron pulchellus Michx. | 245 images |
Erigeron rhizomatus Cronquist | 3 images |
Erigeron scopulinus G.L.Nesom & V.D.Roth | 7 images |
Erigeron speciosus (Lindl.) DC. | 1109 images |
Erigeron strigosus Muhl. ex Willd. | 5650 images |
Erigeron vetensis Rydb. | 5 images |
Eriocaulon decangulare L. | 7 images |
Eriocoma hymenoides (Roem. & Schult.) Rydb. | 1 images |
Eriocoma nelsonii (Scribn.) Romasch. | 1 images |
Eriogonum alatum Torr. | 9 images |
Eriogonum annuum Nutt. | 16 images |
Eriogonum cernuum Nutt. | 12 images |
Eriogonum corymbosum Benth. | 7 images |
Eriogonum deflexum Torr. | 22 images |
Eriogonum gypsophilum Wooton & Standl. | 2 images |
Eriogonum havardii S.Watson | 5 images |
Eriogonum hemipterum (Torr. & A.Gray) S.Stokes | 2 images |
Eriogonum inflatum Torr. | 34 images |
Eriogonum jamesii Benth. | 12 images |
Eriogonum lachnogynum Torr. ex Benth. | 6 images |
Eriogonum leptophyllum (Torr.) Wooton & Standl. | 1 images |
Eriogonum longifolium Nutt. | 8 images |
Eriogonum maculatum A.Heller | 42 images |
Eriogonum microtheca Nutt. | 24 images |
Eriogonum multiflorum Benth. | 16 images |
Eriogonum ovalifolium Nutt. | 153 images |
Eriogonum racemosum Nutt. | 13 images |
Eriogonum rotundifolium Benth. | 1 images |
Eriogonum shockleyi S.Watson | 7 images |
Eriogonum subreniforme S.Watson | 2 images |
Eriogonum tenellum Torr. | 4 images |
Eriogonum thurberi Torr. | 1 images |
Eriogonum trichopes Torr. | 14 images |
Eriogonum umbellatum Torr. | 418 images |
Eriogonum wrightii Torr. ex Benth. | 97 images |
Erioneuron pilosum (Buckley) Nash | 10 images |
Eriophorum angustifolium Honck. | 2562 images |
Eriophorum scheuchzeri Hoppe | 1028 images |
Erodium botrys (Cav.) Bertol. | 561 images |
Erodium cicutarium (L.) L'Hér. | 13273 images |
Eruca vesicaria (L.) Cav. | 4143 images |
Erucastrum gallicum (Willd.) O.E.Schulz | 327 images |
Eryngium heterophyllum Engelm. | 31 images |
Eryngium hookeri Walp. | 13 images |
Eryngium integrifolium Walter | 5 images |
Eryngium leavenworthii Torr. & A.Gray | 125 images |
Eryngium lemmonii J.M.Coult. & Rose | 18 images |
Eryngium prostratum Nutt. ex DC. | 16 images |
Eryngium yuccifolium Michx. | 491 images |
Erysimum asperum (Nutt.) DC. | 115 images |
Erysimum capitatum (Douglas) Greene | 15 images |
Erysimum cheiranthoides L. | 1207 images |
Erysimum repandum L. | 54 images |
Erythranthe floribunda (Lindl.) G.L.Nesom | 9 images |
Erythranthe guttata (DC.) G.L.Nesom | 892 images |
Erythranthe tilingii (Regel) G.L.Nesom | 6 images |
Erythrina flabelliformis Kearney | 92 images |
Erythrina herbacea L. | 345 images |
Erythronium albidum Nutt. | 208 images |
Erythronium grandiflorum Pursh | 159 images |
Erythronium rostratum W.Wolf | 13 images |
Erythrostemon gilliesii (Hook.) Klotzsch | 2726 images |
Erythrostemon mexicanus (Rose) Gagnon & G.P.Lewis | 14 images |
Eschscholzia californica Cham. | 14774 images |
Escobaria dasyacantha (Engelm.) Britton & Rose | 2 images |
Escobaria duncanii (Hester) Buxb. | 1 images |
Escobaria emskoetteriana (Quehl) Borg | 107 images |
Escobaria hesteri (Y.Wright) Buxb. | 14 images |
Escobaria minima (Baird) D.R.Hunt | 10 images |
Escobaria missouriensis (Sweet) D.R.Hunt | 18 images |
Escobaria sneedii Britton & Rose | 24 images |
Escobaria tuberculosa (Engelm.) Britton & Rose | 9 images |
Escobaria vivipara (Nutt.) Buxb. | 92 images |
Esenbeckia berlandieri Baill. | 25 images |
Eucnide bartonioides Zucc. | 6 images |
Euonymus americanus L. | 436 images |
Euonymus atropurpureus Jacq. | 119 images |
Euonymus fortunei (Turcz.) Hand.-Mazz. | 6580 images |
Eupatorium altissimum L. | 126 images |
Eupatorium capillifolium (Lam.) Small ex Porter & Britton | 544 images |
Eupatorium hyssopifolium L. | 52 images |
Eupatorium mohrii Greene | 4 images |
Eupatorium perfoliatum L. | 994 images |
Eupatorium rotundifolium L. | 36 images |
Eupatorium serotinum Michx. | 1033 images |
Euphorbia albomarginata Torr. & A.Gray | 34 images |
Euphorbia antisyphilitica Zucc. | 24 images |
Euphorbia corollata L. | 227 images |
Euphorbia cyparissias L. | 16648 images |
Euphorbia davidii Subils | 48 images |
Euphorbia dentata Michx. | 27 images |
Euphorbia glyptosperma Engelm. | 36 images |
Euphorbia graminea Jacq. | 206 images |
Euphorbia helioscopia L. | 8839 images |
Euphorbia heterophylla L. | 1062 images |
Euphorbia hirta L. | 1170 images |
Euphorbia hypericifolia L. | 1901 images |
Euphorbia hyssopifolia L. | 127 images |
Euphorbia lathyris L. | 9440 images |
Euphorbia maculata L. | 881 images |
Euphorbia marginata Pursh | 1499 images |
Euphorbia myrsinites L. | 2247 images |
Euphorbia nutans Lag. | 400 images |
Euphorbia parryi Engelm. | 2 images |
Euphorbia peplus L. | 7076 images |
Euphorbia prostrata Aiton | 2088 images |
Euphorbia radians Benth. | 1 images |
Euphorbia serpens Kunth | 556 images |
Euphorbia serrula Engelm. | 1 images |
Euphorbia virgata Waldst. & Kit. | 28 images |
Euphrosyne acerosa (Nutt.) Panero | 3 images |
Euploca confertifolia (Torr.) Feuillet & Halse | 1 images |
Euploca convolvulacea Nutt. | 4 images |
Euploca greggii (Torr.) Halse & Feuillet | 13 images |
Euploca procumbens (Mill.) Diane & Hilger | 26 images |
Euploca tenella (Torr.) Feuillet & Halse | 41 images |
Euploca torreyi (I.M.Johnst.) Halse & Feuillet | 3 images |
Eurybia glauca (Nutt.) G.L.Nesom | 2 images |
Eurybia hemispherica (Alexander) G.L.Nesom | 3 images |
Eustachys petraea (Sw.) Desv. | 2 images |
Eustachys retusa (Lag.) Kunth | 4 images |
Eustoma exaltatum (L.) Salisb. ex G.Don | 69 images |
Eustoma russellianum (Hook.) G.Don | 1807 images |
Euthamia graminifolia (L.) Nutt. | 805 images |
Euthamia gymnospermoides Greene | 13 images |
Euthamia occidentalis Nutt. | 43 images |
Eutrochium fistulosum (Barratt) E.E.Lamont | 497 images |
Eutrochium maculatum (L.) E.E.Lamont | 1637 images |
Evolvulus alsinoides (L.) L. | 736 images |
Evolvulus arizonicus A.Gray | 31 images |
Evolvulus sericeus Sw. | 72 images |
Eysenhardtia texana Scheele | 37 images |
Facelis retusa (Lam.) Sch.Bip. | 15 images |
Fagopyrum esculentum Moench | 6389 images |
Fagus grandifolia Ehrh. | 2472 images |
Fallopia baldschuanica (Regel) Holub | 1346 images |
Fallopia convolvulus (L.) Á.Löve | 1574 images |
Fallopia dumetorum (L.) Holub | 994 images |
Fallopia scandens (L.) Holub | 27 images |
Fallugia paradoxa (D.Don ex Tilloch & Taylor) Endl. ex Torr. | 41 images |
Fatoua villosa (Thunb.) Nakai | 344 images |
Ferocactus hamatacanthus (Muehlenpf.) Britton & Rose | 184 images |
Ferocactus uncinatus (Galeotti) Britton & Rose | 5 images |
Ferocactus wislizeni (Engelm.) Britton & Rose | 59 images |
Festuca arizonica Vasey | 3 images |
Festuca bromoides L. | 216 images |
Festuca idahoensis Elmer | 3 images |
Festuca microstachys Nutt. | 18 images |
Festuca myuros L. | 335 images |
Festuca octoflora Walter | 10 images |
Festuca rubra L. | 408 images |
Festuca trachyphylla (Hack.) Hack. | 20 images |
Ficus carica L. | 15588 images |
Filago californica Nutt. | 1 images |
Fimbristylis autumnalis (L.) Roem. & Schult. | 288 images |
Fimbristylis cymosa R.Br. | 19 images |
Fimbristylis dichotoma (L.) Vahl | 69 images |
Fimbristylis littoralis Gaudich. | 42 images |
Fimbristylis vahlii (Lam.) Link | 20 images |
Firmiana simplex (L.) W.Wight | 800 images |
Flaveria chlorifolia A.Gray | 8 images |
Flaveria trinervia (Spreng.) C.Mohr | 77 images |
Fleischmannia incarnata (Walter) R.M.King & H.Rob. | 15 images |
Fleischmannia sonorae (A.Gray) R.M.King & H.Rob. | 1 images |
Florestina tripteris DC. | 3 images |
Flourensia cernua DC. | 2 images |
Flyriella parryi (A.Gray) R.M.King & H.Rob. | 3 images |
Foeniculum vulgare Mill. | 11890 images |
Forestiera acuminata (Michx.) Poir. | 17 images |
Forestiera angustifolia Torr. | 11 images |
Forestiera ligustrina (Michx.) Poir. | 19 images |
Forestiera pubescens Nutt. | 104 images |
Fouquieria splendens Engelm. | 431 images |
Fragaria vesca L. | 12074 images |
Fragaria virginiana Mill. | 446 images |
Frangula californica (Eschsch.) A.Gray | 63 images |
Frangula caroliniana (Walter) A.Gray | 119 images |
Frasera speciosa Douglas ex Griseb. | 59 images |
Fraxinus americana L. | 5219 images |
Fraxinus anomala Torr. ex S.Watson | 8 images |
Fraxinus berlandieriana A.DC. | 1 images |
Fraxinus caroliniana Mill. | 21 images |
Fraxinus cuspidata Torr. | 12 images |
Fraxinus greggii A.Gray | 2 images |
Fraxinus pennsylvanica Marshall | 1488 images |
Fraxinus velutina Torr. | 131 images |
Fritillaria atropurpurea Nutt. | 82 images |
Froelichia floridana (Nutt.) Moq. | 53 images |
Froelichia gracilis (Hook.) Moq. | 35 images |
Fuirena pumila (Torr.) Spreng. | 1 images |
Fuirena simplex Vahl | 8 images |
Fuirena squarrosa Michx. | 1 images |
Fumaria densiflora DC. | 698 images |
Fumaria officinalis L. | 7767 images |
Fumaria parviflora Lam. | 565 images |
Funastrum clausum (Jacq.) Schltr. | 52 images |
Funastrum crispum (Benth.) Schltr. | 3 images |
Funastrum cynanchoides (Decne.) Schltr. | 38 images |
Gagea serotina (L.) Ker Gawl. | 128 images |
Gaillardia aestivalis (Walter) H.Rock | 19 images |
Gaillardia amblyodon J.Gay | 15 images |
Gaillardia pinnatifida Torr. | 74 images |
Gaillardia pulchella Foug. | 3507 images |
Gaillardia suavis (A.Gray & Engelm.) Britton & Rusby | 16 images |
Galactia erecta (Walter) Vail | 1 images |
Galactia volubilis (L.) Britton | 4 images |
Galinsoga parviflora Cav. | 3439 images |
Galium aparine L. | 13477 images |
Galium boreale L. | 1093 images |
Galium circaezans Michx. | 80 images |
Galium mexicanum Kunth | 3 images |
Galium obtusum Bigelow | 8 images |
Galium pilosum Aiton | 8 images |
Galium spurium L. | 31 images |
Galium tinctorium L. | 1 images |
Galium trifidum L. | 41 images |
Galium triflorum Michx. | 243 images |
Galium uncinulatum DC. | 1 images |
Galium virgatum Nutt. | 10 images |
Gamochaeta americana (Mill.) Wedd. | 306 images |
Gamochaeta antillana (Urb.) Anderb. | 39 images |
Gamochaeta calviceps (Fernald) Cabrera | 1 images |
Gamochaeta pensylvanica (Willd.) Cabrera | 79 images |
Gamochaeta purpurea (L.) Cabrera | 99 images |
Garrya flavescens S.Watson | 30 images |
Garrya wrightii Torr. | 3 images |
Gaultheria humifusa (Graham) Rydb. | 25 images |
Gazania linearis (Thunb.) Druce | 1973 images |
Gelsemium sempervirens (L.) J.St.-Hil. | 275 images |
Gentiana affinis Griseb. | 40 images |
Gentiana algida Pall. | 23 images |
Gentiana fremontii Torr. | 5 images |
Gentiana parryi Engelm. | 24 images |
Gentiana saponaria L. | 7 images |
Gentianella amarella (L.) Börner | 172 images |
Gentianopsis thermalis (Kuntze) Iltis | 10 images |
Geranium carolinianum L. | 1344 images |
Geranium dissectum L. | 6399 images |
Geranium pusillum L. | 9193 images |
Geranium richardsonii Fisch. & Trautv. | 27 images |
Geranium viscosissimum Fisch. & C.A.Mey. | 116 images |
Geum aleppicum Jacq. | 279 images |
Geum canadense Jacq. | 111 images |
Geum macrophyllum Willd. | 3993 images |
Geum rivale L. | 4109 images |
Geum rossii (R.Br.) Ser. | 29 images |
Geum triflorum Pursh | 110 images |
Gibasis pellucida (M.Martens & Galeotti) D.R.Hunt | 22 images |
Gilia capitata Sims | 569 images |
Gilia inconspicua (Sm.) Sweet | 2 images |
Gilia ophthalmoides Brand | 5 images |
Gilia sinuata Douglas ex Benth. | 23 images |
Giliastrum rigidulum (Benth.) Rydb. | 8 images |
Gillenia stipulata (Muhl. ex Willd.) Nutt. | 6 images |
Gladiolus communis L. | 4009 images |
Glaucium corniculatum (L.) Curtis | 124 images |
Gleditsia aquatica Marshall | 66 images |
Gleditsia triacanthos L. | 11784 images |
Glinus lotoides L. | 121 images |
Glinus radiatus (Ruiz & Pav.) Rohrb. | 1 images |
Glyceria grandis S.Watson | 1 images |
Glyceria septentrionalis Hitchc. | 2 images |
Glyceria striata (Lam.) Hitchc. | 45 images |
Glycyrrhiza lepidota Pursh | 85 images |
Gnaphalium exilifolium A.Nelson | 7 images |
Gnaphalium palustre Nutt. | 35 images |
Gomphrena caespitosa Torr. | 11 images |
Gomphrena globosa L. | 3006 images |
Gomphrena haageana Klotzsch | 215 images |
Gomphrena nealleyi J.M.Coult. & Fisher | 1 images |
Gomphrena nitida Rothr. | 5 images |
Gomphrena serrata L. | 361 images |
Gomphrena sonorae Torr. | 2 images |
Gomphrena vermicularis L. | 76 images |
Gonolobus suberosus (L.) R.Br. | 3 images |
Goodyera oblongifolia Raf. | 206 images |
Goodyera repens (L.) R.Br. | 390 images |
Gossypium hirsutum L. | 550 images |
Graptopetalum rusbyi (Greene) Rose | 48 images |
Gratiola neglecta Torr. | 20 images |
Gratiola virginiana L. | 8 images |
Grayia spinosa (Hook.) Moq. | 58 images |
Grindelia arizonica A.Gray | 3 images |
Grindelia ciliata (Nutt.) Spreng. | 9 images |
Grindelia grandiflora Hook. | 3 images |
Grindelia hirsutula Hook. & Arn. | 117 images |
Grindelia lanceolata Nutt. | 41 images |
Grindelia nuda Alph.Wood | 1 images |
Grindelia scabra Greene | 3 images |
Grindelia squarrosa (Pursh) Dunal | 332 images |
Grusonia clavata (Engelm.) H.Rob. | 4 images |
Grusonia emoryi (Engelm.) Pinkava | 2 images |
Grusonia schottii (Engelm.) H.Rob. | 6 images |
Guilleminea densa (Willd. ex Schult.) Moq. | 41 images |
Guilleminea lanuginosa (Poir.) Benth. & Hook.f. | 3 images |
Gutierrezia microcephala (DC.) A.Gray | 20 images |
Gutierrezia sarothrae (Pursh) Britton & Rusby | 77 images |
Gutierrezia sphaerocephala A.Gray | 2 images |
Gutierrezia texana (DC.) Torr. & A.Gray | 2 images |
Gutierrezia wrightii A.Gray | 2 images |
Gymnocarpium dryopteris (L.) Newman | 748 images |
Gymnocladus dioicus (L.) K.Koch | 593 images |
Gypsophila acutifolia Steven ex Spreng. | 9 images |
Gypsophila elegans M.Bieb. | 1311 images |
Gypsophila scorzonerifolia Ser. | 7 images |
Gypsophila vaccaria (L.) Sm. | 1584 images |
Habenaria quinqueseta (Michx.) Eaton | 2 images |
Habenaria repens Nutt. | 13 images |
Hackelia floribunda (Lehm.) I.M.Johnst. | 21 images |
Hackelia pinetorum (Greene ex A.Gray) I.M.Johnst. | 3 images |
Hackelia virginiana (L.) I.M.Johnst. | 175 images |
Hackelochloa granularis (L.) Kuntze | 9 images |
Halerpestes cymbalaria (Pursh) Greene | 11 images |
Halesia diptera L. | 43 images |
Halogeton glomeratus (M.Bieb.) Ledeb. | 6 images |
Hamamelis virginiana L. | 3111 images |
Haploesthes greggii A.Gray | 2 images |
Haplophyton crooksii (L.D.Benson) L.D.Benson | 9 images |
Hechtia glomerata Zucc. | 29 images |
Hechtia texensis S.Watson | 6 images |
Hedeoma acinoides Scheele | 5 images |
Hedeoma drummondii Benth. | 7 images |
Hedeoma hispida Pursh | 4 images |
Hedeoma nana (Torr.) Briq. | 11 images |
Hedera helix L. | 24170 images |
Hedypnois rhagadioloides (L.) F.W.Schmidt | 440 images |
Hedysarum boreale Nutt. | 15 images |
Heimia salicifolia Link | 26 images |
Helanthium tenellum (Mart. ex Schult.f.) J.G.Sm. | 3 images |
Helenium amarum (Raf.) H.Rock | 413 images |
Helenium autumnale L. | 1735 images |
Helenium drummondii H.Rock | 5 images |
Helenium elegans DC. | 11 images |
Helenium flexuosum Raf. | 70 images |
Helenium microcephalum DC. | 21 images |
Helianthella quinquenervis (Hook.) A.Gray | 3 images |
Helianthus × laetiflorus Pers. | 1902 images |
Helianthus angustifolius L. | 127 images |
Helianthus annuus L. | 16023 images |
Helianthus argophyllus Torr. & A.Gray | 1 images |
Helianthus ciliaris DC. | 18 images |
Helianthus debilis Nutt. | 518 images |
Helianthus grosseserratus M.Martens | 55 images |
Helianthus heterophyllus Nutt. | 7 images |
Helianthus hirsutus Raf. | 80 images |
Helianthus laciniatus A.Gray | 11 images |
Helianthus maximiliani Schrad. | 524 images |
Helianthus mollis Buc'hoz | 102 images |
Helianthus nuttallii Torr. & A.Gray | 12 images |
Helianthus occidentalis Riddell | 39 images |
Helianthus paradoxus Heiser | 5 images |
Helianthus pauciflorus Nutt. | 190 images |
Helianthus petiolaris Nutt. | 710 images |
Helianthus salicifolius A.Dietr. | 181 images |
Helianthus strumosus L. | 80 images |
Helianthus tuberosus L. | 8149 images |
Heliomeris longifolia Cockerell | 6 images |
Heliomeris multiflora Nutt. | 55 images |
Heliopsis helianthoides (L.) Sweet | 2777 images |
Heliopsis parvifolia A.Gray | 15 images |
Heliotropium amplexicaule Vahl | 334 images |
Heliotropium angiospermum Murray | 182 images |
Heliotropium curassavicum L. | 679 images |
Heliotropium europaeum L. | 5283 images |
Heliotropium indicum L. | 610 images |
Heliotropium molle (Torr.) I.M.Johnst. | 3 images |
Heliotropium verdcourtii Craven | 67 images |
Hemarthria altissima (Poir.) Stapf & C.E.Hubb. | 17 images |
Hemerocallis fulva (L.) L. | 11364 images |
Hemerocallis lilioasphodelus L. | 6363 images |
Hemionitis aemula (Maxon) Christenh. | 1 images |
Hemionitis artax Christenh. | 1 images |
Hemionitis aschenborniana (Klotzsch) Christenh. | 6 images |
Hemionitis atropurpurea (L.) Christenh. | 47 images |
Hemionitis bonariensis (Willd.) Christenh. | 15 images |
Hemionitis bradburyi (Hook.) Christenh. | 1 images |
Hemionitis eatonii (Baker) Christenh. | 2 images |
Hemionitis feei (T.Moore) Christenh. | 2 images |
Hemionitis glabella (Mett.) Christenh. | 13 images |
Hemionitis greggii (Mett.) Christenh. | 1 images |
Hemionitis incana (C.Presl) Christenh. | 3 images |
Hemionitis lanosa (Michx.) Christenh. | 18 images |
Hemionitis lendigera (Cav.) Christenh. | 7 images |
Hemionitis leucopoda (Link) Christenh. | 5 images |
Hemionitis limitanea (Maxon) Christenh. | 1 images |
Hemionitis lindheimeri (Hook.) Christenh. | 3 images |
Hemionitis neglecta (Maxon) Christenh. | 2 images |
Hemionitis sinuata (Lag.) Christenh. | 16 images |
Hemionitis ternifolia (Cav.) Christenh. | 34 images |
Hemionitis vooshvazool Christenh. | 1 images |
Hemionitis wrightiana (Hook.) Christenh. | 2 images |
Heracleum maximum W.Bartram | 768 images |
Herbertia lahue (Molina) Goldblatt | 145 images |
Herissantia crispa (L.) Brizicky | 37 images |
Hermannia texana A.Gray | 2 images |
Hesperaloe funifera (K.Koch) Trel. | 5 images |
Hesperaloe parviflora (Torr.) J.M.Coult. | 397 images |
Hesperis matronalis L. | 8776 images |
Hesperocyparis arizonica (Greene) Bartel | 5310 images |
Heteranthera dubia (Jacq.) MacMill. | 24 images |
Heteranthera limosa (Sw.) Willd. | 46 images |
Heteranthera reniformis Ruiz & Pav. | 114 images |
Heteropogon contortus (L.) P.Beauv. ex Roem. & Schult. | 193 images |
Heterosperma pinnatum Cav. | 7 images |
Heterotheca canescens (DC.) Shinners | 19 images |
Heterotheca pumila (Greene) Semple | 8 images |
Heterotheca subaxillaris (Lam.) Britton & Rusby | 298 images |
Heterotheca viscida (A.Gray) V.L.Harms | 8 images |
Heuchera parvifolia Nutt. | 5 images |
Heuchera pulchella Wooton & Standl. | 5 images |
Heuchera rubescens Torr. | 91 images |
Heuchera sanguinea Engelm. | 7424 images |
Hexasepalum teres (Walter) J.H.Kirkbr. | 116 images |
Hibiscus × sabei Weckesser | 1 images |
Hibiscus aculeatus Walter | 35 images |
Hibiscus coccineus Walter | 479 images |
Hibiscus coulteri Harv. ex A.Gray | 6 images |
Hibiscus denudatus Benth. | 46 images |
Hibiscus grandiflorus Michx. | 82 images |
Hibiscus laevis All. | 120 images |
Hibiscus martianus Zucc. | 43 images |
Hibiscus moscheutos L. | 5740 images |
Hibiscus radiatus Cav. | 8 images |
Hibiscus striatus Cav. | 28 images |
Hibiscus syriacus L. | 27785 images |
Hibiscus trionum L. | 1181 images |
Hieracium fendleri Sch.Bip. | 1 images |
Hieracium triste Willd. ex Spreng. | 18 images |
Hilaria rigida (Thurb.) Benth. ex Scribn. | 7 images |
Hippeastrum puniceum (Lam.) Voss | 712 images |
Hippuris vulgaris L. | 541 images |
Hoffmannseggia glauca (Ortega) Eifert | 104 images |
Holcus lanatus L. | 6569 images |
Holodiscus discolor (Pursh) Maxim. | 730 images |
Hopia obtusa (Kunth) Zuloaga & Morrone | 1 images |
Hordeum brachyantherum Nevski | 20 images |
Hordeum jubatum L. | 560 images |
Hordeum murinum L. | 7479 images |
Hordeum pusillum Nutt. | 56 images |
Hordeum vulgare L. | 8953 images |
Hornungia procumbens (L.) Hayek | 98 images |
Hottonia inflata Elliott | 4 images |
Houstonia longifolia Gaertn. | 45 images |
Houstonia micrantha (Shinners) Terrell | 40 images |
Houstonia purpurea L. | 123 images |
Houstonia pusilla Schoepf | 255 images |
Houstonia rosea (Raf.) Terrell | 10 images |
Houstonia rubra Cav. | 20 images |
Hovenia dulcis Thunb. | 247 images |
Hunnemannia fumariifolia Sweet | 81 images |
Hunzikeria texana (Torr.) D'Arcy | 4 images |
Hyacinthus orientalis L. | 10342 images |
Hydrilla verticillata (L.f.) Royle | 6 images |
Hydrocleys nymphoides (Humb. & Bonpl. ex Willd.) Buchenau | 49 images |
Hydrocotyle bonariensis Comm. ex Lam. | 180 images |
Hydrocotyle ranunculoides L.f. | 227 images |
Hydrocotyle umbellata L. | 60 images |
Hydrocotyle verticillata Thunb. | 636 images |
Hydrolea ovata Nutt. | 58 images |
Hydrolea spinosa L. | 42 images |
Hydrophyllum fendleri (A.Gray) A.Heller | 23 images |
Hygrophila costata Nees | 46 images |
Hygrophila polysperma (Roxb.) T.Anderson | 44 images |
Hylodesmum glutinosum (Muhl. ex Willd.) H.Ohashi & R.R.Mill | 101 images |
Hylodesmum nudiflorum (L.) H.Ohashi & R.R.Mill | 8 images |
Hymenocallis liriosme (Raf.) Shinners | 207 images |
Hymenocallis occidentalis (Leconte) Kunth | 13 images |
Hymenopappus artemisiifolius DC. | 67 images |
Hymenopappus filifolius Hook. | 55 images |
Hymenopappus scabiosaeus L'Hér. | 9 images |
Hymenopappus tenuifolius Pursh | 8 images |
Hymenothrix wislizeni A.Gray | 4 images |
Hymenothrix wrightii A.Gray | 15 images |
Hymenoxys hoopesii (A.Gray) Bierner | 57 images |
Hymenoxys odorata DC. | 14 images |
Hymenoxys richardsonii (Hook.) Cockerell | 6 images |
Hyoscyamus niger L. | 1538 images |
Hypericum cistifolium Lam. | 9 images |
Hypericum crux-andreae (L.) Crantz | 3 images |
Hypericum frondosum Michx. | 94 images |
Hypericum gentianoides (L.) Britton, Sterns & Poggenb. | 23 images |
Hypericum hypericoides (L.) Crantz | 275 images |
Hypericum mutilum L. | 120 images |
Hypericum perforatum L. | 17696 images |
Hypericum prolificum L. | 233 images |
Hypericum punctatum Lam. | 268 images |
Hypericum scouleri Hook. | 43 images |
Hypericum sphaerocarpum Michx. | 12 images |
Hypericum virginicum L. | 26 images |
Hypochaeris albiflora (Kuntze) Azevêdo-Gonç. & Matzenb. | 47 images |
Hypochaeris chillensis (Kunth) Britton | 13 images |
Hypochaeris glabra L. | 2845 images |
Hypoxis hirsuta (L.) Coville | 323 images |
Hyptis alata (Raf.) Shinners | 17 images |
Iberis umbellata L. | 1651 images |
Ibervillea lindheimeri (A.Gray) Greene | 3 images |
Ibervillea tenuisecta (A.Gray) Small | 8 images |
Ilex ambigua (Michx.) Torr. | 3 images |
Ilex cassine L. | 120 images |
Ilex coriacea (Pursh) Chapm. | 19 images |
Ilex decidua Walter | 336 images |
Ilex myrtifolia Walter | 4 images |
Ilex opaca Aiton | 1438 images |
Ilex verticillata (L.) A.Gray | 14 images |
Ilex vomitoria Aiton | 785 images |
Iliamna rivularis (Douglas) Greene | 25 images |
Impatiens capensis Meerb. | 2601 images |
Imperata brevifolia Vasey | 1 images |
Imperata cylindrica (L.) Raeusch. | 686 images |
Indigofera miniata Ortega | 78 images |
Indigofera suffruticosa Mill. | 85 images |
Iodanthus pinnatifidus (Michx.) Steud. | 55 images |
Ionactis linariifolia (L.) Greene | 26 images |
Ipheion uniflorum (Graham) Raf. | 2677 images |
Ipomoea alba L. | 643 images |
Ipomoea amnicola Morong | 13 images |
Ipomoea batatas (L.) Lam. | 4257 images |
Ipomoea cairica (L.) Sweet | 1568 images |
Ipomoea capillacea (Kunth) G.Don | 20 images |
Ipomoea carnea Jacq. | 998 images |
Ipomoea coccinea L. | 29 images |
Ipomoea cordatotriloba Dennst. | 430 images |
Ipomoea corymbosa (L.) Roth | 28 images |
Ipomoea costellata Torr. | 9 images |
Ipomoea cristulata Hallier f. | 54 images |
Ipomoea dumetorum Willd. | 4 images |
Ipomoea hederacea Jacq. | 607 images |
Ipomoea hederifolia L. | 736 images |
Ipomoea heptaphylla Sweet | 40 images |
Ipomoea imperati (Vahl) Griseb. | 246 images |
Ipomoea indica (Burm.) Merr. | 4815 images |
Ipomoea lacunosa L. | 369 images |
Ipomoea leptophylla Torr. | 35 images |
Ipomoea lindheimeri A.Gray | 24 images |
Ipomoea longifolia Benth. | 15 images |
Ipomoea muricata (L.) Jacq. | 5 images |
Ipomoea nil (L.) Roth | 553 images |
Ipomoea pes-caprae (L.) R.Br. | 323 images |
Ipomoea plummerae A.Gray | 20 images |
Ipomoea pubescens Lam. | 19 images |
Ipomoea purpurea (L.) Roth | 7943 images |
Ipomoea quamoclit L. | 743 images |
Ipomoea sagittata Poir. | 171 images |
Ipomoea setosa Ker Gawl. | 12 images |
Ipomoea shumardiana (Torr.) Shinners | 3 images |
Ipomoea tenuiloba Torr. | 14 images |
Ipomoea tricolor Cav. | 639 images |
Ipomoea triloba L. | 297 images |
Ipomoea violacea L. | 20 images |
Ipomopsis aggregata (Pursh) V.E.Grant | 1 images |
Ipomopsis congesta (Hook.) V.E.Grant | 42 images |
Ipomopsis longiflora (Torr.) V.E.Grant | 5 images |
Ipomopsis macombii (Torr. ex A.Gray) V.E.Grant | 13 images |
Ipomopsis multiflora (Nutt.) V.E.Grant | 2 images |
Ipomopsis pumila (Nutt.) V.E.Grant | 5 images |
Ipomopsis rubra (L.) Wherry | 151 images |
Iresine diffusa Humb. & Bonpl. ex Willd. | 3254 images |
Iresine rhizomatosa Standl. | 2 images |
Iris missouriensis Nutt. | 121 images |
Iris pseudacorus L. | 10469 images |
Iris virginica L. | 141 images |
Isatis tinctoria L. | 3982 images |
Isocarpha oppositifolia (L.) Cass. | 27 images |
Isolepis cernua (Vahl) Roem. & Schult. | 121 images |
Isolepis pseudosetacea (Daveau) Gand. | 6 images |
Itea virginica L. | 117 images |
Iva annua L. | 126 images |
Iva asperifolia Less. | 6 images |
Iva axillaris Pursh | 6 images |
Iva frutescens L. | 73 images |
Iva imbricata Walter | 16 images |
Jacquemontia tamnifolia (L.) Griseb. | 166 images |
Jamesia americana Torr. & A.Gray | 28 images |
Janusia gracilis A.Gray | 6 images |
Jatropha cathartica Terán & Berland. | 2 images |
Jatropha dioica Sessé | 11 images |
Jatropha macrorhiza Benth. | 6 images |
Johnstonella angustifolia (Torr.) Hasenstab & M.G.Simpson | 3 images |
Juglans major (Torr.) A.Heller | 55 images |
Juglans microcarpa Berland. | 11 images |
Juglans nigra L. | 8105 images |
Juncus alpinoarticulatus Chaix | 149 images |
Juncus articulatus L. | 820 images |
Juncus balticus Willd. | 30 images |
Juncus biglumis L. | 10 images |
Juncus brachycarpus Engelm. | 1 images |
Juncus bufonius L. | 539 images |
Juncus castaneus Sm. | 16 images |
Juncus dichotomus Elliott | 7 images |
Juncus diffusissimus Buckley | 2 images |
Juncus dudleyi Wiegand | 8 images |
Juncus effusus L. | 3903 images |
Juncus interior Wiegand | 3 images |
Juncus marginatus Rostk. | 4 images |
Juncus mertensianus Bong. | 8 images |
Juncus nodosus L. | 3 images |
Juncus parryi Engelm. | 1 images |
Juncus roemerianus Scheele | 3 images |
Juncus scirpoides Lam. | 3 images |
Juncus tenuis Willd. | 718 images |
Juncus torreyi Coville | 32 images |
Juncus triglumis L. | 91 images |
Juncus validus Coville | 2 images |
Juniperus ashei J.Buchholz | 6 images |
Juniperus communis L. | 9096 images |
Juniperus deppeana Steud. | 92 images |
Juniperus flaccida Schltdl. | 45 images |
Juniperus monosperma (Engelm.) Sarg. | 57 images |
Juniperus osteosperma (Torr.) Little | 417 images |
Juniperus pinchotii Sudw. | 27 images |
Juniperus scopulorum Sarg. | 564 images |
Juniperus virginiana L. | 4652 images |
Justicia brandegeeana Wassh. & L.B.Sm. | 1705 images |
Justicia lanceolata (Chapm.) Small | 4 images |
Justicia longii Hilsenb. | 7 images |
Justicia pilosella (Nees) Hilsenb. | 38 images |
Kalanchoe daigremontiana Raym.-Hamet & H.Perrier | 2648 images |
Kalanchoe delagoensis Eckl. & Zeyh. | 1772 images |
Kalanchoe fedtschenkoi Raym.-Hamet & H.Perrier | 783 images |
Kallstroemia californica (S.Watson) Vail | 13 images |
Kallstroemia grandiflora Torr. ex A.Gray | 62 images |
Kallstroemia maxima (L.) Hook. & Arn. | 53 images |
Kallstroemia parviflora Norton | 2 images |
Karwinskia humboldtiana (Willd. ex Schult.) Zucc. | 1 images |
Kelloggia galioides Torr. | 9 images |
Kickxia elatine (L.) Dumort. | 364 images |
Koeberlinia spinosa Zucc. | 61 images |
Koeleria macrantha (Ledeb.) Schult. | 140 images |
Koeleria spicata (L.) Barberá, Quintanar, Soreng & P.M.Peterson | 87 images |
Koelreuteria elegans (Seem.) A.C.Sm. | 33 images |
Koelreuteria paniculata Laxm. | 9776 images |
Kosteletzkya depressa (L.) O.J.Blanch., Fryxell & D.M.Bates | 12 images |
Kosteletzkya pentacarpos (L.) Ledeb. | 57 images |
Krameria erecta Willd. | 2 images |
Krameria lanceolata Torr. | 45 images |
Krameria ramosissima S.Watson | 2 images |
Krapovickasia physaloides (C.Presl) Fryxell | 1 images |
Krigia biflora (Walter) S.F.Blake | 60 images |
Krigia dandelion Nutt. | 59 images |
Krigia occidentalis Nutt. | 3 images |
Krigia virginica (L.) Willd. | 80 images |
Kummerowia stipulacea (Maxim.) Makino | 4 images |
Kummerowia striata (Thunb.) Schindl. | 174 images |
Lachnagrostis filiformis (G.Forst.) Trin. | 1 images |
Lactuca biennis (Moench) Fernald | 154 images |
Lactuca canadensis L. | 475 images |
Lactuca floridana (L.) Gaertn. | 677 images |
Lactuca graminifolia Michx. | 12 images |
Lactuca hirsuta Muhl. ex Nutt. | 24 images |
Lactuca saligna L. | 432 images |
Lactuca sativa L. | 5090 images |
Lactuca serriola L. | 13836 images |
Lagenaria siceraria (Molina) Standl. | 876 images |
Lagerstroemia indica L. | 16963 images |
Laguncularia racemosa (L.) C.F.Gaertn. | 249 images |
Lagurus ovatus L. | 3827 images |
Lamarckia aurea (L.) Moench | 580 images |
Lamium amplexicaule L. | 5260 images |
Lamium purpureum L. | 16380 images |
Lantana × strigocamara R.W.Sanders | 3 images |
Lantana achyranthifolia Desf. | 74 images |
Lantana canescens Kunth | 497 images |
Lantana montevidensis (Spreng.) Briq. | 1806 images |
Lantana velutina M.Martens & Galeotti | 21 images |
Lappula occidentalis (S.Watson) Greene | 6 images |
Lappula squarrosa (Retz.) Dumort. | 254 images |
Lapsana communis L. | 15299 images |
Larrea tridentata (DC.) Coville | 170 images |
Lathyrus brachycalyx Rydb. | 18 images |
Lathyrus hirsutus L. | 693 images |
Lathyrus lanszwertii Kellogg | 18 images |
Lathyrus latifolius L. | 10896 images |
Lathyrus venosus Muhl. ex Willd. | 20 images |
Launaea intybacea (Jacq.) Beauverd | 15 images |
Layia glandulosa (Hook.) Hook. & Arn. | 45 images |
Lechea minor L. | 2 images |
Lechea mucronata Raf. | 10 images |
Leersia hexandra Sw. | 56 images |
Leersia lenticularis Michx. | 1 images |
Leersia oryzoides (L.) Sw. | 284 images |
Leersia virginica Willd. | 53 images |
Leitneria floridana Chapm. | 7 images |
Lemna aequinoctialis Welw. | 62 images |
Lemna gibba L. | 76 images |
Lemna minor L. | 1015 images |
Lemna minuta Kunth | 116 images |
Lemna trisulca L. | 118 images |
Lemna turionifera Landolt | 22 images |
Lemna valdiviana Phil. | 7 images |
Lenophyllum texanum (Donn.Sm.) Rose | 18 images |
Leontodon saxatilis Lam. | 1405 images |
Leonurus cardiaca L. | 3918 images |
Leonurus japonicus Houtt. | 28 images |
Lepidium alyssoides A.Gray | 6 images |
Lepidium austrinum Small | 10 images |
Lepidium campestre (L.) W.T.Aiton | 26 images |
Lepidium crenatum (Greene) Rydb. | 3 images |
Lepidium densiflorum Schrad. | 68 images |
Lepidium didymum L. | 1586 images |
Lepidium draba L. | 8232 images |
Lepidium lasiocarpum Nutt. | 30 images |
Lepidium latifolium L. | 875 images |
Lepidium montanum Nutt. | 29 images |
Lepidium oblongum Small | 10 images |
Lepidium perfoliatum L. | 40 images |
Lepidium ruderale L. | 259 images |
Lepidium thurberi Wooton | 2 images |
Lepidium virginicum L. | 1961 images |
Leptochloa crinita (Lag.) P.M.Peterson & N.Snow | 6 images |
Leptochloa panicea (Retz.) Ohwi | 5 images |
Lespedeza cuneata (Dum.Cours.) G.Don | 143 images |
Lespedeza hirta (L.) Hornem. | 78 images |
Lespedeza procumbens Michx. | 11 images |
Lespedeza stuevei Nutt. | 6 images |
Lespedeza texana Britton | 4 images |
Lespedeza virginica (L.) Britton | 111 images |
Leucaena pulverulenta (Schltdl.) Benth. | 10 images |
Leucaena retusa Benth. | 18 images |
Leucanthemum vulgare Lam. | 11098 images |
Leucocrinum montanum Nutt. ex A.Gray | 77 images |
Leucojum aestivum L. | 2236 images |
Leucophyllum candidum I.M.Johnst. | 141 images |
Leucophyllum frutescens (Berland.) I.M.Johnst. | 617 images |
Leucospora multifida (Michx.) Nutt. | 32 images |
Leuzea repens (L.) D.J.N.Hind | 31 images |
Levisticum officinale W.D.J.Koch | 1751 images |
Lewisia nevadensis (A.Gray) B.L.Rob. | 36 images |
Lewisia pygmaea (A.Gray) B.L.Rob. | 26 images |
Leymus cinereus (Scribn. & Merr.) Á.Löve | 3 images |
Leymus racemosus (Lam.) Tzvelev | 17 images |
Leymus triticoides (Buckley) Pilg. | 19 images |
Liatris acidota Engelm. & Gray | 1 images |
Liatris aspera Michx. | 227 images |
Liatris elegans (Walter) Michx. | 21 images |
Liatris ligulistylis (A.Nelson) K.Schum. | 1 images |
Liatris punctata Hook. | 195 images |
Liatris pycnostachya Michx. | 743 images |
Liatris spicata (L.) Willd. | 2560 images |
Liatris squarrulosa Michx. | 7 images |
Ligusticum porteri J.M.Coult. & Rose | 1 images |
Ligustrum vulgare L. | 19942 images |
Lilium michauxii Poir. | 27 images |
Lilium philadelphicum L. | 121 images |
Limnophila sessiliflora (Vahl) Blume | 23 images |
Limnosciadium pinnatum (DC.) Mathias & Constance | 14 images |
Limonium carolinianum (Walter) Britton | 82 images |
Limosella aquatica L. | 65 images |
Linaria dalmatica (L.) Mill. | 222 images |
Linaria vulgaris Mill. | 18328 images |
Lindera benzoin (L.) Blume | 963 images |
Lindernia dubia (L.) Pennell | 232 images |
Lindheimera texana A.Gray & Engelm. | 42 images |
Linnaea borealis L. | 742 images |
Linum aristatum Engelm. | 5 images |
Linum grandiflorum Desf. | 2986 images |
Linum imbricatum (Raf.) B.D.Jacks. | 1 images |
Linum lewisii Pursh | 179 images |
Linum medium (Planch.) Britton | 24 images |
Linum neomexicanum Greene | 2 images |
Linum pratense (Norton) Small | 36 images |
Linum puberulum (Engelm.) A.Heller | 17 images |
Linum rigidum Pursh | 18 images |
Linum rupestre Engelm. ex A.Gray | 7 images |
Linum sulcatum Riddell | 4 images |
Linum usitatissimum L. | 5802 images |
Lippia alba (Mill.) N.E.Br. ex Britton & P.Wilson | 1089 images |
Lippia origanoides Kunth | 90 images |
Liquidambar styraciflua L. | 12010 images |
Lithophragma glabrum Nutt. | 53 images |
Lithophragma tenellum Nutt. | 5 images |
Lithospermum calycosum (J.F.Macbr.) I.M.Johnst. | 1 images |
Lithospermum canescens (Michx.) Lehm. | 152 images |
Lithospermum cobrense Greene | 13 images |
Lithospermum incisum Lehm. | 139 images |
Lithospermum molle (Michx.) Muhl. | 9 images |
Lithospermum multiflorum Torr. ex A.Gray | 12 images |
Lithospermum viride Greene | 2 images |
Lobelia cardinalis L. | 2162 images |
Lobelia fenestralis Cav. | 6 images |
Lobelia puberula Michx. | 98 images |
Lobelia siphilitica L. | 1339 images |
Lobelia spicata Lam. | 134 images |
Lobularia maritima (L.) Desv. | 13462 images |
Loeflingia squarrosa Nutt. | 2 images |
Loeselia greggii S.Watson | 3 images |
Loeseliastrum schottii (Torr.) Timbrook | 34 images |
Lolium arundinaceum (Schreb.) Darbysh. | 909 images |
Lolium multiflorum Lam. | 412 images |
Lolium perenne L. | 3455 images |
Lolium pratense (Huds.) Darbysh. | 806 images |
Lolium rigidum Gaudin | 212 images |
Lolium temulentum L. | 31 images |
Lomatium foeniculaceum (Nutt.) J.M.Coult. & Rose | 6 images |
Lomatium grayi (J.M.Coult. & Rose) J.M.Coult. & Rose | 31 images |
Lomatium linearifolium (S.Watson) J.F.Sm. & Mansfield | 3 images |
Lomatium nevadense (S.Watson) J.M.Coult. & Rose | 37 images |
Lomatium triternatum (Pursh) J.M.Coult. & Rose | 135 images |
Lomatogonium rotatum (L.) Fr. | 1 images |
Lonicera fragrantissima Lindl. & Paxton | 2043 images |
Lonicera involucrata (Richardson) Banks ex Spreng. | 874 images |
Lonicera japonica Thunb. | 10659 images |
Lonicera maackii (Rupr.) Maxim. | 2434 images |
Lonicera sempervirens L. | 1591 images |
Lonicera tatarica L. | 5650 images |
Lonicera utahensis S.Watson | 37 images |
Lophophora williamsii (Lem. ex Salm-Dyck) J.M.Coult. | 388 images |
Lotus corniculatus L. | 20020 images |
Ludwigia alternifolia L. | 216 images |
Ludwigia bonariensis (Micheli) H.Hara | 12 images |
Ludwigia decurrens Walter | 41 images |
Ludwigia glandulosa Walter | 4 images |
Ludwigia grandiflora (Michx.) Greuter & Burdet | 1302 images |
Ludwigia leptocarpa (Nutt.) H.Hara | 7 images |
Ludwigia linearis Walter | 9 images |
Ludwigia octovalvis (Jacq.) P.H.Raven | 707 images |
Ludwigia palustris (L.) Elliott | 312 images |
Ludwigia peploides (Kunth) P.H.Raven | 758 images |
Ludwigia peruviana (L.) H.Hara | 97 images |
Ludwigia repens J.R.Forst. | 8 images |
Ludwigia sphaerocarpa Elliott | 1 images |
Luffa aegyptiaca Mill. | 63 images |
Lupinus argenteus Pursh | 128 images |
Lupinus hillii Greene | 10 images |
Lupinus latifolius Lindl. ex J.Agardh | 2 images |
Lupinus neomexicanus Greene | 8 images |
Lupinus prunophilus M.E.Jones | 1 images |
Lupinus pusillus Pursh | 14 images |
Lupinus sericeus Pursh | 51 images |
Lupinus subcarnosus Hook. | 27 images |
Lupinus texensis Hook. | 389 images |
Luzula parviflora (Ehrh.) Desv. | 4 images |
Luzula spicata (L.) DC. | 67 images |
Lycium barbarum L. | 3079 images |
Lycium berlandieri Dunal | 15 images |
Lycium pallidum Miers | 19 images |
Lycopodiella appressa (Chapm.) Cranfill | 3 images |
Lycopodiella cernua (L.) Pic.Serm. | 207 images |
Lycopodium annotinum L. | 1024 images |
Lycopodium clavatum L. | 753 images |
Lycopus americanus Muhl. ex W.P.C.Barton | 7 images |
Lycopus asper Greene | 11 images |
Lycopus rubellus Moench | 8 images |
Lycopus virginicus L. | 40 images |
Lygodesmia grandiflora Torr. & A.Gray | 31 images |
Lygodesmia texana (Torr. & A.Gray) Greene ex Small | 1 images |
Lygodium japonicum (Thunb.) Sw. | 122 images |
Lyonia ligustrina (L.) DC. | 12 images |
Lyonia mariana (L.) D.Don | 7 images |
Lysimachia arvensis (L.) U.Manns & Anderb. | 11219 images |
Lysimachia ciliata L. | 986 images |
Lysimachia hybrida Michx. | 1 images |
Lysimachia lanceolata Walter | 30 images |
Lysimachia maritima (L.) Galasso, Banfi & Soldano | 473 images |
Lysimachia minima (L.) U.Manns & Anderb. | 18 images |
Lythrum alatum Pursh | 62 images |
Lythrum lineare L. | 6 images |
Lythrum salicaria L. | 25991 images |
Machaeranthera tagetina Greene | 4 images |
Machaeranthera tanacetifolia (Kunth) Nees | 122 images |
Maclura pomifera (Raf.) C.K.Schneid. | 4029 images |
Macroptilium atropurpureum (DC.) Urb. | 310 images |
Macrothelypteris torresiana (Gaudich.) Ching | 169 images |
Madia glomerata Hook. | 5 images |
Magnolia fraseri Walter | 125 images |
Magnolia grandiflora L. | 11342 images |
Magnolia virginiana L. | 3239 images |
Maianthemum racemosum (L.) Link | 1614 images |
Maianthemum stellatum (L.) Link | 588 images |
Malachra capitata (L.) L. | 16 images |
Malacothrix fendleri A.Gray | 7 images |
Malacothrix glabrata A.Gray | 96 images |
Malacothrix sonchoides (Nutt.) Torr. & A.Gray | 8 images |
Malaxis unifolia Michx. | 17 images |
Malpighia glabra L. | 764 images |
Malus domestica (Suckow) Borkh. | 8226 images |
Malus ioensis (Alph.Wood) Britton | 19 images |
Malva neglecta Wallr. | 5731 images |
Malva parviflora L. | 2901 images |
Malva sylvestris L. | 27096 images |
Malva trimestris (L.) Salisb. | 3417 images |
Malva verticillata L. | 248 images |
Malvastrum americanum (L.) Torr. | 23 images |
Malvastrum aurantiacum (Scheele) Walp. | 8 images |
Malvastrum coromandelianum (L.) Garcke | 805 images |
Malvaviscus arboreus Dill. ex Cav. | 56 images |
Malvaviscus penduliflorus Moc. & Sessé ex DC. | 321 images |
Malvella lepidota (A.Gray) Fryxell | 1 images |
Malvella leprosa (Ortega) Krapov. | 120 images |
Mammillaria heyderi Muehlenpf. | 35 images |
Mammillaria lasiacantha Engelm. | 258 images |
Mammillaria pottsii Scheer ex Salm-Dyck | 24 images |
Mammillaria prolifera (Mill.) Haw. | 1259 images |
Mammillaria sphaerica A.Dietr. | 108 images |
Mandevilla brachysiphon (Torr.) Pichon | 2 images |
Mandevilla macrosiphon (Torr.) Pichon | 8 images |
Manihot esculenta Crantz | 1178 images |
Manihot grahamii Hook. | 133 images |
Manihot walkerae Croizat | 1 images |
Marrubium vulgare L. | 4491 images |
Marshallia caespitosa Nutt. ex DC. | 20 images |
Marshallia graminifolia (Walter) Small | 4 images |
Marsilea macropoda Engelm. ex A.Braun | 4 images |
Marsilea mutica Mett. | 2 images |
Matelea biflora (Raf.) Woodson | 45 images |
Matelea carolinensis (Jacq.) Woodson | 61 images |
Matelea decipiens (Alexander) Woodson | 10 images |
Matelea edwardsensis Correll | 6 images |
Matelea parvifolia (Torr.) Woodson | 13 images |
Matelea reticulata (Engelm. ex A.Gray) Woodson | 55 images |
Matricaria chamomilla L. | 10345 images |
Matricaria discoidea DC. | 3869 images |
Matthiola incana (L.) W.T.Aiton | 198 images |
Matthiola longipetala (Vent.) DC. | 580 images |
Maurandella antirrhiniflora (Humb. & Bonpl. ex Willd.) Rothm. | 16 images |
Mayaca fluviatilis Aubl. | 33 images |
Mazus pumilus (Burm.f.) Steenis | 271 images |
Mecardonia acuminata (Walter) Small | 6 images |
Mecardonia procumbens (Mill.) Small | 212 images |
Medicago arabica (L.) Huds. | 3502 images |
Medicago lupulina L. | 7823 images |
Medicago minima (L.) Bartal. | 40 images |
Medicago orbicularis (L.) Bartal. | 796 images |
Medicago polymorpha L. | 2814 images |
Medicago sativa L. | 17346 images |
Megathyrsus maximus (Jacq.) B.K.Simon & S.W.L.Jacobs | 205 images |
Melampodium cinereum DC. | 10 images |
Melampodium leucanthum Torr. & A.Gray | 72 images |
Melanocalyx uniflora (L.) Morin | 2 images |
Melanthium virginicum L. | 9 images |
Melia azedarach L. | 11227 images |
Melica montezumae Piper | 1 images |
Melica mutica Walter | 20 images |
Melica nitens (Scribn.) Nutt. ex Piper | 3 images |
Melica porteri Scribn. | 1 images |
Melilotus albus Medik. | 8148 images |
Melilotus indicus (L.) All. | 2403 images |
Melilotus officinalis (L.) Lam. | 4619 images |
Melinis repens (Willd.) Zizka | 554 images |
Melochia corchorifolia L. | 92 images |
Melochia pyramidata L. | 148 images |
Melochia tomentosa L. | 105 images |
Melothria pendula L. | 532 images |
Menispermum canadense L. | 282 images |
Menodora heterophylla Moric. ex DC. | 10 images |
Mentha × dumetorum Schult. | 1 images |
Mentha × piperita L. | 3578 images |
Mentha × rotundifolia (L.) Huds. | 1359 images |
Mentha arvensis L. | 3390 images |
Mentha canadensis L. | 14 images |
Mentha spicata L. | 9206 images |
Mentha suaveolens Ehrh. | 11324 images |
Mentzelia decapetala (Sims) Urb. | 12 images |
Mentzelia montana (Davidson) Davidson | 3 images |
Mentzelia multiflora (Nutt.) A.Gray | 72 images |
Mentzelia oligosperma Nutt. ex Sims | 1 images |
Menyanthes trifoliata L. | 1971 images |
Mertensia franciscana A.Heller | 11 images |
Mertensia lanceolata (Pursh) DC. | 25 images |
Mertensia oblongifolia (Nutt.) G.Don | 26 images |
Meximalva filipes (A.Gray) Fryxell | 1 images |
Micranthemum umbrosum (J.F.Gmel.) S.F.Blake | 24 images |
Micranthes rhomboidea (Greene) Small | 16 images |
Micranthes texana (Buckley) Small | 10 images |
Microchloa kunthii Desv. | 80 images |
Microseris cuspidata (Pursh) Sch.Bip. | 15 images |
Microstegium vimineum (Trin.) A.Camus | 141 images |
Microsteris gracilis (Hook.) Greene | 20 images |
Mikania cordifolia (L.f.) Willd. | 74 images |
Mikania scandens (L.) Willd. | 293 images |
Milla biflora Cav. | 39 images |
Mimosa aculeaticarpa Ortega | 53 images |
Mimosa pigra L. | 360 images |
Mimosa quadrivalvis L. | 305 images |
Mimosa strigillosa Torr. & A.Gray | 4 images |
Mimulus alatus Aiton | 120 images |
Mimulus ringens L. | 509 images |
Mirabilis albida (Walter) Heimerl | 49 images |
Mirabilis gigantea (Standl.) Shinners | 3 images |
Mirabilis jalapa L. | 16244 images |
Mirabilis linearis (Pursh) Heimerl | 14 images |
Mirabilis longiflora L. | 345 images |
Mirabilis melanotricha (Standl.) Spellenb. | 16 images |
Mirabilis multiflora (Torr.) A.Gray | 158 images |
Mirabilis nyctaginea (Michx.) MacMill. | 267 images |
Mitchella repens L. | 986 images |
Mitracarpus hirtus (L.) DC. | 368 images |
Mitreola petiolata (J.F.Gmel.) Torr. & A.Gray | 2 images |
Modiola caroliniana (L.) G.Don | 227 images |
Moehringia lateriflora (L.) Fenzl | 43 images |
Moehringia macrophylla (Hook.) Fenzl | 30 images |
Mollugo verticillata L. | 353 images |
Moluccella laevis L. | 308 images |
Momordica balsamina L. | 252 images |
Monarda bradburiana Beck | 24 images |
Monarda citriodora Cerv. ex Lag. | 410 images |
Monarda fistulosa L. | 2743 images |
Monarda pectinata Nutt. | 14 images |
Monarda punctata L. | 415 images |
Monarda russeliana Nutt. ex Sims | 17 images |
Monardella odoratissima Benth. | 220 images |
Moneses uniflora (L.) A.Gray | 405 images |
Monnina wrightii A.Gray | 4 images |
Mononeuria nuttallii (Torr. & A.Gray) Dillenb. & Kadereit | 3 images |
Mononeuria patula (Michx.) Dillenb. & Kadereit | 27 images |
Monotropa hypopitys L. | 1316 images |
Monotropa uniflora L. | 1218 images |
Montia chamissoi (Ledeb. ex Spreng.) Greene | 6 images |
Moorochloa eruciformis (Sm.) Veldkamp | 11 images |
Mortonia scabrella A.Gray | 1 images |
Morus alba L. | 11969 images |
Morus rubra L. | 3416 images |
Muhlenbergia capillaris (Lam.) Trin. | 235 images |
Muhlenbergia emersleyi Vasey | 1 images |
Muhlenbergia fragilis Swallen | 1 images |
Muhlenbergia frondosa (Poir.) Fernald | 8 images |
Muhlenbergia glabrifloris Scribn. | 1 images |
Muhlenbergia lindheimeri Hitchc. | 30 images |
Muhlenbergia longiligula Hitchc. | 1 images |
Muhlenbergia mexicana (L.) Trin. | 9 images |
Muhlenbergia pauciflora Buckley | 7 images |
Muhlenbergia peruviana (P.Beauv.) Steud. | 5 images |
Muhlenbergia porteri Scribn. | 10 images |
Muhlenbergia pungens Thurb. | 1 images |
Muhlenbergia reverchonii Vasey & Scribn. | 2 images |
Muhlenbergia rigens (Benth.) Hitchc. | 24 images |
Muhlenbergia schreberi J.F.Gmel. | 13 images |
Muhlenbergia torreyi (Kunth) Hitchc. ex Bush | 2 images |
Muhlenbergia tricholepis (Torr.) P.M.Peterson | 3 images |
Murdannia nudiflora (L.) Brenan | 146 images |
Muscari botryoides (L.) Mill. | 5589 images |
Muscari neglectum Guss. ex Ten. | 10814 images |
Myagrum perfoliatum L. | 158 images |
Myosotis macrosperma Engelm. | 89 images |
Myosotis scorpioides L. | 6237 images |
Myosotis verna Nutt. | 12 images |
Myrica caroliniensis Mill. | 9 images |
Myrica cerifera L. | 618 images |
Myriophyllum aquaticum (Vell.) Verdc. | 616 images |
Myriophyllum heterophyllum Michx. | 10 images |
Myriophyllum sibiricum Kom. | 8 images |
Myriophyllum spicatum L. | 372 images |
Myriophyllum verticillatum L. | 72 images |
Myriopus volubilis (L.) Small | 5 images |
Myrtus communis L. | 9878 images |
Nabalus altissimus (L.) Hook. | 11 images |
Nahuatlea hypoleuca (DC.) V.A.Funk | 4 images |
Najas guadalupensis (Spreng.) Magnus | 14 images |
Najas marina L. | 139 images |
Nama havardii A.Gray | 14 images |
Nama jamaicensis L. | 2 images |
Nandina domestica Thunb. | 7655 images |
Nanogalactia heterophylla (Gillies ex Hook.) L.P.Queiroz | 6 images |
Narcissus × compressus Haw. | 6 images |
Narcissus × incomparabilis Mill. | 85 images |
Narcissus × odorus L. | 15 images |
Narcissus jonquilla L. | 2060 images |
Narcissus papyraceus Ker Gawl. | 1291 images |
Narcissus pseudonarcissus L. | 9528 images |
Narcissus tazetta L. | 3180 images |
Nassella tenuissima (Trin.) Barkworth | 1387 images |
Nasturtium microphyllum (Boenn.) Rchb. | 74 images |
Nasturtium officinale W.T.Aiton | 845 images |
Nectouxia formosa Kunth | 2 images |
Nelumbo lutea (Willd.) Pers. | 5 images |
Nelumbo nucifera Gaertn. | 2180 images |
Nemastylis geminiflora Nutt. | 42 images |
Nemophila aphylla (L.) Brummitt | 29 images |
Nemophila phacelioides W.P.C.Barton | 106 images |
Neottia bifolia (Raf.) Baumbach | 1 images |
Neottia cordata (L.) Rich. | 220 images |
Nepeta cataria L. | 4112 images |
Nephrolepis exaltata (L.) Schott | 3058 images |
Neptunia lutea (Leavenw.) Benth. | 15 images |
Neptunia plena (L.) Benth. | 116 images |
Neptunia pubescens Benth. | 22 images |
Nerisyrenia camporum (A.Gray) Greene | 8 images |
Nicotiana glauca Graham | 3806 images |
Nicotiana obtusifolia M.Martens & Galeotti | 1 images |
Nicotiana repanda Willd. ex Lehm. | 1 images |
Nicotiana rustica L. | 404 images |
Nissolia platycalyx S.Watson | 1 images |
Noccaea fendleri (A.Gray) Holub | 36 images |
Noccaea perfoliata (L.) Al-Shehbaz | 1243 images |
Nolina arenicola Correll | 2 images |
Nolina erumpens (Torr.) S.Watson | 1 images |
Nolina lindheimeriana (Scheele) S.Watson | 4 images |
Nolina microcarpa S.Watson | 12 images |
Nolina texana S.Watson | 25 images |
Nothoscordum bivalve (L.) Britton | 624 images |
Nuphar advena (Aiton) W.T.Aiton | 3 images |
Nuphar polysepala Engelm. | 4 images |
Nuttallanthus canadensis (L.) D.A.Sutton | 29 images |
Nyctaginia capitata Choisy | 46 images |
Nymphaea ampla (Salisb.) DC. | 160 images |
Nymphaea elegans Hook. | 28 images |
Nymphaea mexicana Zucc. | 217 images |
Nymphaea odorata Aiton | 457 images |
Nymphoides humboldtiana (Kunth) Kuntze | 3 images |
Nymphoides peltata (S.G.Gmel.) Kuntze | 522 images |
Nyssa aquatica L. | 56 images |
Nyssa biflora Walter | 5 images |
Nyssa sylvatica Marshall | 1133 images |
Obolaria virginica L. | 66 images |
Oenothera albicaulis Pursh | 64 images |
Oenothera biennis L. | 15405 images |
Oenothera brachycarpa A.Gray | 4 images |
Oenothera cespitosa Nutt. | 51 images |
Oenothera drummondii Hook. | 217 images |
Oenothera elata Kunth | 196 images |
Oenothera filiformis (Small) W.L.Wagner & Hoch | 4 images |
Oenothera flava (A.Nelson) Garrett | 41 images |
Oenothera grandis Smyth | 2 images |
Oenothera hartwegii Benth. | 98 images |
Oenothera havardii S.Watson | 2 images |
Oenothera kunthiana (Spach) Munz | 1 images |
Oenothera laciniata Hill | 585 images |
Oenothera lavandulifolia Torr. & A.Gray | 3 images |
Oenothera lindheimeri (Engelm. & A.Gray) W.L.Wagner & Hoch | 8266 images |
Oenothera linifolia Nutt. | 14 images |
Oenothera macrocarpa Nutt. | 749 images |
Oenothera neomexicana (Small) Munz | 21 images |
Oenothera pallida Lindl. | 40 images |
Oenothera primiveris A.Gray | 32 images |
Oenothera rhombipetala Nutt. | 8 images |
Oenothera rosea L'Hér. ex Aiton | 1467 images |
Oenothera speciosa Nutt. | 3383 images |
Oenothera suffrutescens (Moc. & Sessé ex Ser.) W.L.Wagner & Hoch | 99 images |
Oenothera suffulta (Engelm.) W.L.Wagner & Hoch | 10 images |
Oenothera tetraptera Cav. | 17 images |
Oenothera toumeyi (Small) Tidestr. | 2 images |
Oenothera triloba Nutt. | 85 images |
Oenothera villosa Thunb. | 112 images |
Oldenlandia corymbosa L. | 486 images |
Oligomeris linifolia (Vahl ex Hornem.) J.F.Macbr. | 12 images |
Onobrychis viciifolia Scop. | 7890 images |
Onoclea sensibilis L. | 1784 images |
Onopordum acanthium L. | 5518 images |
Operculina pinnatifida (Kunth) O'Donell | 8 images |
Ophioglossum crotalophoroides Walter | 4 images |
Ophioglossum engelmannii Prantl | 12 images |
Ophioglossum petiolatum Hook. | 10 images |
Ophioglossum polyphyllum A.Braun ex Seub. | 1 images |
Ophioglossum vulgatum L. | 371 images |
Oplismenus compositus (L.) P.Beauv. | 40 images |
Opuntia aciculata Griffiths | 122 images |
Opuntia atrispina Griffiths | 6 images |
Opuntia camanchica Engelm. & J.M.Bigelow | 2 images |
Opuntia cespitosa Raf. | 1 images |
Opuntia chlorotica Engelm. & J.M.Bigelow | 3 images |
Opuntia engelmannii Salm-Dyck ex Engelm. | 714 images |
Opuntia ficus-indica (L.) Mill. | 6880 images |
Opuntia fragilis (Nutt.) Haw. | 171 images |
Opuntia macrocentra Engelm. | 234 images |
Opuntia macrorhiza Engelm. | 78 images |
Opuntia orbiculata Salm-Dyck ex Pfeiff. | 83 images |
Opuntia phaeacantha Engelm. | 570 images |
Opuntia polyacantha Haw. | 524 images |
Opuntia rufida Engelm. | 60 images |
Opuntia stricta (Haw.) Haw. | 1630 images |
Opuntia strigil Engelm. | 4 images |
Oreocarya thyrsiflora Greene | 4 images |
Oreochrysum parryi Rydb. | 8 images |
Ornithogalum umbellatum L. | 8628 images |
Orobanche cooperi (A.Gray) A.Heller | 35 images |
Orobanche fasciculata Nutt. | 139 images |
Orobanche ludoviciana Nutt. | 11 images |
Orobanche minor Sm. | 2381 images |
Orobanche pinorum Geyer ex Hook. | 3 images |
Orobanche ramosa L. | 474 images |
Orobanche uniflora L. | 117 images |
Orontium aquaticum L. | 135 images |
Orthilia secunda (L.) House | 572 images |
Orthocarpus luteus Nutt. | 5 images |
Oryza sativa L. | 477 images |
Oryzopsis asperifolia Michx. | 4 images |
Osmorhiza berteroi DC. | 9 images |
Osmorhiza depauperata Phil. | 7 images |
Osmorhiza longistylis (Torr.) DC. | 379 images |
Osmunda spectabilis Willd. | 5 images |
Osmundastrum cinnamomeum (L.) C.Presl | 196 images |
Ostrya knowltonii Coville | 2 images |
Ostrya virginiana (Mill.) K.Koch | 398 images |
Oxalis articulata Savigny | 5550 images |
Oxalis corniculata L. | 9722 images |
Oxalis debilis Kunth | 3065 images |
Oxalis decaphylla Kunth | 8 images |
Oxalis dichondrifolia A.Gray | 4 images |
Oxalis dillenii Jacq. | 2693 images |
Oxalis drummondii A.Gray | 57 images |
Oxalis frutescens L. | 93 images |
Oxalis latifolia Kunth | 2768 images |
Oxalis stricta L. | 2724 images |
Oxalis violacea L. | 603 images |
Oxybasis glauca (L.) S.Fuentes, Uotila & Borsch | 288 images |
Oxybasis rubra (L.) S.Fuentes, Uotila & Borsch | 690 images |
Oxypolis fendleri (A.Gray) A.Heller | 7 images |
Oxypolis rigidior (L.) Raf. | 23 images |
Oxyria digyna (L.) Hill | 456 images |
Oxytropis deflexa (Pall.) DC. | 14 images |
Oxytropis lambertii Pursh | 65 images |
Oxytropis splendens Douglas | 26 images |
Packera cana (Hook.) W.A.Weber & Á.Löve | 1 images |
Packera dubia (Spreng.) Trock & Mabb. | 11 images |
Packera glabella (Poir.) C.Jeffrey | 264 images |
Paepalanthus anceps (Walter) Christenh. & Byng | 1 images |
Palafoxia hookeriana Torr. & A.Gray | 17 images |
Palafoxia reverchonii (Bush) Cory | 2 images |
Palafoxia rosea (Bush) Cory | 13 images |
Palafoxia sphacelata (Nutt. ex Torr.) Cory | 11 images |
Palafoxia texana DC. | 15 images |
Paliurus spina-christi Mill. | 2710 images |
Panicum amarum Elliott | 10 images |
Panicum capillare L. | 752 images |
Panicum coloratum L. | 62 images |
Panicum dichotomiflorum Michx. | 82 images |
Panicum hirsutum Sw. | 5 images |
Panicum miliaceum L. | 1368 images |
Panicum repens L. | 89 images |
Panicum trichoides Sw. | 29 images |
Panicum virgatum L. | 1052 images |
Papaver rhoeas L. | 12575 images |
Papaver somniferum L. | 11402 images |
Pappophorum mucronulatum Nees | 3 images |
Pappostipa speciosa (Trin. & Rupr.) Romasch. | 10 images |
Parapholis cylindrica (Willd.) Romero Zarco | 21 images |
Parapholis incurva (L.) C.E.Hubb. | 89 images |
Parentucellia viscosa (L.) Caruel | 1093 images |
Parietaria floridana Nutt. | 69 images |
Parietaria judaica L. | 5617 images |
Parietaria pensylvanica Muhl. ex Willd. | 224 images |
Parkinsonia aculeata L. | 2249 images |
Parnassia asarifolia Vent. | 8 images |
Parnassia fimbriata K.D.Koenig | 45 images |
Parnassia grandifolia DC. | 8 images |
Parnassia palustris L. | 4911 images |
Paronychia fastigiata (Raf.) Fernald | 7 images |
Paronychia pulvinata A.Gray | 1 images |
Paronychia sessiliflora Nutt. | 4 images |
Paronychia virginica Spreng. | 12 images |
Parthenium argentatum A.Gray | 7 images |
Parthenium confertum A.Gray | 4 images |
Parthenium hysterophorus L. | 1173 images |
Parthenium incanum Kunth | 31 images |
Parthenium integrifolium L. | 225 images |
Parthenocissus heptaphylla (Planch.) Britton | 5 images |
Parthenocissus quinquefolia (L.) Planch. | 17242 images |
Parthenocissus vitacea (Knerr) Hitchc. | 3 images |
Paspalum bifidum (Bertol.) Nash | 7 images |
Paspalum conjugatum P.J.Bergius | 32 images |
Paspalum dilatatum Poir. | 1295 images |
Paspalum distichum L. | 274 images |
Paspalum floridanum Michx. | 5 images |
Paspalum malacophyllum Trin. | 4 images |
Paspalum notatum Flüggé | 53 images |
Paspalum plicatulum Michx. | 31 images |
Paspalum repens P.J.Bergius | 168 images |
Paspalum scrobiculatum L. | 27 images |
Paspalum setaceum Michx. | 13 images |
Paspalum urvillei Steud. | 97 images |
Paspalum vaginatum Sw. | 42 images |
Paspalum virgatum L. | 39 images |
Passiflora affinis Engelm. | 5 images |
Passiflora ciliata Aiton | 21 images |
Passiflora filipes Benth. | 5 images |
Passiflora foetida L. | 1435 images |
Passiflora incarnata L. | 680 images |
Passiflora lutea L. | 313 images |
Passiflora pallida L. | 14 images |
Passiflora tenuiloba Engelm. | 7 images |
Pastinaca sativa L. | 7488 images |
Paulownia tomentosa (Thunb.) Steud. | 10039 images |
Pavonia hastata Cav. | 175 images |
Pavonia lasiopetala Scheele | 41 images |
Paxistima myrsinites (Pursh) Raf. | 87 images |
Pectiantia pentandra (Hook.) Rydb. | 23 images |
Pectis angustifolia Torr. | 9 images |
Pectis papposa Harv. & A.Gray | 10 images |
Pectis prostrata Cav. | 37 images |
Pectocarya setosa A.Gray | 21 images |
Pedicularis angustifolia Benth. | 5 images |
Pedicularis bracteosa Benth. | 51 images |
Pedicularis canadensis L. | 211 images |
Pedicularis centranthera A.Gray | 10 images |
Pedicularis crenulata Benth. | 6 images |
Pedicularis groenlandica Retz. | 131 images |
Pedicularis parryi A.Gray | 10 images |
Pedicularis procera A.Gray | 4 images |
Pedicularis racemosa Douglas ex Benth. | 43 images |
Pediocactus knowltonii L.D.Benson | 7 images |
Pediocactus simpsonii (Engelm.) Britton & Rose | 23 images |
Pediomelum rhombifolium (Torr. & A.Gray) Rydb. | 1 images |
Peganum harmala L. | 445 images |
Peltandra virginica (L.) Schott | 163 images |
Peniocereus greggii (Engelm.) Britton & Rose | 35 images |
Penstemon albidus Nutt. | 10 images |
Penstemon ambiguus Torr. | 23 images |
Penstemon angustifolius Nutt. ex Pursh | 10 images |
Penstemon baccharifolius Hook. | 26 images |
Penstemon barbatus (Cav.) Roth | 1208 images |
Penstemon buckleyi Pennell | 6 images |
Penstemon campanulatus (Cav.) Willd. | 2 images |
Penstemon cardinalis Wooton & Standl. | 2 images |
Penstemon cobaea Nutt. | 189 images |
Penstemon dasyphyllus A.Gray | 4 images |
Penstemon digitalis Nutt. ex Sims | 1475 images |
Penstemon eatonii A.Gray | 87 images |
Penstemon glaber Pursh | 20 images |
Penstemon gracilis Nutt. | 21 images |
Penstemon havardii A.Gray | 4 images |
Penstemon jamesii Benth. | 17 images |
Penstemon laxiflorus Pennell | 15 images |
Penstemon lentus Pennell | 8 images |
Penstemon linarioides A.Gray | 23 images |
Penstemon murrayanus Hook. | 10 images |
Penstemon palmeri A.Gray | 110 images |
Penstemon pinifolius Greene | 25 images |
Penstemon pseudospectabilis M.E.Jones | 1 images |
Penstemon rostriflorus Kellogg | 91 images |
Penstemon rydbergii A.Nelson | 79 images |
Penstemon secundiflorus Benth. | 63 images |
Penstemon strictus Benth. | 168 images |
Penstemon tenuis Small | 49 images |
Penstemon thurberi Torr. | 8 images |
Penstemon triflorus A.Heller | 5 images |
Penstemon virgatus A.Gray | 11 images |
Penstemon whippleanus A.Gray | 57 images |
Penthorum sedoides L. | 61 images |
Pentodon pentandrus (Schumach. & Thonn.) Vatke | 4 images |
Pentzia incana (Thunb.) Kuntze | 16 images |
Pereskia aculeata Mill. | 1214 images |
Pericome caudata A.Gray | 16 images |
Perideridia parishii (J.M.Coult. & Rose) A.Nelson & J.F.Macbr. | 18 images |
Perilla frutescens (L.) Britton | 2726 images |
Periploca graeca L. | 368 images |
Perityle microglossa Benth. | 8 images |
Persea borbonia (L.) Spreng. | 70 images |
Persea palustris (Raf.) Sarg. | 3 images |
Persicaria amphibia (L.) Delarbre | 517 images |
Persicaria capitata (Buch.-Ham. ex D.Don) H.Gross | 2318 images |
Persicaria glabra (Willd.) M.Gómez | 20 images |
Persicaria hispida (Kunth) M.Gómez | 5 images |
Persicaria hydropiper (L.) Delarbre | 822 images |
Persicaria hydropiperoides (Michx.) Small | 20 images |
Persicaria lapathifolia (L.) Delarbre | 3882 images |
Persicaria longiseta (Bruijn) Kitag. | 7 images |
Persicaria maculosa Gray | 10141 images |
Persicaria meisneriana (Cham. & Schltdl.) M.Gómez | 2 images |
Persicaria orientalis (L.) Spach | 3117 images |
Persicaria pensylvanica (L.) M.Gómez | 80 images |
Persicaria punctata (Elliott) Small | 105 images |
Persicaria sagittata (L.) H.Gross | 33 images |
Persicaria virginiana (L.) Gaertn. | 1234 images |
Petiveria alliacea L. | 622 images |
Petradoria pumila (Nutt.) Greene | 11 images |
Petrophytum caespitosum (Nutt.) Rydb. | 23 images |
Petrorhagia dubia (Raf.) G.López & Romo | 65 images |
Petroselinum crispum (Mill.) Fuss | 2812 images |
Phacelia affinis A.Gray | 11 images |
Phacelia alba Rydb. | 1 images |
Phacelia cephalotes A.Gray | 32 images |
Phacelia coerulea Greene | 12 images |
Phacelia congesta Hook. | 74 images |
Phacelia crenulata Torr. ex S.Watson | 147 images |
Phacelia cryptantha Greene | 32 images |
Phacelia heterophylla Pursh | 58 images |
Phacelia hirsuta Nutt. | 13 images |
Phacelia integrifolia Torr. | 20 images |
Phacelia ivesiana Torr. | 4 images |
Phacelia neomexicana Thurb. ex Torr. | 5 images |
Phacelia rupestris Greene | 3 images |
Phacelia sericea (Graham) A.Gray | 48 images |
Phalaris angusta Nees ex Trin. | 6 images |
Phalaris aquatica L. | 258 images |
Phalaris arundinacea L. | 3305 images |
Phalaris brachystachys Link | 9 images |
Phalaris canariensis L. | 541 images |
Phalaris minor Retz. | 178 images |
Phanerophlebia umbonata Underw. | 26 images |
Phaseolus pedicellatus Benth. | 5 images |
Phaseolus polystachios (L.) Britton, Sterns & Poggenb. | 3 images |
Phaulothamnus spinescens A.Gray | 3 images |
Phegopteris hexagonoptera (Michx.) Fée | 1 images |
Phemeranthus brevicaulis (S.Watson) Kiger | 3 images |
Phemeranthus brevifolius (Torr.) Hershk. | 2 images |
Phemeranthus calycinus (Engelm.) Kiger | 15 images |
Phemeranthus parviflorus (Nutt.) Kiger | 7 images |
Phemeranthus rugospermus (Holz.) Kiger | 2 images |
Philadelphus microphyllus A.Gray | 20 images |
Philadelphus pubescens Loisel. | 1534 images |
Philadelphus serpyllifolius A.Gray | 1 images |
Philadelphus texensis S.Y.Hu | 3 images |
Phleum alpinum L. | 381 images |
Phleum pratense L. | 3255 images |
Phlox austromontana Coville | 62 images |
Phlox caespitosa Nutt. | 25 images |
Phlox carolina L. | 48 images |
Phlox condensata (A.Gray) E.E.Nelson | 7 images |
Phlox cuspidata Scheele | 10 images |
Phlox divaricata L. | 1066 images |
Phlox drummondii Hook. | 1570 images |
Phlox hoodii Richardson | 81 images |
Phlox longifolia Nutt. | 112 images |
Phlox mesoleuca Greene | 24 images |
Phlox nana Nutt. | 10 images |
Phlox pilosa L. | 198 images |
Phlox pulvinata (Wherry) Cronquist | 16 images |
Phlox roemeriana Scheele | 17 images |
Phoradendron bolleanum (Seem.) Eichler | 2 images |
Phoradendron californicum Nutt. | 132 images |
Phoradendron leucarpum (Raf.) Reveal & M.C.Johnst. | 6 images |
Phoradendron macrophyllum (Engelm.) Cockerell | 4 images |
Photinia serratifolia (Desf.) Kalkman | 3027 images |
Phragmites australis (Cav.) Trin. ex Steud. | 7007 images |
Phryma leptostachya L. | 177 images |
Phyla cuneifolia (Torr.) Greene | 1 images |
Phyla lanceolata (Michx.) Greene | 135 images |
Phyla nodiflora (L.) Greene | 1738 images |
Phyllanthus caroliniensis Walter | 21 images |
Phyllanthus niruri L. | 218 images |
Phyllanthus polygonoides Nutt. ex Spreng. | 30 images |
Phyllanthus tenellus Roxb. | 819 images |
Phyllanthus urinaria L. | 523 images |
Phyllostachys aurea (André) Rivière & C.Rivière | 1555 images |
Physalis acutifolia (Miers) Sandwith | 3 images |
Physalis angulata L. | 1109 images |
Physalis crassifolia Benth. | 94 images |
Physalis heterophylla Nees | 152 images |
Physalis ixocarpa Brot. ex Hornem. | 26 images |
Physalis longifolia Nutt. | 265 images |
Physalis mollis Nutt. | 9 images |
Physalis pubescens L. | 215 images |
Physalis pumila Nutt. | 10 images |
Physalis virginiana Mill. | 3 images |
Physaria acutifolia Rydb. | 3 images |
Physaria fendleri (A.Gray) O'Kane & Al-Shehbaz | 1 images |
Physocarpus monogynus (Torr.) J.M.Coult. | 2 images |
Physostegia angustifolia Fernald | 11 images |
Physostegia correllii (Lundell) Shinners | 4 images |
Physostegia digitalis Small | 4 images |
Physostegia virginiana (L.) Benth. | 2434 images |
Phytolacca americana L. | 19992 images |
Picea engelmannii Parry ex Engelm. | 224 images |
Picea pungens Engelm. | 5796 images |
Picradeniopsis absinthifolia (Benth.) B.G.Baldwin | 8 images |
Picradeniopsis multiflora (Hook. & Arn.) B.G.Baldwin | 23 images |
Pilea pumila A.Gray | 573 images |
Pilostyles thurberi A.Gray | 25 images |
Pilularia americana A.Braun | 1 images |
Pinaropappus roseus (Less.) Less. | 38 images |
Pinguicula pumila Michx. | 13 images |
Pinus aristata Engelm. | 243 images |
Pinus arizonica Engelm. | 23 images |
Pinus cembroides Zucc. | 58 images |
Pinus echinata Mill. | 148 images |
Pinus edulis Engelm. | 148 images |
Pinus engelmannii Carrière | 1 images |
Pinus flexilis E.James | 57 images |
Pinus leiophylla Schiede ex Schltdl. & Cham. | 7 images |
Pinus monophylla Torr. & Frém. | 37 images |
Pinus palustris Mill. | 172 images |
Pinus ponderosa Douglas ex C.Lawson | 518 images |
Pinus taeda L. | 416 images |
Pisonia aculeata L. | 95 images |
Pistacia chinensis Bunge | 290 images |
Pistacia mexicana Kunth | 21 images |
Pistia stratiotes L. | 1013 images |
Pithecellobium dulce (Roxb.) Benth. | 670 images |
Pityopsis graminifolia (Michx.) Nutt. | 55 images |
Plagiobothrys arizonicus (A.Gray) Greene ex A.Gray | 10 images |
Plantago aristata Michx. | 26 images |
Plantago coronopus L. | 2785 images |
Plantago elongata Pursh | 17 images |
Plantago eriopoda Torr. | 12 images |
Plantago helleri Small | 8 images |
Plantago heterophylla Nutt. | 1 images |
Plantago lanceolata L. | 14553 images |
Plantago major L. | 11251 images |
Plantago ovata Forssk. | 255 images |
Plantago patagonica Jacq. | 54 images |
Plantago pusilla Nutt. | 10 images |
Plantago rhodosperma Decne. | 34 images |
Plantago rugelii Decne. | 257 images |
Plantago virginica L. | 189 images |
Plantago wrightiana Decne. | 9 images |
Platanthera aquilonis Sheviak | 28 images |
Platanthera blephariglottis (Willd.) Lindl. | 39 images |
Platanthera chapmanii (Small) Luer | 3 images |
Platanthera ciliaris (L.) Lindl. | 82 images |
Platanthera clavellata (Michx.) Luer | 44 images |
Platanthera cristata (Michx.) Lindl. | 5 images |
Platanthera dilatata (Pursh) Lindl. ex L.C.Beck | 6 images |
Platanthera flava (L.) Lindl. | 17 images |
Platanthera lacera (Michx.) G.Don | 41 images |
Platanthera nivea (Nutt.) Luer | 6 images |
Platanthera obtusata (Banks ex Pursh) Lindl. | 12 images |
Platanthera sparsiflora (S.Watson) Schltr. | 46 images |
Platanus occidentalis L. | 8661 images |
Platanus wrightii S.Watson | 2 images |
Plectocephalus americanus (Nutt.) D.Don | 8 images |
Pleopeltis polylepis T.Moore | 3 images |
Pluchea baccharis (Mill.) Pruski | 7 images |
Pluchea camphorata (L.) DC. | 55 images |
Pluchea foetida (L.) DC. | 15 images |
Pluchea odorata (L.) Cass. | 278 images |
Pluchea sericea Coville | 56 images |
Plumbago zeylanica L. | 387 images |
Poa alpina L. | 415 images |
Poa angustifolia L. | 4 images |
Poa annua L. | 3156 images |
Poa arachnifera Torr. | 19 images |
Poa arida Vasey | 2 images |
Poa autumnalis Muhl. ex Elliott | 3 images |
Poa bulbosa L. | 1251 images |
Poa compressa L. | 134 images |
Poa fendleriana (Steud.) Vasey | 12 images |
Poa glauca Vahl | 40 images |
Poa leptocoma Trin. | 9 images |
Poa nemoralis L. | 514 images |
Poa occidentalis (Vasey) Vasey | 6 images |
Poa palustris L. | 140 images |
Poa pratensis L. | 3279 images |
Poa secunda J.Presl | 9 images |
Poa tracyi Vasey | 7 images |
Poa trivialis L. | 2158 images |
Podagrostis humilis (Vasey) Björkman | 1 images |
Podophyllum peltatum L. | 2048 images |
Pogonia ophioglossoides (L.) Ker Gawl. | 136 images |
Polemonium foliosissimum A.Gray | 31 images |
Polemonium occidentale Greene | 103 images |
Polemonium pauciflorum S.Watson | 12 images |
Polemonium pulcherrimum Hook. | 102 images |
Polemonium viscosum Nutt. | 38 images |
Poliomintha incana (Torr.) A.Gray | 2 images |
Polycarpon tetraphyllum (L.) L. | 1391 images |
Polygala alba Nutt. | 27 images |
Polygala cruciata L. | 9 images |
Polygala cymosa Walter | 2 images |
Polygala mariana Mill. | 3 images |
Polygala polygama Walter | 33 images |
Polygala sanguinea L. | 69 images |
Polygala verticillata L. | 5 images |
Polygonatum biflorum (Walter) Elliott | 815 images |
Polygonum arenastrum Boreau | 198 images |
Polygonum aviculare L. | 5534 images |
Polygonum douglasii Greene | 5 images |
Polygonum polygaloides Meisn. | 1 images |
Polygonum tenue Michx. | 3 images |
Polypodium hesperium Maxon | 12 images |
Polypogon maritimus Willd. | 42 images |
Polypogon monspeliensis (L.) Desf. | 912 images |
Polypogon viridis (Gouan) Breistr. | 252 images |
Polypremum procumbens L. | 89 images |
Polystichum acrostichoides (Michx.) Schott | 658 images |
Polytaenia nuttallii DC. | 16 images |
Polytaenia texana (J.M.Coult. & Rose) Mathias & Constance | 88 images |
Pombalia verticillata (Ortega) Paula-Souza | 9 images |
Pontederia cordata L. | 1774 images |
Pontederia crassipes Mart. | 1717 images |
Ponthieva racemosa (Walter) C.Mohr | 13 images |
Populus alba L. | 12558 images |
Populus angustifolia E.James | 5 images |
Populus deltoides W.Bartram ex Marshall | 819 images |
Populus fremontii S.Watson | 17 images |
Populus nigra L. | 14457 images |
Populus tremuloides Michx. | 1534 images |
Porlieria angustifolia (Engelm.) A.Gray | 8 images |
Porophyllum gracile Benth. | 24 images |
Porophyllum ruderale (Jacq.) Cass. | 316 images |
Portulaca grandiflora Hook. | 7992 images |
Portulaca halimoides L. | 31 images |
Portulaca oleracea L. | 13426 images |
Portulaca pilosa L. | 797 images |
Portulaca suffrutescens Engelm. | 18 images |
Portulaca umbraticola Kunth | 1923 images |
Potamogeton alpinus Balb. | 27 images |
Potamogeton berchtoldii Fieber | 26 images |
Potamogeton crispus L. | 187 images |
Potamogeton diversifolius Raf. | 1 images |
Potamogeton foliosus Raf. | 5 images |
Potamogeton gramineus L. | 46 images |
Potamogeton natans L. | 628 images |
Potamogeton nodosus Poir. | 337 images |
Potamogeton pusillus L. | 45 images |
Potentilla concinna Richardson | 8 images |
Potentilla gracilis Douglas ex Hook. | 206 images |
Potentilla hippiana Lehm. | 13 images |
Potentilla indica (Andrews) Th.Wolf | 5908 images |
Potentilla nivea L. | 29 images |
Potentilla norvegica L. | 875 images |
Potentilla pensylvanica L. | 21 images |
Potentilla plattensis Nutt. | 1 images |
Potentilla recta L. | 3907 images |
Potentilla simplex Michx. | 524 images |
Potentilla supina L. | 208 images |
Potentilla thurberi A.Gray | 109 images |
Primula angustifolia Torr. | 12 images |
Primula meadia (L.) A.R.Mast & Reveal | 285 images |
Primula parryi A.Gray | 35 images |
Primula pauciflora (Durand) A.R.Mast & Reveal | 51 images |
Primula rusbyi Greene | 4 images |
Priva lappulacea (L.) Pers. | 342 images |
Proboscidea althaeifolia (Benth.) Decne. | 3 images |
Proboscidea louisianica (Mill.) Thell. | 239 images |
Proboscidea parviflora (Wooton) Wooton & Standl. | 6 images |
Prosartes trachycarpa S.Watson | 44 images |
Proserpinaca palustris L. | 4 images |
Proserpinaca pectinata Lam. | 2 images |
Prosopis glandulosa Torr. | 480 images |
Prosopis laevigata (Humb. & Bonpl. ex Willd.) M.C.Johnst. | 9 images |
Prosopis pubescens Benth. | 42 images |
Prosopis velutina Wooton | 32 images |
Prunella vulgaris L. | 22912 images |
Prunus americana Marshall | 85 images |
Prunus angustifolia Marshall | 3 images |
Prunus armeniaca L. | 6066 images |
Prunus avium (L.) L. | 21084 images |
Prunus caroliniana (Mill.) Aiton | 156 images |
Prunus cerasus L. | 11573 images |
Prunus mahaleb L. | 7214 images |
Prunus mexicana S.Watson | 12 images |
Prunus persica (L.) Batsch | 11076 images |
Prunus rivularis Scheele | 29 images |
Prunus serotina Ehrh. | 9266 images |
Prunus umbellata Elliott | 45 images |
Prunus virginiana L. | 3573 images |
Psathyrotopsis scaposa (A.Gray) H.Rob. | 1 images |
Pseudabutilon umbellatum (L.) Fryxell | 2 images |
Pseudognaphalium canescens (DC.) Anderb. | 1 images |
Pseudognaphalium leucocephalum (A.Gray) Anderb. | 22 images |
Pseudognaphalium luteoalbum (L.) Hilliard & B.L.Burtt | 1348 images |
Pseudognaphalium obtusifolium (L.) Hilliard & B.L.Burtt | 73 images |
Pseudognaphalium stramineum (Kunth) Anderb. | 115 images |
Pseudognaphalium viscosum (Kunth) Anderb. | 4 images |
Pseudotsuga menziesii (Mirb.) Franco | 4732 images |
Psilactis asteroides A.Gray | 2 images |
Psilostrophe sparsiflora (A.Gray) A.Nelson | 6 images |
Psilostrophe tagetina (Nutt.) Greene | 13 images |
Psilotum nudum (L.) P.Beauv. | 191 images |
Ptelea trifoliata L. | 516 images |
Pteris multifida Poir. | 19 images |
Pteris vittata L. | 549 images |
Pterocaulon virgatum (L.) DC. | 8 images |
Pterospora andromedea Nutt. | 273 images |
Ptilimnium nuttallii (DC.) Britton | 6 images |
Puccinellia distans (Jacq.) Parl. | 105 images |
Puccinellia parishii Hitchc. | 2 images |
Pueraria montana (Lour.) Merr. | 427 images |
Punica granatum L. | 15197 images |
Purshia stansburiana (Torr.) Henrard | 19 images |
Purshia tridentata (Pursh) DC. | 193 images |
Pycnanthemum albescens Torr. & A.Gray | 2 images |
Pycnanthemum muticum (Michx.) Pers. | 170 images |
Pycnanthemum tenuifolium Schrad. | 321 images |
Pycnanthemum verticillatum (Michx.) Pers. | 96 images |
Pyracantha coccinea M.Roem. | 15965 images |
Pyracantha crenulata (D.Don) M.Roem. | 1597 images |
Pyracantha koidzumii (Hayata) Rehder | 805 images |
Pyrola asarifolia Michx. | 130 images |
Pyrola chlorantha Sw. | 379 images |
Pyrola elliptica Nutt. | 173 images |
Pyrola minor L. | 718 images |
Pyrola picta Sm. | 126 images |
Pyrrhopappus carolinianus (Walter) DC. | 284 images |
Pyrrhopappus grandiflorus (Nutt.) Nutt. | 2 images |
Pyrrhopappus pauciflorus DC. | 67 images |
Pyrrocoma crocea (A.Gray) Greene | 26 images |
Pyrrocoma lanceolata (Hook.) Greene | 1 images |
Pyrus calleryana Decne. | 4901 images |
Pyrus communis L. | 11120 images |
Quercus × heterophylla F.Michx. | 6 images |
Quercus alba L. | 876 images |
Quercus arizonica Sarg. | 11 images |
Quercus arkansana Sarg. | 15 images |
Quercus boyntonii Beadle | 2 images |
Quercus buckleyi Nixon & Dorr | 14 images |
Quercus canbyi Trel. | 18 images |
Quercus chrysolepis Liebm. | 158 images |
Quercus emoryi Torr. | 20 images |
Quercus falcata Michx. | 83 images |
Quercus fusiformis Small | 191 images |
Quercus gambelii Nutt. | 178 images |
Quercus gravesii Sudw. | 18 images |
Quercus grisea Liebm. | 16 images |
Quercus havardii Rydb. | 7 images |
Quercus hypoleucoides A.Camus | 3 images |
Quercus imbricaria Michx. | 266 images |
Quercus laurifolia Michx. | 73 images |
Quercus lyrata Walter | 23 images |
Quercus macrocarpa Michx. | 1468 images |
Quercus marilandica (L.) Münchh. | 93 images |
Quercus michauxii Nutt. | 201 images |
Quercus muehlenbergii Engelm. | 94 images |
Quercus nigra L. | 1095 images |
Quercus oblongifolia Torr. | 10 images |
Quercus pagoda Raf. | 4 images |
Quercus phellos L. | 884 images |
Quercus polymorpha Schltdl. & Cham. | 75 images |
Quercus pungens Liebm. | 6 images |
Quercus rugosa Née | 57 images |
Quercus shumardii Buckley | 106 images |
Quercus similis Ashe | 1 images |
Quercus sinuata Walter | 9 images |
Quercus stellata Wangenh. | 147 images |
Quercus texana Buckley | 40 images |
Quercus toumeyi Sarg. | 7 images |
Quercus turbinella Greene | 86 images |
Quercus vaseyana Buckley | 11 images |
Quercus velutina Lam. | 1671 images |
Quercus virginiana Mill. | 567 images |
Quincula lobata (Torr.) Raf. | 53 images |
Rafinesquia neomexicana A.Gray | 88 images |
Randia obcordata S.Watson | 1 images |
Ranunculus abortivus L. | 536 images |
Ranunculus acris L. | 12679 images |
Ranunculus alismifolius Geyer ex Benth. | 59 images |
Ranunculus arizonicus Lemmon. ex A.Gray | 2 images |
Ranunculus cupulatus (S.Watson) Christenh. & Byng | 5 images |
Ranunculus eschscholtzii Schltdl. | 24 images |
Ranunculus fascicularis Muhl. ex Bigelow | 73 images |
Ranunculus ficaria L. | 31065 images |
Ranunculus flabellaris Raf. | 12 images |
Ranunculus flammula L. | 2172 images |
Ranunculus glaberrimus Hook. | 72 images |
Ranunculus gmelinii DC. | 4 images |
Ranunculus inamoenus Greene | 8 images |
Ranunculus laxicaulis (Torr. & A.Gray) Darby | 1 images |
Ranunculus macounii Britton | 13 images |
Ranunculus macranthus Scheele | 7 images |
Ranunculus minimus (L.) E.H.L.Krause | 182 images |
Ranunculus muricatus L. | 1086 images |
Ranunculus parviflorus Loefl. | 7 images |
Ranunculus pensylvanicus L.f. | 2 images |
Ranunculus petiolaris Humb., Bonpl. & Kunth ex DC. | 3 images |
Ranunculus pusillus Poir. | 5 images |
Ranunculus recurvatus Poir. | 249 images |
Ranunculus repens L. | 15716 images |
Ranunculus sardous Crantz | 1046 images |
Ranunculus sceleratus L. | 1531 images |
Ranunculus trichophyllus Chaix | 554 images |
Ranunculus trilobus Desf. | 69 images |
Ranunculus uncinatus D.Don ex G.Don | 5 images |
Raphanus raphanistrum L. | 14510 images |
Rapistrum rugosum (L.) All. | 3321 images |
Ratibida columnifera (Nutt.) Wooton & Standl. | 496 images |
Reseda luteola L. | 3339 images |
Rhamphospermum arvense (L.) Andrz. ex Besser | 10631 images |
Rhamphospermum nigrum (L.) Al-Shehbaz | 965 images |
Rhexia alifanus Walter | 20 images |
Rhexia mariana L. | 212 images |
Rhexia virginica L. | 128 images |
Rhinanthus minor L. | 3235 images |
Rhinotropis lindheimeri (A.Gray) J.R.Abbott | 1 images |
Rhinotropis subspinosa (S.Watson) J.R.Abbott | 1 images |
Rhizophora mangle L. | 541 images |
Rhodiola integrifolia Raf. | 81 images |
Rhodiola rhodantha (A.Gray) H.Jacobsen | 9 images |
Rhododendron canescens (Michx.) Sweet | 191 images |
Rhododendron viscosum (L.) Torr. | 151 images |
Rhododon ciliatus (Benth.) Epling | 4 images |
Rhus aromatica Aiton | 729 images |
Rhus copallinum L. | 976 images |
Rhus glabra L. | 2108 images |
Rhus microphylla Engelm. | 32 images |
Rhus trilobata Nutt. | 20 images |
Rhus virens Lindh. ex A.Gray | 45 images |
Rhynchosia minima (L.) DC. | 343 images |
Rhynchosia reniformis DC. | 1 images |
Rhynchosida physocalyx (A.Gray) Fryxell | 21 images |
Rhynchospora capitellata (Michx.) Vahl | 4 images |
Rhynchospora colorata (L.) H.Pfeiff. | 165 images |
Rhynchospora fascicularis (Michx.) Vahl | 8 images |
Rhynchospora glomerata (L.) Vahl | 1 images |
Rhynchospora latifolia (Baldwin ex Elliott) W.W.Thomas | 13 images |
Rhynchospora nivea Boeckeler | 1 images |
Rhynchospora perplexa Britton | 1 images |
Ribes americanum Mill. | 125 images |
Ribes aureum Pursh | 1835 images |
Ribes cereum Douglas | 175 images |
Ribes inerme Rydb. | 31 images |
Ribes lacustre (Pers.) Poir. | 110 images |
Ribes laxiflorum Pursh | 18 images |
Ribes leptanthum A.Gray | 5 images |
Ribes montigenum McClatchie | 33 images |
Ribes viscosissimum Pursh | 24 images |
Ribes wolfii Rothr. | 4 images |
Richardia brasiliensis Gomes | 238 images |
Richardia scabra L. | 607 images |
Ricinus communis L. | 11815 images |
Rivina humilis L. | 1108 images |
Robinia hispida L. | 1617 images |
Robinia neomexicana A.Gray | 35 images |
Robinia pseudoacacia L. | 23080 images |
Roldana hartwegii (Benth.) H.Rob. & Brettell | 3 images |
Rorippa aquatica (Eaton) E.J.Palmer & Steyerm. | 1 images |
Rorippa austriaca (Crantz) Besser | 191 images |
Rorippa curvipes Greene | 10 images |
Rorippa palustris (L.) Besser | 1122 images |
Rorippa sylvestris (L.) Besser | 2428 images |
Rosa acicularis Lindl. | 31 images |
Rosa arkansana Porter | 107 images |
Rosa bracteata J.C.Wendl. | 48 images |
Rosa canina L. | 22048 images |
Rosa carolina L. | 52 images |
Rosa gallica L. | 11802 images |
Rosa laevigata Michx. | 62 images |
Rosa lucieae Franch. & Rochebr. ex Crép. | 3374 images |
Rosa micrantha Borrer ex Sm. | 1348 images |
Rosa multiflora Thunb. | 5976 images |
Rosa nutkana C.Presl | 18 images |
Rosa rubiginosa L. | 4580 images |
Rosa setigera Michx. | 479 images |
Rosa stellata Wooton | 7 images |
Rosa tomentosa Sm. | 261 images |
Rosa woodsii Lindl. | 1107 images |
Rostraria cristata (L.) Tzvelev | 716 images |
Rotala ramosior (L.) Koehne | 9 images |
Rottboellia campestris Nutt. | 1 images |
Rottboellia cochinchinensis (Lour.) Clayton | 30 images |
Rubus argutus Link | 2408 images |
Rubus deliciosus Torr. | 122 images |
Rubus flagellaris Willd. | 47 images |
Rubus idaeus L. | 7801 images |
Rubus leucodermis (Douglas ex Hook.) Douglas ex Torr. & A.Gray | 3 images |
Rubus pensilvanicus Poir. | 47 images |
Rubus trivialis Michx. | 69 images |
Rubus ulmifolius Schott | 12268 images |
Rudbeckia amplexicaulis Vahl | 22 images |
Rudbeckia fulgida Aiton | 8036 images |
Rudbeckia grandiflora (Sweet) C.C.Gmel. ex DC. | 4 images |
Rudbeckia hirta L. | 5833 images |
Rudbeckia laciniata L. | 2867 images |
Rudbeckia maxima Nutt. | 107 images |
Rudbeckia missouriensis Engelm. ex C.L.Boynton & Beadle | 7 images |
Rudbeckia subtomentosa Pursh | 137 images |
Rudbeckia triloba L. | 1385 images |
Ruellia caroliniensis (J.F.Gmel.) Steud. | 7 images |
Ruellia ciliatiflora Hook. | 276 images |
Ruellia drummondiana (Nees) A.Gray | 5 images |
Ruellia humilis Nutt. | 610 images |
Ruellia parryi A.Gray | 13 images |
Ruellia pedunculata Torr. ex A.Gray | 35 images |
Ruellia simplex C.Wright | 4417 images |
Ruellia strepens L. | 144 images |
Rumex × acutus L. | 1962 images |
Rumex acetosella L. | 5659 images |
Rumex altissimus Alph.Wood | 13 images |
Rumex conglomeratus Murray | 3266 images |
Rumex crispus L. | 10427 images |
Rumex dentatus L. | 28 images |
Rumex ellipticus Greene | 22 images |
Rumex hymenosepalus Torr. | 92 images |
Rumex maritimus L. | 105 images |
Rumex obtusifolius L. | 13461 images |
Rumex occidentalis S.Watson | 4 images |
Rumex patientia L. | 3197 images |
Rumex pulcher L. | 2324 images |
Rumex spinosus L. | 388 images |
Rumex stenophyllus Ledeb. | 1 images |
Rumex venosus Pursh | 12 images |
Rumex verticillatus L. | 30 images |
Ruppia cirrhosa (Petagna) Grande | 35 images |
Ruppia maritima L. | 28 images |
Ruta chalepensis L. | 1405 images |
Ruta graveolens L. | 3517 images |
Sabal mexicana Mart. | 118 images |
Sabal minor (Jacq.) Pers. | 304 images |
Sabatia angularis (L.) Pursh | 178 images |
Sabatia campanulata (L.) Torr. | 2 images |
Sabatia campestris Nutt. | 140 images |
Sabatia gentianoides Elliott | 8 images |
Sabulina michauxii (Fenzl) Dillenb. & Kadereit | 6 images |
Sabulina rubella (Wahlenb.) Dillenb. & Kadereit | 1 images |
Saccharum officinarum L. | 979 images |
Sacciolepis indica (L.) Chase | 9 images |
Sacciolepis striata (L.) Nash | 1 images |
Sageretia thea (Osbeck) M.C.Johnst. | 96 images |
Sagina saginoides (L.) H.Karst. | 86 images |
Sagittaria graminea Michx. | 80 images |
Sagittaria latifolia Willd. | 785 images |
Sagittaria montevidensis Cham. & Schltdl. | 158 images |
Salicornia bigelovii Torr. | 31 images |
Salicornia rubra A.Nelson | 16 images |
Salix × fragilis L. | 118 images |
Salix × pendulina Wender. | 729 images |
Salix amygdaloides Andersson | 32 images |
Salix bebbiana Sarg. | 46 images |
Salix bonplandiana Kunth | 10 images |
Salix boothii Dorn | 1 images |
Salix brachycarpa Nutt. | 1 images |
Salix caroliniana Michx. | 43 images |
Salix drummondiana Barratt ex Hook. | 2 images |
Salix exigua Nutt. | 261 images |
Salix geyeriana Andersson | 5 images |
Salix glauca L. | 239 images |
Salix gooddingii C.R.Ball | 5 images |
Salix humilis Marshall | 18 images |
Salix interior Rowlee | 8 images |
Salix irrorata Andersson | 3 images |
Salix laevigata Bebb | 40 images |
Salix lasiandra Benth. | 3 images |
Salix lasiolepis Benth. | 178 images |
Salix lucida Muhl. | 76 images |
Salix nigra Marshall | 164 images |
Salix nivalis Hook. | 10 images |
Salix petrophila Rydb. | 34 images |
Salix planifolia Pursh | 9 images |
Salix scouleriana Barratt ex Hook. | 20 images |
Salsola tragus L. | 52 images |
Salvia arizonica A.Gray | 3 images |
Salvia azurea Michx. ex Vahl | 88 images |
Salvia ballotiflora Benth. | 21 images |
Salvia coccinea Buc'hoz ex Etl. | 903 images |
Salvia columbariae Benth. | 273 images |
Salvia farinacea Benth. | 5481 images |
Salvia greggii A.Gray | 844 images |
Salvia hispanica L. | 810 images |
Salvia lycioides A.Gray | 1 images |
Salvia lyrata L. | 842 images |
Salvia microphylla Kunth | 14407 images |
Salvia pratensis L. | 17207 images |
Salvia reflexa Hornem. | 32 images |
Salvia regla Cav. | 37 images |
Salvia roemeriana Scheele | 88 images |
Salvia rosmarinus Spenn. | 18320 images |
Salvia subincisa Benth. | 9 images |
Salvia texana (Scheele) Torr. | 24 images |
Salvia tiliifolia Vahl | 149 images |
Salvia whitehousei Alziar | 3 images |
Salvinia minima Baker | 59 images |
Salvinia molesta D.Mitch. | 37 images |
Sambucus canadensis L. | 5430 images |
Sambucus cerulea Raf. | 11 images |
Sambucus mexicana C.Presl ex DC. | 2 images |
Sambucus racemosa L. | 9547 images |
Samolus ebracteatus Kunth | 14 images |
Samolus parviflorus Raf. | 2 images |
Sanguinaria canadensis L. | 1687 images |
Sanguisorba minor Scop. | 9140 images |
Sanicula canadensis L. | 511 images |
Sanicula marilandica L. | 32 images |
Sanvitalia abertii A.Gray | 8 images |
Sanvitalia procumbens Lam. | 1643 images |
Saponaria officinalis L. | 17749 images |
Sarcobatus vermiculatus (Hook.) Torr. | 46 images |
Sarracenia alata (Alph.Wood) Alph.Wood | 11 images |
Sassafras albidum (Nutt.) Nees | 1604 images |
Satureja hortensis L. | 1427 images |
Satureja montana L. | 4019 images |
Saururus cernuus L. | 387 images |
Saxifraga bronchialis L. | 64 images |
Saxifraga cernua L. | 29 images |
Saxifraga cespitosa L. | 105 images |
Saxifraga chrysantha A.Gray | 3 images |
Saxifraga hirculus L. | 125 images |
Scabiosa atropurpurea L. | 5780 images |
Scabrethia scabra (Hook.) W.A.Weber | 13 images |
Scaevola plumieri (L.) Vahl | 293 images |
Scaevola taccada (Gaertn.) Roxb. | 1073 images |
Scandix pecten-veneris L. | 2822 images |
Schaefferia cuneifolia A.Gray | 3 images |
Schinus longifolia (Lindl.) Speg. | 58 images |
Schinus molle L. | 6627 images |
Schinus terebinthifolia Raddi | 2595 images |
Schismus arabicus Nees | 14 images |
Schismus barbatus (L.) Thell. | 19 images |
Schizachyrium scoparium (Michx.) Nash | 56 images |
Schkuhria pinnata (Lam.) Kuntze ex Thell. | 62 images |
Schoenocaulon texanum Scheele | 6 images |
Schoenolirion croceum (Michx.) Alph.Wood | 5 images |
Schoenoplectiella hallii (A.Gray) Lye | 1 images |
Schoenoplectus californicus (C.A.Mey.) Soják | 39 images |
Schoenoplectus pungens (Vahl) Palla | 64 images |
Schoenoplectus tabernaemontani (C.C.Gmel.) Palla | 88 images |
Schoenus nigricans L. | 421 images |
Scilla hyacinthoides L. | 195 images |
Scirpus atrovirens Willd. | 213 images |
Scirpus cyperinus (L.) Kunth | 135 images |
Scirpus microcarpus J.Presl & C.Presl | 4 images |
Scirpus pendulus Muhl. | 32 images |
Sclerocactus brevihamatus (Engelm.) D.R.Hunt | 1 images |
Sclerocactus cloverae K.D.Heil & J.M.Porter | 1 images |
Sclerocactus intertextus (Engelm.) N.P.Taylor | 1 images |
Sclerocactus mariposensis (Hester) N.P.Taylor | 5 images |
Sclerocactus papyracanthus (Engelm.) N.P.Taylor | 10 images |
Sclerocactus parviflorus Clover & Jotter | 22 images |
Sclerocactus scheeri (Salm-Dyck) N.P.Taylor | 1 images |
Sclerocactus warnockii (L.D.Benson) N.P.Taylor | 7 images |
Sclerochloa dura (L.) P.Beauv. | 61 images |
Scoparia dulcis L. | 314 images |
Scorzonera laciniata L. | 648 images |
Scrophularia lanceolata Pursh | 18 images |
Scrophularia marilandica L. | 58 images |
Scrophularia montana Wooton | 2 images |
Scutellaria brittonii Porter | 2 images |
Scutellaria drummondii Benth. | 52 images |
Scutellaria galericulata L. | 1491 images |
Scutellaria integrifolia L. | 93 images |
Scutellaria lateriflora L. | 110 images |
Scutellaria mexicana (Torr.) A.J.Paton | 17 images |
Scutellaria minor Huds. | 138 images |
Scutellaria muriculata Epling | 1 images |
Scutellaria ovata Hill | 81 images |
Scutellaria parvula Michx. | 34 images |
Scutellaria racemosa Pers. | 56 images |
Scutellaria wrightii A.Gray | 1 images |
Secale cereale L. | 3647 images |
Sedum cockerellii Britton | 2 images |
Sedum diffusum S.Watson | 21 images |
Sedum havardii Rose | 1 images |
Sedum lanceolatum Torr. | 98 images |
Sedum nanifolium Fröd. | 1 images |
Sedum pulchellum Michx. | 49 images |
Sedum stelliforme S.Watson | 10 images |
Sedum wrightii A.Gray | 6 images |
Selaginella apoda (L.) Spring | 16 images |
Selaginella lepidophylla (Hook. & Grev.) Spring | 107 images |
Selenicereus spinulosus (DC.) Britton & Rose | 5 images |
Senecio ampullaceus Hook. | 317 images |
Senecio atratus Greene | 31 images |
Senecio bigelovii A.Gray | 10 images |
Senecio eremophilus Richardson | 2 images |
Senecio flaccidus Less. | 152 images |
Senecio integerrimus Nutt. | 153 images |
Senecio riddellii Torr. & A.Gray | 4 images |
Senecio soldanella A.Gray | 3 images |
Senecio spartioides Torr. & A.Gray | 19 images |
Senecio taraxacoides Greene | 1 images |
Senecio triangularis Hook. | 278 images |
Senecio vulgaris L. | 9535 images |
Senecio warnockii Shinners | 2 images |
Senecio wootonii Greene | 11 images |
Senegalia berlandieri (Benth.) Britton & Rose | 33 images |
Senegalia roemeriana (Scheele) Britton & Rose | 1 images |
Senna corymbosa (Lam.) H.S.Irwin & Barneby | 800 images |
Senna hirsuta (L.) H.S.Irwin & Barneby | 68 images |
Senna marilandica (L.) Link | 237 images |
Senna obtusifolia (L.) H.S.Irwin & Barneby | 461 images |
Senna occidentalis (L.) Link | 1432 images |
Senna pendula (Humb. & Bonpl. ex Willd.) H.S.Irwin & Barneby | 288 images |
Sesamum indicum L. | 399 images |
Sesbania drummondii (Rydb.) Cory | 84 images |
Sesbania herbacea (Mill.) McVaugh | 116 images |
Sesbania punicea (Cav.) Benth. | 463 images |
Sesbania vesicaria (Jacq.) Elliott | 11 images |
Sesuvium portulacastrum (L.) L. | 918 images |
Sesuvium revolutifolium Ortega | 41 images |
Setaria adhaerens (Forssk.) Chiov. | 13 images |
Setaria geminata (Forssk.) Veldkamp | 12 images |
Setaria italica (L.) P.Beauv. | 1480 images |
Setaria leucopila (Scribn. & Merr.) K.Schum. | 3 images |
Setaria macrostachya Kunth | 5 images |
Setaria magna Griseb. | 4 images |
Setaria parviflora (Poir.) Kerguélen | 178 images |
Setaria pumila (Poir.) Roem. & Schult. | 2933 images |
Setaria scheelei (Steud.) Hitchc. | 10 images |
Setaria verticillata (L.) P.Beauv. | 1460 images |
Setaria viridis (L.) P.Beauv. | 235 images |
Setaria vulpiseta (Lam.) Roem. & Schult. | 15 images |
Seymeria bipinnatisecta Seem. | 4 images |
Seymeria cassioides (J.F.Gmel.) S.F.Blake | 7 images |
Shepherdia argentea (Pursh) Nutt. | 63 images |
Shepherdia canadensis (L.) Nutt. | 177 images |
Sibbaldia procumbens L. | 200 images |
Sicyos angulatus L. | 444 images |
Sicyos glaber Wooton | 5 images |
Sicyos microphyllus Kunth | 8 images |
Sida ciliaris L. | 104 images |
Sida cordifolia L. | 207 images |
Sida elliottii Torr. & A.Gray | 2 images |
Sida rhombifolia L. | 875 images |
Sida spinosa L. | 168 images |
Sidalcea candida A.Gray | 20 images |
Sidalcea neomexicana A.Gray | 35 images |
Sidastrum paniculatum (L.) Fryxell | 13 images |
Sideritis lanata L. | 6 images |
Sideroxylon lanuginosum Michx. | 94 images |
Sideroxylon lycioides L. | 17 images |
Silene acaulis (L.) Jacq. | 3201 images |
Silene antirrhina L. | 15 images |
Silene conoidea L. | 14 images |
Silene csereii Baumg. | 4 images |
Silene dichotoma Ehrh. | 1528 images |
Silene gallica L. | 1833 images |
Silene laciniata Cav. | 252 images |
Silene latifolia Poir. | 20329 images |
Silene noctiflora L. | 2028 images |
Silene scouleri Hook. | 3 images |
Silene stellata (L.) Coyte | 134 images |
Silene vulgaris (Moench) Garcke | 16433 images |
Silphium albiflorum A.Gray | 12 images |
Silphium asteriscus L. | 82 images |
Silphium integrifolium Michx. | 127 images |
Silphium laciniatum L. | 258 images |
Silphium perfoliatum L. | 1629 images |
Silphium radula Nutt. | 36 images |
Silybum marianum (L.) Gaertn. | 9600 images |
Simmondsia chinensis (Link) C.K.Schneid. | 16 images |
Sinapis alba L. | 6549 images |
Sisymbrium altissimum L. | 366 images |
Sisymbrium irio L. | 2509 images |
Sisymbrium loeselii L. | 1601 images |
Sisymbrium officinale (L.) Scop. | 6227 images |
Sisymbrium orientale L. | 346 images |
Sisymbrium polyceratium L. | 10 images |
Sisyrinchium albidum Raf. | 39 images |
Sisyrinchium angustifolium Mill. | 1028 images |
Sisyrinchium idahoense E.P.Bicknell | 8 images |
Sisyrinchium langloisii Greene | 58 images |
Sisyrinchium minus Engelm. & A.Gray | 4 images |
Sisyrinchium montanum Greene | 176 images |
Sisyrinchium rosulatum E.P.Bicknell | 263 images |
Sium suave Walter | 70 images |
Smallanthus uvedalia (L.) Mack. | 89 images |
Smilax bona-nox L. | 794 images |
Smilax glauca Walter | 62 images |
Smilax lasioneura Hook. | 13 images |
Smilax laurifolia L. | 46 images |
Smilax pumila Walter | 20 images |
Smilax rotundifolia L. | 915 images |
Smilax tamnoides L. | 191 images |
Smilax walteri Pursh | 16 images |
Solanum alatum Moench | 3 images |
Solanum americanum Mill. | 6012 images |
Solanum campechiense L. | 10 images |
Solanum capsicoides All. | 90 images |
Solanum carolinense L. | 1704 images |
Solanum citrullifolium A.Braun | 17 images |
Solanum dimidiatum Raf. | 178 images |
Solanum diphyllum L. | 436 images |
Solanum douglasii Dunal | 164 images |
Solanum dulcamara L. | 15560 images |
Solanum elaeagnifolium Cav. | 1710 images |
Solanum erianthum D.Don | 4 images |
Solanum heterodoxum Dunal | 22 images |
Solanum lycopersicum L. | 16794 images |
Solanum nigrescens M.Martens & Galeotti | 23 images |
Solanum nigrum L. | 13419 images |
Solanum pseudocapsicum L. | 3245 images |
Solanum rostratum Dunal | 580 images |
Solanum sarrachoides Sendtn. | 5 images |
Solanum sisymbriifolium Lam. | 1022 images |
Solanum stoloniferum Schltdl. | 4 images |
Solanum triflorum Nutt. | 65 images |
Solanum triquetrum Cav. | 21 images |
Solidago altissima L. | 855 images |
Solidago arguta Aiton | 6 images |
Solidago caesia L. | 458 images |
Solidago canadensis L. | 14466 images |
Solidago gigantea Aiton | 7217 images |
Solidago missouriensis Nutt. | 32 images |
Solidago mollis Bartl. | 5 images |
Solidago multiradiata Aiton | 48 images |
Solidago nemoralis Aiton | 175 images |
Solidago odora Aiton | 60 images |
Solidago patula Muhl. ex Willd. | 23 images |
Solidago petiolaris Aiton | 11 images |
Solidago rigida L. | 197 images |
Solidago rugosa Mill. | 1367 images |
Solidago simplex Kunth | 24 images |
Solidago ulmifolia Muhl. ex Willd. | 75 images |
Solidago velutina DC. | 97 images |
Soliva sessilis Ruiz & Pav. | 161 images |
Soliva stolonifera (Brot.) Loudon | 4 images |
Sonchus asper (L.) Hill | 14223 images |
Sonchus oleraceus L. | 14206 images |
Sophora stenophylla A.Gray | 1 images |
Sophora tomentosa L. | 241 images |
Sorbus scopulina Greene | 57 images |
Sorghastrum nutans (L.) Nash | 181 images |
Sorghum × drummondii (Nees ex Steud.) Millsp. & Chase | 3 images |
Sorghum bicolor (L.) Moench | 2291 images |
Sorghum halepense (L.) Pers. | 3159 images |
Sparganium americanum Nutt. | 36 images |
Sparganium androcladum (Engelm.) Morong | 3 images |
Sparganium angustifolium Michx. | 275 images |
Sparganium emersum Rehmann | 201 images |
Sparganium eurycarpum Engelm. | 50 images |
Spartium junceum L. | 6676 images |
Spergula arvensis L. | 1223 images |
Spergularia echinosperma (Čelak.) Asch. & Graebn. | 31 images |
Spergularia marina (L.) Besser | 665 images |
Spergularia media (L.) C.Presl | 344 images |
Spergularia rubra (L.) J.Presl & C.Presl | 1594 images |
Spermacoce glabra Michx. | 31 images |
Spermacoce remota Lam. | 179 images |
Sphaeralcea angustifolia (Cav.) G.Don | 26 images |
Sphaeralcea coccinea (Nutt.) Rydb. | 183 images |
Sphaeralcea emoryi Torr. ex A.Gray | 13 images |
Sphaeralcea fendleri A.Gray | 6 images |
Sphaeralcea hastulata A.Gray | 28 images |
Sphaeralcea incana Torr. ex A.Gray | 22 images |
Sphaeralcea lindheimeri A.Gray | 3 images |
Sphaeralcea parvifolia A.Nelson | 19 images |
Sphaeralcea pedatifida (A.Gray) A.Gray | 4 images |
Sphaerophysa salsula (Pall.) DC. | 18 images |
Sphenoclea zeylanica Gaertn. | 23 images |
Sphenopholis intermedia (Rydb.) Rydb. | 9 images |
Sphenopholis obtusata (Michx.) Scribn. | 9 images |
Spigelia hedyotidea A.DC. | 1 images |
Spigelia marilandica (L.) L. | 199 images |
Spiranthes brevilabris Lindl. | 1 images |
Spiranthes cernua (L.) Rich. | 168 images |
Spiranthes lacera (Raf.) Raf. | 67 images |
Spiranthes longilabris Lindl. | 1 images |
Spiranthes magnicamporum Sheviak | 26 images |
Spiranthes odorata (Nutt.) Lindl. | 4 images |
Spiranthes ovalis Lindl. | 28 images |
Spiranthes praecox (Walter) S.Watson | 6 images |
Spiranthes romanzoffiana Cham. | 97 images |
Spiranthes tuberosa Raf. | 3 images |
Spiranthes vernalis Engelm. & A.Gray | 62 images |
Spirodela polyrhiza (L.) Schleid. | 204 images |
Sporobolus airoides (Torr.) Torr. | 24 images |
Sporobolus alopecuroides (Piller & Mitterp.) P.M.Peterson | 55 images |
Sporobolus alterniflorus (Loisel.) P.M.Peterson & Saarela | 81 images |
Sporobolus bakeri (Merr.) P.M.Peterson & Saarela | 1 images |
Sporobolus cryptandrus (Torr.) A.Gray | 9 images |
Sporobolus cynosuroides (L.) P.M.Peterson & Saarela | 1 images |
Sporobolus heterolepis (A.Gray) A.Gray | 15 images |
Sporobolus hookerianus P.M.Peterson & Saarela | 4 images |
Sporobolus indicus (L.) R.Br. | 430 images |
Sporobolus michauxianus (Hitchc.) P.M.Peterson & Saarela | 74 images |
Sporobolus neglectus Nash | 2 images |
Sporobolus pumilus (Roth) P.M.Peterson & Saarela | 49 images |
Sporobolus pyramidatus (Lam.) Hitchc. | 4 images |
Sporobolus rigidus (Buckley) P.M.Peterson | 7 images |
Sporobolus schoenoides (L.) P.M.Peterson | 88 images |
Sporobolus vaginiflorus (Torr. ex A.Gray) Alph.Wood | 8 images |
Sporobolus virginicus (L.) Kunth | 30 images |
Stachys arvensis (L.) L. | 620 images |
Stachys coccinea Ortega | 41 images |
Stachys drummondii Benth. | 5 images |
Stachys floridana Shuttlew. ex Benth. | 115 images |
Stachys pilosa Nutt. | 18 images |
Stachys tenuifolia Willd. | 17 images |
Stanleya pinnata (Pursh) Britton | 96 images |
Stanleya viridiflora Nutt. | 3 images |
Stapfochloa ciliata (Sw.) P.M.Peterson | 3 images |
Steinchisma hians (Elliott) Nash | 4 images |
Stellaria apetala Ucria | 205 images |
Stellaria crassifolia Ehrh. | 20 images |
Stellaria cuspidata Willd. ex D.F.K.Schltdl. | 10 images |
Stellaria longifolia Muhl. ex Willd. | 15 images |
Stellaria longipes Goldie | 26 images |
Stellaria media (L.) Vill. | 12603 images |
Stellaria nitens Nutt. | 5 images |
Stenandrium barbatum Torr. & A.Gray | 7 images |
Stenandrium dulce (Cav.) Nees | 13 images |
Stenanthium gramineum (Ker Gawl.) Morong | 22 images |
Stenaria nigricans (Lam.) Terrell | 109 images |
Stenotaphrum secundatum (Walter) Kuntze | 519 images |
Stenotus armerioides Nutt. | 14 images |
Stephanomeria exigua Nutt. | 17 images |
Stevia micrantha Lag. | 8 images |
Stevia ovata Willd. | 140 images |
Stevia serrata Cav. | 26 images |
Stevia viscida Kunth | 24 images |
Stewartia malacodendron L. | 42 images |
Stillingia sylvatica L. | 32 images |
Streptanthus bracteatus A.Gray | 1 images |
Streptanthus cordatus Nutt. | 9 images |
Streptanthus platycarpus A.Gray | 1 images |
Streptopus amplexifolius (L.) DC. | 612 images |
Strigosella africana (L.) Botsch. | 165 images |
Strophostyles helvola (L.) Elliott | 86 images |
Stuckenia filiformis (Pers.) Börner | 5 images |
Stuckenia pectinata (L.) Börner | 135 images |
Stuckenia striata (Ruiz & Pav.) Holub | 2 images |
Stylisma villosa (Nash) House | 5 images |
Styrax americanus Lam. | 25 images |
Styrax grandifolius Aiton | 3 images |
Suaeda linearis (Elliott) Moq. | 3 images |
Swertia perennis L. | 682 images |
Symphoricarpos albus (L.) S.F.Blake | 10568 images |
Symphoricarpos longiflorus A.Gray | 22 images |
Symphoricarpos occidentalis (R.Br.) Hook. | 68 images |
Symphoricarpos orbiculatus Moench | 3258 images |
Symphoricarpos oreophilus A.Gray | 15 images |
Symphoricarpos rotundifolius A.Gray | 43 images |
Symphyotrichum drummondii (Lindl.) G.L.Nesom | 1 images |
Symphyotrichum dumosum (L.) G.L.Nesom | 61 images |
Symphyotrichum ericoides (L.) G.L.Nesom | 1646 images |
Symphyotrichum foliaceum (Lindl. ex DC.) G.L.Nesom | 1 images |
Symphyotrichum laeve (L.) Á.Löve & D.Löve | 211 images |
Symphyotrichum lanceolatum (Willd.) G.L.Nesom | 3009 images |
Symphyotrichum lateriflorum (L.) Á.Löve & D.Löve | 92 images |
Symphyotrichum novae-angliae (L.) G.L.Nesom | 2782 images |
Symphyotrichum oblongifolium (Nutt.) G.L.Nesom | 53 images |
Symphyotrichum ontarionis (Wiegand) G.L.Nesom | 7 images |
Symphyotrichum oolentangiense (Riddell) G.L.Nesom | 233 images |
Symphyotrichum patens (Aiton) G.L.Nesom | 2 images |
Symphyotrichum praealtum (Poir.) G.L.Nesom | 5 images |
Symphyotrichum puniceum (L.) Á.Löve & D.Löve | 144 images |
Symphyotrichum racemosum (Elliott) G.L.Nesom | 7 images |
Symphyotrichum sericeum (Vent.) G.L.Nesom | 13 images |
Symphyotrichum spathulatum (Lindl.) G.L.Nesom | 4 images |
Symphyotrichum subulatum (Michx.) G.L.Nesom | 782 images |
Symphytum officinale L. | 20565 images |
Symplocos tinctoria (L.) L'Hér. | 5 images |
Synthlipsis greggii A.Gray | 5 images |
Syringa vulgaris L. | 20995 images |
Syringodium filiforme Kütz. | 4 images |
Taenidia integerrima (L.) Drude | 47 images |
Tagetes micrantha Cav. | 7 images |
Talinum fruticosum (L.) Juss. | 486 images |
Talinum paniculatum (Jacq.) Gaertn. | 1852 images |
Tamarindus indica L. | 1679 images |
Tamarix africana Poir. | 524 images |
Tamarix aphylla (L.) H.Karst. | 186 images |
Tamarix canariensis Willd. | 602 images |
Tamarix chinensis Lour. | 221 images |
Tamarix gallica L. | 6371 images |
Tamarix parviflora DC. | 3225 images |
Tamarix ramosissima Ledeb. | 1824 images |
Tanacetum vulgare L. | 19013 images |
Taraxacum erythrospermum Andrz. ex Besser | 1167 images |
Taraxacum sect. Taraxacum F.H.Wigg. | 14546 images |
Taxodium distichum (L.) Rich. | 9187 images |
Tecoma stans (L.) Juss. ex Kunth | 5709 images |
Telesonix jamesii (Torr.) Raf. | 11 images |
Tephrosia onobrychoides Nutt. | 2 images |
Tephrosia vicioides Schltdl. | 23 images |
Tephrosia virginiana (L.) Pers. | 75 images |
Tetradymia canescens DC. | 85 images |
Tetradymia filifolia Greene | 23 images |
Tetragonotheca repanda Small | 1 images |
Tetramerium nervosum Nees | 36 images |
Tetraneuris acaulis Greene | 25 images |
Tetraneuris argentea Greene | 1 images |
Tetraneuris ivesiana Greene | 3 images |
Tetraneuris linearifolia Greene | 25 images |
Tetraneuris scaposa (DC.) Greene | 130 images |
Tetrapogon chlorideus (J.Presl) P.M.Peterson | 1 images |
Teucrium canadense L. | 643 images |
Teucrium laciniatum Torr. | 25 images |
Thalassia testudinum Banks & Sol. ex K.D.Koenig | 7 images |
Thalia dealbata Fraser | 458 images |
Thalictrum alpinum L. | 68 images |
Thalictrum dasycarpum Fisch., C.A.Mey. & Avé-Lall. | 10 images |
Thalictrum fendleri Engelm. ex A.Gray | 62 images |
Thalictrum revolutum DC. | 24 images |
Thalictrum venulosum Trel. | 1 images |
Thaspium barbinode (Michx.) Nutt. | 35 images |
Thaspium trifoliatum (L.) A.Gray | 22 images |
Thelesperma filifolium (Hook.) A.Gray | 4 images |
Thelesperma megapotamicum (Spreng.) Herter | 44 images |
Thelocactus bicolor (Galeotti ex Pfeiff.) Britton & Rose | 33 images |
Thelocactus setispinus (Engelm.) E.F.Anderson | 121 images |
Thelypodium integrifolium (Nutt.) Endl. | 2 images |
Thelypteris dentata (Forssk.) E.P.St.John | 253 images |
Thelypteris hispidula (Decne.) C.F.Reed | 38 images |
Thelypteris kunthii (Desv.) C.V.Morton | 11 images |
Thelypteris palustris Schott | 366 images |
Thermopsis montana Nutt. | 15 images |
Thermopsis rhombifolia (Pursh) Richardson | 1 images |
Thinopyrum acutum (DC.) Banfi | 52 images |
Thinopyrum elongatum (Host) D.R.Dewey | 21 images |
Thinopyrum intermedium (Host) Barkworth & D.R.Dewey | 19 images |
Thlaspi arvense L. | 2868 images |
Thunbergia alata Bojer ex Sims | 4032 images |
Thurovia triflora Rose | 4 images |
Thymelaea passerina (L.) Coss. & Germ. | 69 images |
Thymophylla acerosa (DC.) Strother | 14 images |
Thymophylla micropoides (DC.) Strother | 1 images |
Thymophylla pentachaeta (DC.) Small | 92 images |
Thymophylla setifolia Lag. | 7 images |
Thymophylla tenuiloba (DC.) Small | 64 images |
Thysanocarpus curvipes Hook. | 70 images |
Tidestromia lanuginosa (Nutt.) Standl. | 25 images |
Tidestromia suffruticosa (Torr.) Standl. | 10 images |
Tiedemannia filiformis (Walter) Feist & S.R.Downie | 1 images |
Tilia americana L. | 4895 images |
Tillandsia baileyi Rose ex Small | 10 images |
Tillandsia recurvata (L.) L. | 495 images |
Tillandsia usneoides (L.) L. | 890 images |
Tinantia anomala (Torr.) C.B.Clarke | 4 images |
Tipularia discolor (Pursh) Nutt. | 335 images |
Tiquilia mexicana (S.Watson) A.T.Richardson | 8 images |
Tithonia diversifolia (Hemsl.) A.Gray | 1525 images |
Tomostima cuneifolia (Nutt.) Al-Shehbaz, M.Koch & Jordon-Thaden | 1 images |
Torenia crustacea (L.) Cham. & Schltdl. | 154 images |
Torilis arvensis (Huds.) Link | 5463 images |
Torilis japonica (Houtt.) DC. | 1972 images |
Torilis nodosa (L.) Gaertn. | 989 images |
Torreyochloa pallida (Torr.) Church | 10 images |
Townsendia exscapa (Richardson) Porter | 12 images |
Townsendia fendleri A.Gray | 2 images |
Townsendia formosa Greene | 1 images |
Townsendia incana Nutt. | 9 images |
Toxicodendron pubescens Mill. | 67 images |
Toxicodendron radicans (L.) Kuntze | 5354 images |
Toxicodendron rydbergii (Small ex Rydb.) Greene | 137 images |
Toxicodendron vernix (L.) Kuntze | 74 images |
Toxicoscordion paniculatum (Nutt.) Rydb. | 22 images |
Toxicoscordion venenosum (S.Watson) Rydb. | 46 images |
Trachypogon spicatus (L.f.) Kuntze | 10 images |
Tradescantia brevifolia (Torr.) Rose | 17 images |
Tradescantia buckleyi (I.M.Johnst.) D.R.Hunt | 1 images |
Tradescantia crassifolia Cav. | 31 images |
Tradescantia gigantea Rose | 21 images |
Tradescantia hirsutiflora Bush | 7 images |
Tradescantia occidentalis (Britton) Smyth | 113 images |
Tradescantia ohiensis Raf. | 980 images |
Tradescantia pinetorum Greene | 5 images |
Tradescantia reverchonii Bush | 22 images |
Tragia cordata Michx. | 13 images |
Tragia ramosa Torr. | 41 images |
Tragia urticifolia Michx. | 15 images |
Tragopogon dubius Scop. | 6694 images |
Tragopogon porrifolius L. | 5035 images |
Tragopogon pratensis L. | 8975 images |
Tragus berteronianus Schult. | 75 images |
Trautvetteria caroliniensis (Walter) Vail | 40 images |
Triadica sebifera (L.) Small | 657 images |
Triantha racemosa (Walter) Small | 1 images |
Trianthema portulacastrum L. | 310 images |
Tribulus terrestris L. | 2303 images |
Trichostema brachiatum L. | 24 images |
Trichostema dichotomum L. | 127 images |
Trichostema setaceum Houtt. | 4 images |
Tridax procumbens L. | 540 images |
Tridens albescens (Vasey) Wooton & Standl. | 5 images |
Tridens flavus (L.) Hitchc. | 67 images |
Tridens strictus (Nutt.) Nash | 2 images |
Tridentopsis mutica (Torr.) P.M.Peterson | 3 images |
Trifolium attenuatum Greene | 4 images |
Trifolium campestre Schreb. | 4438 images |
Trifolium dubium Sibth. | 3720 images |
Trifolium fragiferum L. | 1350 images |
Trifolium hybridum L. | 1804 images |
Trifolium lappaceum L. | 197 images |
Trifolium nanum Torr. | 12 images |
Trifolium pratense L. | 18785 images |
Trifolium reflexum L. | 3 images |
Trifolium repens L. | 13187 images |
Trifolium wormskioldii Lehm. | 53 images |
Triglochin maritima L. | 397 images |
Triglochin palustris L. | 166 images |
Trillium pusillum Michx. | 3 images |
Trillium recurvatum L.C.Beck | 11 images |
Trillium viridescens Nutt. | 8 images |
Triodanis perfoliata (L.) Nieuwl. | 622 images |
Triosteum angustifolium L. | 9 images |
Triosteum perfoliatum L. | 51 images |
Triphasia trifolia (Burm.f.) P.Wilson | 73 images |
Triphora trianthophoros (Sw.) Rydb. | 9 images |
Tripidium ravennae (L.) H.Scholz | 90 images |
Triplasis purpurea (Walter) Chapm. | 3 images |
Tripsacum dactyloides (L.) L. | 83 images |
Triticum aestivum L. | 21888 images |
Trixis californica Kellogg | 40 images |
Trixis inula Crantz | 24 images |
Turnera diffusa Willd. ex Schult. | 74 images |
Turritis glabra L. | 1063 images |
Typha × glauca Godr. | 55 images |
Typha angustifolia L. | 1132 images |
Typha domingensis Pers. | 229 images |
Typha latifolia L. | 3695 images |
Ulmus alata Michx. | 557 images |
Ulmus americana L. | 4804 images |
Ulmus crassifolia Nutt. | 201 images |
Ulmus pumila L. | 3433 images |
Ulmus rubra Muhl. | 147 images |
Ulmus serotina Sarg. | 29 images |
Ungnadia speciosa Endl. | 116 images |
Uniola paniculata L. | 91 images |
Urochloa brizantha (A.Rich.) R.D.Webster | 4 images |
Urochloa fusca (Sw.) B.F.Hansen & Wunderlin | 18 images |
Urochloa mutica (Forssk.) T.Q.Nguyen | 12 images |
Urochloa panicoides P.Beauv. | 139 images |
Urochloa plantaginea (Link) R.D.Webster | 1 images |
Urochloa polystachya (Kunth) Mabb. | 8 images |
Urochloa ramosa (L.) T.Q.Nguyen | 7 images |
Urochloa reptans (L.) Stapf | 4 images |
Urochloa subquadripara (Trin.) R.D.Webster | 25 images |
Urochloa trichopus (Hochst.) Stapf | 204 images |
Urtica chamaedryoides Pursh | 45 images |
Urtica gracilenta Greene | 10 images |
Urtica gracilis Aiton | 1 images |
Urtica urens L. | 4370 images |
Urvillea ulmacea Kunth | 25 images |
Utricularia cornuta Michx. | 2 images |
Utricularia foliosa L. | 33 images |
Utricularia gibba L. | 46 images |
Utricularia inflata Walter | 2 images |
Utricularia juncea Vahl | 6 images |
Utricularia purpurea Walter | 12 images |
Utricularia radiata Small | 12 images |
Utricularia striata Leconte ex Torr. | 8 images |
Utricularia subulata L. | 33 images |
Uvularia perfoliata L. | 75 images |
Uvularia sessilifolia L. | 137 images |
Vaccinium arboreum Marshall | 206 images |
Vaccinium cespitosum Michx. | 3 images |
Vaccinium corymbosum L. | 2730 images |
Vaccinium myrtillus L. | 5997 images |
Vaccinium scoparium Leiberg ex Coville | 26 images |
Vaccinium stamineum L. | 172 images |
Vachellia constricta (Benth.) Seigler & Ebinger | 3 images |
Vachellia farnesiana (L.) Wight & Arn. | 1640 images |
Vachellia rigidula (Benth.) Seigler & Ebinger | 31 images |
Vachellia seyal (Delile) P.J.H.Hurter | 162 images |
Valeriana acutiloba Rydb. | 2 images |
Valeriana occidentalis A.Heller | 7 images |
Valeriana woodsiana (Torr. & A.Gray) Christenh. & Byng | 161 images |
Vallisneria americana Michx. | 14 images |
Veratrum californicum Durand | 154 images |
Verbascum blattaria L. | 3733 images |
Verbascum thapsus L. | 16938 images |
Verbascum virgatum Stokes | 1619 images |
Verbena bipinnatifida Schauer | 429 images |
Verbena bracteata Cav. ex Lag. & Rodr. | 56 images |
Verbena brasiliensis Vell. | 877 images |
Verbena canadensis (L.) Britton | 158 images |
Verbena canescens Kunth | 19 images |
Verbena chiricahensis (Umber) Moldenke | 1 images |
Verbena cloverae Moldenke | 3 images |
Verbena gooddingii Briq. | 54 images |
Verbena halei Small | 185 images |
Verbena hastata L. | 1301 images |
Verbena incompta P.W.Michael | 82 images |
Verbena macdougalii A.Heller | 19 images |
Verbena menthifolia Benth. | 13 images |
Verbena officinalis L. | 8121 images |
Verbena perennis Wooton | 2 images |
Verbena polyantha (Umber) Moldenke | 2 images |
Verbena pumila Rydb. | 33 images |
Verbena rigida Spreng. | 2035 images |
Verbena stricta Vent. | 392 images |
Verbena tenera Spreng. | 327 images |
Verbena urticifolia L. | 938 images |
Verbena xutha Lehm. | 4 images |
Verbesina alternifolia (L.) Britton ex Kearney | 662 images |
Verbesina encelioides (Cav.) Benth. & Hook.f. ex A.Gray | 543 images |
Verbesina helianthoides Michx. | 23 images |
Verbesina microptera DC. | 41 images |
Verbesina occidentalis Walter | 202 images |
Verbesina virginica L. | 385 images |
Verbesina walteri Shinners | 8 images |
Vernicia fordii (Hemsl.) Airy Shaw | 70 images |
Vernonia baldwinii Torr. | 772 images |
Vernonia gigantea (Walter) Trel. | 25 images |
Vernonia lindheimeri A.Gray & Engelm. | 2 images |
Vernonia marginata (Torr.) Raf. | 10 images |
Vernonia missurica Raf. | 28 images |
Vernonia texana (A.Gray) Small | 10 images |
Veronica agrestis L. | 1671 images |
Veronica anagallis-aquatica L. | 1731 images |
Veronica arvensis L. | 3314 images |
Veronica catenata Pennell | 114 images |
Veronica peregrina L. | 358 images |
Veronica persica Poir. | 14642 images |
Veronica polita Fr. | 2500 images |
Veronica serpyllifolia L. | 3850 images |
Veronica wormskjoldii Roem. & Schult. | 6 images |
Veronicastrum virginicum (L.) Farw. | 1415 images |
Vesper bulbosus (A.Nelson) R.L.Hartm. & G.L.Nesom | 2 images |
Vesper macrorhizus (Buckley) R.L.Hartm. & G.L.Nesom | 18 images |
Viburnum acerifolium L. | 728 images |
Viburnum nudum L. | 271 images |
Viburnum prunifolium L. | 508 images |
Viburnum rafinesqueanum Schult. | 4 images |
Viburnum recognitum Fernald | 66 images |
Viburnum rufidulum Raf. | 243 images |
Vicia americana Muhl. ex Willd. | 99 images |
Vicia caroliniana Walter | 52 images |
Vicia ludoviciana Nutt. | 31 images |
Vicia sativa L. | 14564 images |
Vicia tetrasperma (L.) Schreb. | 723 images |
Vicia villosa Roth | 9044 images |
Vigna luteola (Jacq.) Benth. | 226 images |
Viguiera dentata (Cav.) Spreng. | 110 images |
Villadia squamulosa (S.Watson) Rose | 16 images |
Vinca major L. | 16757 images |
Viola adunca Sm. | 191 images |
Viola canadensis L. | 253 images |
Viola lanceolata L. | 58 images |
Viola nephrophylla Greene | 2 images |
Viola nuttallii Pursh | 36 images |
Viola palmata L. | 19 images |
Viola pedata L. | 174 images |
Viola pedatifida G.Don | 19 images |
Viola pubescens Aiton | 901 images |
Viola sagittata Aiton | 113 images |
Viola septemloba Leconte | 14 images |
Viola sororia Willd. | 1798 images |
Viola tricolor L. | 8552 images |
Viola villosa Walter | 8 images |
Viola walteri House | 7 images |
Visnaga daucoides Gaertn. | 2353 images |
Vitex agnus-castus L. | 6967 images |
Vitex negundo L. | 350 images |
Vitis aestivalis Michx. | 1579 images |
Vitis arizonica Engelm. | 17 images |
Vitis cinerea (Engelm.) Millardet | 2 images |
Vitis mustangensis Buckley | 206 images |
Vitis riparia Michx. | 947 images |
Vitis rotundifolia Michx. | 1644 images |
Vitis rupestris Scheele | 40 images |
Vitis vulpina L. | 1180 images |
Wahlenbergia marginata (Thunb.) A.DC. | 6 images |
Waltheria indica L. | 482 images |
Wedelia acapulcensis Kunth | 22 images |
Wissadula periplocifolia (L.) Thwaites | 5 images |
Wisteria frutescens (L.) Poir. | 1112 images |
Wisteria sinensis (Sims) DC. | 1758 images |
Wolffia brasiliensis Wedd. | 270 images |
Wolffia columbiana H.Karst. | 1 images |
Wolffiella gladiata (Hegelm.) Hegelm. | 1 images |
Woodsia obtusa (Spreng.) Torr. | 18 images |
Woodsia oregana D.C.Eaton | 14 images |
Woodwardia virginica (L.) Sm. | 18 images |
Wyethia arizonica A.Gray | 2 images |
Xanthisma gracile (Nutt.) D.R.Morgan & R.L.Hartm. | 32 images |
Xanthisma texanum DC. | 20 images |
Xanthium orientale L. | 481 images |
Xanthium spinosum L. | 1050 images |
Xanthocephalum gymnospermoides (A.Gray) Benth. & Hook.f. | 3 images |
Xanthorhiza simplicissima Marshall | 65 images |
Xylosma flexuosa (Kunth) Hemsl. | 22 images |
Xyris caroliniana Walter | 9 images |
Xyris difformis Chapm. | 2 images |
Xyris jupicai Rich. | 347 images |
Xyris laxifolia Mart. | 12 images |
Xyris torta Sm. | 7 images |
Yabea microcarpa (Hook. & Arn.) Koso-Pol. | 6 images |
Yeatesia viridiflora (Nees) Small | 3 images |
Youngia japonica (L.) DC. | 1235 images |
Yucca aloifolia L. | 3985 images |
Yucca angustissima Engelm. ex Trel. | 98 images |
Yucca arkansana Trel. | 61 images |
Yucca baccata Torr. | 137 images |
Yucca baileyi Wooton & Standl. | 13 images |
Yucca campestris McKelvey | 16 images |
Yucca constricta Buckley | 26 images |
Yucca elata (Engelm.) Engelm. | 127 images |
Yucca faxoniana (Trel.) Sarg. | 20 images |
Yucca flaccida Haw. | 274 images |
Yucca glauca Nutt. | 168 images |
Yucca harrimaniae Trel. | 27 images |
Yucca madrensis Gentry | 23 images |
Yucca necopina Shinners | 27 images |
Yucca pallida McKelvey | 81 images |
Yucca reverchonii Trel. | 1 images |
Yucca rostrata Engelm. ex Trel. | 586 images |
Yucca rupicola Scheele | 70 images |
Yucca thompsoniana Trel. | 43 images |
Yucca treculiana Carrière | 3 images |
Zannichellia palustris L. | 66 images |
Zanthoxylum americanum Mill. | 255 images |
Zanthoxylum clava-herculis L. | 157 images |
Zanthoxylum fagara (L.) Sarg. | 193 images |
Zea mays L. | 24155 images |
Zeltnera texensis (Griseb.) G.Mans. ex J.S.Pringle | 1 images |
Zephyranthes candida Herb. | 4 images |
Zephyranthes carinata Herb. | 204 images |
Zephyranthes chlorosolen (Herb.) D.Dietr. | 1 images |
Zephyranthes drummondii D.Don | 5 images |
Zephyranthes tubispatha (L'Hér.) Herb. | 19 images |
Zeuxine strateumatica (L.) Schltr. | 49 images |
Zinnia acerosa (DC.) A.Gray | 25 images |
Zinnia anomala A.Gray | 14 images |
Zinnia elegans Jacq. | 5014 images |
Zinnia grandiflora Nutt. | 39 images |
Zizia aurea (L.) W.D.J.Koch | 77 images |
Ziziphus jujuba Mill. | 2769 images |
Zornia latifolia Sm. | 14 images |
Zoysia matrella (L.) Merr. | 41 images |
Zuloagaea bulbosa (Kunth) Bess | 2 images |
Zygophyllum fabago L. | 589 images |