Subarctic America Plants of Subarctic AmericaExplore

Acer glabrum Torr.LC
Least Concern

Rocky Mountain maple
158 139 Observations
Sapindaceae
Acer glabrum
Acer glabrum
Acer glabrum
Acer glabrum

Acer macrophyllum PurshLC
Least Concern

Bigleaf maple
1,139 961 Observations
Sapindaceae
Acer macrophyllum
Acer macrophyllum
Acer macrophyllum
Acer macrophyllum

Acer negundo L.LC
Least Concern

Boxelder
17,038 12,797 Observations
Sapindaceae
Acer negundo
Acer negundo
Acer negundo
Acer negundo

Achillea alpina L.

Chinese yarrow
19 13 Observations
Asteraceae
Achillea alpina
Achillea alpina
Achillea alpina
Achillea alpina

Achillea millefolium L.LC
Least Concern

Common yarrow
25,724 21,394 Observations
Asteraceae
Achillea millefolium
Achillea millefolium
Achillea millefolium
Achillea millefolium

Achillea ptarmica L.LC
Least Concern

Sneezewort
3,454 2,682 Observations
Asteraceae
Achillea ptarmica
Achillea ptarmica
Achillea ptarmica
Achillea ptarmica

Acorus calamus L.LC
Least Concern

Sweet-flag
714 544 Observations
Acoraceae
Acorus calamus
Acorus calamus
Acorus calamus
Acorus calamus

Actaea rubra (Aiton) Willd.

Red baneberry
747 620 Observations
Ranunculaceae
Actaea rubra
Actaea rubra
Actaea rubra
Actaea rubra

Adiantum pedatum L.

Northern maidenhair
605 515 Observations
Pteridaceae
Adiantum pedatum
Adiantum pedatum
Adiantum pedatum
Adiantum pedatum

Adoxa moschatellina L.

Moschatel
785 568 Observations
Viburnaceae
Adoxa moschatellina
Adoxa moschatellina
Adoxa moschatellina
Adoxa moschatellina

Agastache foeniculum (Pursh) Kuntze

Anise hyssop
2,064 1,590 Observations
Lamiaceae
Agastache foeniculum
Agastache foeniculum
Agastache foeniculum
Agastache foeniculum

Ageratina altissima (L.) R.M.King & H.Rob.

White Snakeroot
1,205 948 Observations
Asteraceae
Ageratina altissima
Ageratina altissima
Ageratina altissima
Ageratina altissima

Agoseris aurantiaca (Hook.) Greene

Mountain agoseris
47 45 Observations
Asteraceae
Agoseris aurantiaca
Agoseris aurantiaca
Agoseris aurantiaca
Agoseris aurantiaca

Agoseris glauca (Pursh) Raf.

Prairie agoseris
33 28 Observations
Asteraceae
Agoseris glauca
Agoseris glauca
Agoseris glauca
Agoseris glauca

Agropyron cristatum (L.) Gaertn.

Crested wheatgrass
126 104 Observations
Poaceae
Agropyron cristatum
Agropyron cristatum
Agropyron cristatum
Agropyron cristatum

Agrostemma githago L.

Common Corncockle
4,245 3,526 Observations
Caryophyllaceae
Agrostemma githago
Agrostemma githago
Agrostemma githago
Agrostemma githago

Agrostis canina L.LC
Least Concern

Velvet bent
50 32 Observations
Poaceae
Agrostis canina
Agrostis canina
Agrostis canina
Agrostis canina

Agrostis capillaris L.

Common Bent
1,833 1,402 Observations
Poaceae
Agrostis capillaris
Agrostis capillaris
Agrostis capillaris
Agrostis capillaris

Agrostis exarata Trin.

Spike redtop
11 6 Observations
Poaceae
Agrostis exarata
Agrostis exarata
Agrostis exarata
Agrostis exarata

Agrostis gigantea Roth

Redtop
165 112 Observations
Poaceae
Agrostis gigantea
Agrostis gigantea
Agrostis gigantea
Agrostis gigantea

Agrostis mertensii Trin.

Northern bent
10 9 Observations
Poaceae
Agrostis mertensii
Agrostis mertensii
Agrostis mertensii
Agrostis mertensii

Agrostis microphylla Steud.

Small-leaf bent
2 2 Observations
Poaceae
Agrostis microphylla
Agrostis microphylla

Agrostis scabra Willd.

Tickle grass
2 2 Observations
Poaceae
Agrostis scabra
Agrostis scabra

Agrostis stolonifera L.LC
Least Concern

Spreading bent
401 263 Observations
Poaceae
Agrostis stolonifera
Agrostis stolonifera
Agrostis stolonifera
Agrostis stolonifera

Agrostis vinealis Schreb.

Brown bent
24 19 Observations
Poaceae
Agrostis vinealis
Agrostis vinealis
Agrostis vinealis
Agrostis vinealis

Alchemilla alpina L.

Alpine lady's-mantle
1,724 1,297 Observations
Rosaceae
Alchemilla alpina
Alchemilla alpina
Alchemilla alpina
Alchemilla alpina

Alchemilla filicaulis Buser

Hairy lady's-mantle
53 43 Observations
Rosaceae
Alchemilla filicaulis
Alchemilla filicaulis
Alchemilla filicaulis
Alchemilla filicaulis

Alchemilla glabra Neygenf.

Smooth lady's-mantle
179 126 Observations
Rosaceae
Alchemilla glabra
Alchemilla glabra
Alchemilla glabra
Alchemilla glabra

Alisma plantago-aquatica L.LC
Least Concern

Water-plantain
1,912 1,393 Observations
Alismataceae
Alisma plantago-aquatica
Alisma plantago-aquatica
Alisma plantago-aquatica
Alisma plantago-aquatica

Alisma triviale PurshLC
Least Concern

Northern water-plantain
35 31 Observations
Alismataceae
Alisma triviale
Alisma triviale
Alisma triviale
Alisma triviale

Allium fistulosum L.

Spring Onion
661 568 Observations
Amaryllidaceae
Allium fistulosum
Allium fistulosum
Allium fistulosum
Allium fistulosum

Allium vineale L.

Wild garlic
3,524 2,956 Observations
Amaryllidaceae
Allium vineale
Allium vineale
Allium vineale
Allium vineale

Alnus incana (L.) MoenchLC
Least Concern

Grey alder
2,652 1,941 Observations
Betulaceae
Alnus incana
Alnus incana
Alnus incana
Alnus incana

Alopecurus aequalis Sobol.LC
Least Concern

Orange foxtail
136 84 Observations
Poaceae
Alopecurus aequalis
Alopecurus aequalis
Alopecurus aequalis
Alopecurus aequalis

Alopecurus arundinaceus Poir.LC
Least Concern

Creeping foxtail
36 30 Observations
Poaceae
Alopecurus arundinaceus
Alopecurus arundinaceus
Alopecurus arundinaceus
Alopecurus arundinaceus

Alopecurus geniculatus L.

Marsh foxtail
131 89 Observations
Poaceae
Alopecurus geniculatus
Alopecurus geniculatus
Alopecurus geniculatus
Alopecurus geniculatus

Alopecurus pratensis L.

Meadow foxtail
2,938 2,248 Observations
Poaceae
Alopecurus pratensis
Alopecurus pratensis
Alopecurus pratensis
Alopecurus pratensis

Alyssum alyssoides (L.) L.

Small alison
1,143 731 Observations
Brassicaceae
Alyssum alyssoides
Alyssum alyssoides
Alyssum alyssoides
Alyssum alyssoides

Amaranthus albus L.

Prostrate pigweed
522 391 Observations
Amaranthaceae
Amaranthus albus
Amaranthus albus
Amaranthus albus
Amaranthus albus

Amaranthus blitoides S.Watson

Mat Amaranth
520 361 Observations
Amaranthaceae
Amaranthus blitoides
Amaranthus blitoides
Amaranthus blitoides
Amaranthus blitoides

Amaranthus retroflexus L.

Reflexed amaranth
8,526 6,369 Observations
Amaranthaceae
Amaranthus retroflexus
Amaranthus retroflexus
Amaranthus retroflexus
Amaranthus retroflexus

Ambrosia artemisiifolia L.

Annual ragweed
5,009 3,979 Observations
Asteraceae
Ambrosia artemisiifolia
Ambrosia artemisiifolia
Ambrosia artemisiifolia
Ambrosia artemisiifolia

Ambrosia chamissonis Greene

Silver bur ragweed
136 127 Observations
Asteraceae
Ambrosia chamissonis
Ambrosia chamissonis
Ambrosia chamissonis
Ambrosia chamissonis
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