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Eriogonum cernuum Nutt.

Nodding buckwheat
12 12 Observations
Polygonaceae
Eriogonum cernuum
Eriogonum cernuum
Eriogonum cernuum
Eriogonum cernuum

Eriogonum heracleoides Nutt.

Parsnipflower buckwheat
101 73 Observations
Polygonaceae
Eriogonum heracleoides
Eriogonum heracleoides
Eriogonum heracleoides
Eriogonum heracleoides

Eriogonum ovalifolium Nutt.

Cushion buckwheat
149 140 Observations
Polygonaceae
Eriogonum ovalifolium
Eriogonum ovalifolium
Eriogonum ovalifolium
Eriogonum ovalifolium

Eriogonum pyrolifolium Hook.

Shasta buckwheat
46 45 Observations
Polygonaceae
Eriogonum pyrolifolium
Eriogonum pyrolifolium
Eriogonum pyrolifolium
Eriogonum pyrolifolium

Eriogonum strictum Benth.

Blue Mountain buckwheat
41 40 Observations
Polygonaceae
Eriogonum strictum
Eriogonum strictum
Eriogonum strictum
Eriogonum strictum

Eriogonum umbellatum Torr.

Sulphur-flower buckwheat
399 378 Observations
Polygonaceae
Eriogonum umbellatum
Eriogonum umbellatum
Eriogonum umbellatum
Eriogonum umbellatum

Fagopyrum esculentum Moench

Buckwheat
5,531 4,457 Observations
Polygonaceae
Fagopyrum esculentum
Fagopyrum esculentum
Fagopyrum esculentum
Fagopyrum esculentum

Fagopyrum tataricum (L.) Gaertn.

Tartary buckwheat
179 144 Observations
Polygonaceae
Fagopyrum tataricum
Fagopyrum tataricum
Fagopyrum tataricum
Fagopyrum tataricum

Oxyria digyna (L.) Hill

Alpine mountainsorrel
393 249 Observations
Polygonaceae
Oxyria digyna
Oxyria digyna
Oxyria digyna
Oxyria digyna

Polygonum aviculare L.

Knotgrass
4,928 3,783 Observations
Polygonaceae
Polygonum aviculare
Polygonum aviculare
Polygonum aviculare
Polygonum aviculare

Polygonum bellardii All.

Narrowleaf knotweed
27 11 Observations
Polygonaceae
Polygonum bellardii
Polygonum bellardii
Polygonum bellardii
Polygonum bellardii

Polygonum bistorta L.

Meadow bistort
17 15 Observations
Polygonaceae
Polygonum bistorta
Polygonum bistorta
Polygonum bistorta
Polygonum bistorta

Polygonum cilinode Michx.

Fringed black bindweed
3 2 Observations
Polygonaceae
Polygonum cilinode
Polygonum cilinode
Polygonum cilinode

Polygonum convolvulus L.

Black bindweed
7 6 Observations
Polygonaceae
Polygonum convolvulus
Polygonum convolvulus
Polygonum convolvulus
Polygonum convolvulus

Polygonum douglasii Greene

Douglas' knotweed
5 4 Observations
Polygonaceae
Polygonum douglasii
Polygonum douglasii
Polygonum douglasii
Polygonum douglasii

Polygonum hydropiperoides Michx.

Swamp smartweed
13 1 Observation
Polygonaceae
Polygonum hydropiperoides
Polygonum hydropiperoides
Polygonum hydropiperoides
Polygonum hydropiperoides

Polygonum lapathifolium L.

Curlytop knotweed
194 146 Observations
Polygonaceae
Polygonum lapathifolium
Polygonum lapathifolium
Polygonum lapathifolium
Polygonum lapathifolium

Polygonum orientale L.

Kiss me over the garden gate
2 2 Observations
Polygonaceae
Polygonum orientale
Polygonum orientale

Polygonum pensylvanicum L.

Pennsylvania smartweed
32 29 Observations
Polygonaceae
Polygonum pensylvanicum
Polygonum pensylvanicum
Polygonum pensylvanicum
Polygonum pensylvanicum

Polygonum persicaria L.

Spotted ladysthumb
1,067 771 Observations
Polygonaceae
Polygonum persicaria
Polygonum persicaria
Polygonum persicaria
Polygonum persicaria

Polygonum raii Bab.

Ray's knotweed
83 19 Observations
Polygonaceae
Polygonum raii
Polygonum raii
Polygonum raii
Polygonum raii

Polygonum tenue Michx.

Pleatleaf knotweed
3 3 Observations
Polygonaceae
Polygonum tenue
Polygonum tenue
Polygonum tenue

Polygonum virginianum L.

Jumpseed
100 71 Observations
Polygonaceae
Polygonum virginianum
Polygonum virginianum
Polygonum virginianum
Polygonum virginianum

Polygonum viviparum L.

Alpine bistort
1 1 Observation
Polygonaceae
Polygonum viviparum

Rheum rhabarbarum L.

Garden rhubarb
522 437 Observations
Polygonaceae
Rheum rhabarbarum
Rheum rhabarbarum
Rheum rhabarbarum
Rheum rhabarbarum

Rumex acetosa L.

Common Sorrel
6,009 4,653 Observations
Polygonaceae
Rumex acetosa
Rumex acetosa
Rumex acetosa
Rumex acetosa

Rumex acetosella L.

Field sorrel
4,747 3,675 Observations
Polygonaceae
Rumex acetosella
Rumex acetosella
Rumex acetosella
Rumex acetosella

Rumex alpinus L.

Munk's rhubarb
1,454 1,055 Observations
Polygonaceae
Rumex alpinus
Rumex alpinus
Rumex alpinus
Rumex alpinus

Rumex aquaticus L.

Western dock
330 214 Observations
Polygonaceae
Rumex aquaticus
Rumex aquaticus
Rumex aquaticus
Rumex aquaticus

Rumex confertus Willd.

Asiatic dock
59 33 Observations
Polygonaceae
Rumex confertus
Rumex confertus
Rumex confertus
Rumex confertus

Rumex conglomeratus Murray

Clustered dock
2,151 1,398 Observations
Polygonaceae
Rumex conglomeratus
Rumex conglomeratus
Rumex conglomeratus
Rumex conglomeratus

Rumex crispus L.

Curly dock
9,556 7,118 Observations
Polygonaceae
Rumex crispus
Rumex crispus
Rumex crispus
Rumex crispus

Rumex dentatus L.

Toothed dock
14 13 Observations
Polygonaceae
Rumex dentatus
Rumex dentatus
Rumex dentatus
Rumex dentatus

Rumex longifolius DC.

Dooryard dock
976 698 Observations
Polygonaceae
Rumex longifolius
Rumex longifolius
Rumex longifolius
Rumex longifolius

Rumex maritimus L.

Golden dock
87 60 Observations
Polygonaceae
Rumex maritimus
Rumex maritimus
Rumex maritimus
Rumex maritimus

Rumex obtusifolius L.

Broad-leaved Dock
12,314 9,949 Observations
Polygonaceae
Rumex obtusifolius
Rumex obtusifolius
Rumex obtusifolius
Rumex obtusifolius

Rumex patientia L.

Patience dock
2,438 1,935 Observations
Polygonaceae
Rumex patientia
Rumex patientia
Rumex patientia
Rumex patientia

Rumex paucifolius Nutt.

Alpine sheep sorrel
11 11 Observations
Polygonaceae
Rumex paucifolius
Rumex paucifolius
Rumex paucifolius
Rumex paucifolius

Rumex salicifolius Weinm.

Willow dock
27 24 Observations
Polygonaceae
Rumex salicifolius
Rumex salicifolius
Rumex salicifolius
Rumex salicifolius

Rumex sanguineus L.

Wood Dock
1,305 1,063 Observations
Polygonaceae
Rumex sanguineus
Rumex sanguineus
Rumex sanguineus
Rumex sanguineus

Rumex stenophyllus Ledeb.

Narrowleaf dock
1 1 Observation
Polygonaceae
Rumex stenophyllus

Rumex venosus Pursh

Veiny dock
13 11 Observations
Polygonaceae
Rumex venosus
Rumex venosus
Rumex venosus
Rumex venosus

Rumex verticillatus L.

Swamp dock
19 15 Observations
Polygonaceae
Rumex verticillatus
Rumex verticillatus
Rumex verticillatus
Rumex verticillatus