All Species

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American Cow Parsnip

Heracleum maximum

LC

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American Cow-Wheat

Melampyrum lineare

NE

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American Cranberry

Vaccinium macrocarpon

NE

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American Cress

Barbarea verna

NE

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American Cupped Oyster

Crassostrea virginica

NE

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American Dragon-Head

Dracocephalum parviflorum

NE

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American dragonhead

Physostegia parviflora

NE

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American Eelgrass

Vallisneria americana

LC

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American Ephedra

Ephedra trifurca

LC

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American evergreen

Syngonium podophyllum

NE

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American False Hellebore

Veratrum viride

NE

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American Figwort

Scrophularia lanceolata

NE

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American Fox Sedge

Carex vulpinoidea

LC

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American Ginseng

Panax quinquefolius

NE

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American globeflower

Trollius laxus

LC

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American Glyceria

Glyceria grandis

NE

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American Golden Dock

Rumex fueginus

NE

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American Golden Saxifrage

Chrysosplenium americanum

LC

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American Goldfinch

Spinus tristis

LC

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American Goldthread

Coptis trifolia

NE

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American Gooseberry

Ribes hirtellum

NE

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American Gooseberry

Ribes cynosbati

NE

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American Gooseberry Mildew

Podosphaera mors-uvae

NE

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American Grass-Of-Parnassus

Parnassia glauca

LC

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American Great Bulrush

Schoenoplectus tabernaemontani

LC

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American Hackberry

Celtis occidentalis

LC

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American Hedge-Hyssop

Gratiola neglecta

NE

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American-Hemp

Apocynum cannabinum

NE

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American Hepatica

Hepatica americana

NE

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American Herring Gull

Larus smithsonianus

NE

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American Hog Peanut

Amphicarpaea bracteata

NE

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American Holly

Ilex opaca

LC

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American Hop-Hornbeam

Ostrya virginiana

LC

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American Horseshoe Crab

Limulus polyphemus

NE

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American house dust mite

Dermatophagoides farinae

NE

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American Ivy

Parthenocissus quinquefolia

NE