Flora of the Southeastern United States
2022 Edition


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Platanthera dilatata (Pursh) Lindley ex Beck var. dilatata . Subgenus: Limnorchis. White Northern Bog-orchid, Tall White Bog Orchid, Bog Candles. Phen: Jun. Hab: Bogs, marshes, wet meadows, circumneutral to rich fens. Dist: NS south to PA, west to Manitoba, south to n. IL; AK south to CA, east to CO; Iceland and Greenland.

Origin/Endemic status: Native

Syn: = FNA26, K4, NE, NY, Pa; = Piperia dilatata var. dilatata – K3; < Habenaria dilatata – C, F, G; < Platanthera dilatata – Il, Mi, Efimov (2016), Wettewa, Bailey, & Wallace (2020)

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image of plant© Erik Danielson source
image of plant© Ward, Scott
image of plant© Alan Cressler: Platanthera dilatata, Seeps, Lehman Creek Drainage, Great Basin National Park, White Pine County, Nevada 1 by Alan Cressler source
image of plant© Ward, Scott