Flora of the Southeastern United States
2022 Edition

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ORCHIDACEAE

Platanthera grandiflora (Bigelow) Lindley. Subgenus: Fimbriella. Large Purple Fringed Orchid, Plume-royal. Phen: Jun-early Jul. Hab: Bogs, seepages, moist places at high elevations. Dist: NL (Newfoundland) and ON south to NJ, OH, and MI, and south in the mountains to w. NC and ne. GA

Origin/Endemic status: Native

Syn: = Il, K3, K4, NE, NY, Tn, Va; < Blephariglottis grandiflora – S; < Fimbriella psycodes var. grandiflora – Butzin (1981); < Habenaria fimbriata – F, WV; < Habenaria psycodes var. grandiflora – C, G, RAB, Correll (1950); < Platanthera grandiflora – FNA26, K1, Pa, W, Efimov (2016), Luer (1975)

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image of plant© Will Stuart
image of plant© Richard & Teresa Ware