Platanthera flava (Linnaeus) Lindley. Subgenus: Tulotis. Southern Rein Orchid, Southern Gypsy-spike. Phen: Mar-Sep. Hab: Shaded wet places, such as swampy forests. Dist: NJ, IN, IL, MO, and OK, south to c. peninsular FL and e. TX; remarkably disjunct in s. NS, where it occurs associated with other disjuncts from the Southeastern Coastal Plain.
Origin/Endemic status: Endemic
Syn: = Habenaria flava – Tx; = Habenaria flava var. flava – Ar, C, F, G, RAB, Correll (1950); = Platanthera flava var. flava – ETx1, FNA26, Il, K1, K3, K4, Mo1, Tn, Va, Brown (2002), Efimov (2016), Luer (1975); < Habenaria flava – GW1; > Perularia bidentata – S; > Perularia scutellata – S; < Platanthera flava – WH3