Platanthera flava (Linnaeus) Lindley var. flava . Subgenus: Tulotis. 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. Reported for MD (Longbottom, Naczi, & Knapp 2016).
Origin/Endemic status: Endemic
Taxonomy Comments: See Homoya (1993) for additional discussion of the two taxa usually treated as varieties of P. flava.
Synonymy: = ETx1, FNA26, Il, K1, K3, K4, Mo1, Tn, Va, Brown (2002), Efimov (2016), Luer (1975); = Habenaria flava (L.) R.Br. – Tx; = Habenaria flava (L.) R.Br. var. flava – Ar, C, F, G, RAB, Correll (1950); = Platanthera flava (L.) Lindl.; = Tulotis flava (L.) Senghas; < Habenaria flava (L.) R.Br. – GW1; > Perularia bidentata (Elliott) Small – S; > Perularia scutellata (Nutt.) Small – S; < Platanthera flava (L.) Lindl. – WH3