Platanthera integra (Nuttall) A. Gray ex Beck. Subgenus: Blephariglottis. Section: Gymnadeniopsis. Phen: Jul-Sep. Hab: Wet pine savannas in the Coastal Plain, bogs in the Mountains and Piedmont. Dist: Essentially endemic to the Southeastern Coastal Plain, ranging from s. NJ south to FL and west to se. TX, with disjunct occurrences in TN (Eastern Highland Rim, Cumberland Plateau) and in bogs in the Piedmont and at low elevations of the Blue Ridge of NC. It is apparently now extirpated in the Mountains and Piedmont of NC.
Origin/Endemic status: Endemic
Synonymy: = ETx1, FNA26, K1, K3, K4, Tn, WH3, Brown (2002), Efimov (2016), Luer (1975); = Gymnadeniopsis integra (Nutt.) Rydb. – S; = Habenaria integra (Nutt.) Spreng. – C, F, G, GW1, RAB, Tx, Correll (1950)