Platanthera nivea (Nuttall) Luer. Subgenus: Blephariglottis. Section: Gymnadeniopsis. Snowy Orchid, Bog-spike. Phen: May-Sep. Hab: Wet pine savannas, acid seepages. Dist: Essentially a Southeastern Coastal Plain endemic, P. nivea ranges from s. NJ and DE (at least formerly) south to FL and west to e. TX and e. AR; disjunct inland in Coffee County, TN (Eastern Highland Rim) and w. SC (in the uppermost Piedmont in the Blue Ridge Escarpment edge).
ID notes: The flowers are so white as to seem illuminated from within.
Origin/Endemic status: Endemic
Syn: = Ar, ETx1, FNA26, K1, K3, K4, Tn, Brown (2002), Luer (1975); = Gymnadeniopsis nivea (Nutt.) Rydb. – S; = Habenaria nivea (Nutt.) Spreng. – C, F, G, GW1, RAB, Tn, Tx, WH3, Correll (1950)