Platanthera bifolia (L.) Rich.
no HD illustration available (m1)
Platanthera bifolia (L.) Rich. [ Orchis bifolia L.] [Orchidaceae]
T.F.L. Nees von Esenbeck, F.KL. Spenner, A. Putterlick, J.X.R. Caspary, Gen. Fl. Germ., vol. 3 (Monocotyledones 2 Cyperaceae etc): (1845)