no HD illustration available (m2)
16 389802 Epipactis helleborine (L.) Crantz [-1]
T.F.L. Nees von Esenbeck, F.KL. Spenner, A. Putterlick, J.X.R. Caspary, Gen. Fl. Germ., vol. 3 (Monocotyledones 2 Cyperaceae etc): , fig. 16-21 (1845)