Cephalanthera longifolia (L.) Fritsch [ Epipactis pallens Sw.]
no HD illustration available (m1)
Cephalanthera longifolia (L.) Fritsch [ Serapias longifolia L.] [Orchidaceae]
G.C. Oeder, Fl. Dan., vol. 8 fasicle 24, : t. 1400 (1806-1810)