no HD illustration available (m2)
6 389802 Epipactis helleborine (L.) Crantz [125 939912 Serapias helleborine L.]
J.B.P.A. de Monet de Lamarck, J.L.M. Poiret, Tabl. Encycl., vol. 3 (tt, 501-750): t. 728, fig. 2 (1823) [J.E. de Seve]