Cypripedium clinkaberryanum O’Brien [ Cypripedium youngianum Rolfe]
no HD illustration available (m1)
Cypripedium clinkaberryanum O’Brien [Orchidaceae]
A. Cogniaux, A. Goossens, Dict. Icon. Orchid., vol. 4 (Cypripedium): t. 10 (1896-1907) [A. Goossens]