Disocactus biformis (Lindl.) Lindl. [ Phyllocactus biformis (Lindl.) Labour.]
no HD illustration available (m1)
Disocactus biformis (Lindl.) Lindl. [ Cereus biformis Lindl.] [Cactaceae]
K.M. Schumann, M Gürke, F. Vaupel, Bl. Kakt., vol. 1 : t. 54 (1900) [Toni Gürke]