Gymnocalycium platense (Speg.) Britton & Rose [ Echinocactus quehlianus F.Haage ex H.Quehl]
no HD illustration available (m1)
Gymnocalycium platense (Speg.) Britton & Rose [ Echinocactus platensis Speg.] [Cactaceae]
K.M. Schumann, M Gürke, F. Vaupel, Bl. Kakt., vol. 2 : t. 105 (1905) [Toni Gürke]