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12 485763 Gymnocalycium hyptiacanthum (Lemaire) Britton & Rose [80 369366 Echinocactus netrelianus Monv. ex Labour.]
K.M. Schumann, M Gürke, F. Vaupel, Bl. Kakt., vol. 1 : t. 39b (1900) [Toni Gürke]
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