Neolloydia conoidea (DC.) Britton & Rose [ Mammillaria conoidea DC.]
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Neolloydia conoidea (DC.) Britton & Rose [ Mammillaria conoidea DC.] [Cactaceae]
K.M. Schumann, M Gürke, F. Vaupel, Bl. Kakt., vol. 2 : t. 96 (1905) [Toni Gürke]