Stenocactus phyllacanthus (Mart.) A. Berger ex A.W. Hill [ Echinocactus phyllacanthus Mart.]
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Stenocactus phyllacanthus (Mart.) A. Berger ex A.W. Hill [ Echinocactus phyllacanthus Mart.] [Cactaceae]
L.K.G. Pfeiffer, F. Otto, Abbild. Beschr. Cact. (Coloured version), vol. 1 : p. 9, t. 9 (1839)