Taxonomic status: Unresolved

homotypic synonyms:
Echinocactus mammillarioides Hook.; Malacocarpus mammillarioides (Hook.) Britton & Rose; Neoporteria mammillarioides (Hook.) Backeb.;

protologue: Kaktus-ABC : 263 (1935)
URL protologue: https://www.cactuspro.com/lecture/Backeberg-Curt/KaktusABC/page-3.en.html

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