Taxonomic status: Unresolved

homotypic synonyms:
Echinocactus minusculus (Schumann) F.A.C.Weber; Rebutia minuscula Schumann;

protologue: Standard. Pl. Names, ed. 2 : 73 (1942)
URL protologue: https://archive.org/stream/#page/73/mode/2up

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