Taxonomic status: Synonym

homotypic synonyms:
Discocactus placentiformis (Lehm.) Schumann; Echinocactus placentiformis (Lehm.) Schumann;

protologue: Index Seminum (HBG) 1836: 17 (1826)
URL protologue: https://archive.org/stream/#page/17/mode/2up

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