Taxonomic status: Synonym

homotypic synonyms:
Maihueniopsis hypogaea (Werderm.) F. Ritter; Tephrocactus hypogaeus (Werderm.) Backeb.;

protologue: Neue Kakteen 64: 64 (1931)
URL protologue: https://archive.org/stream/#page/64/mode/2up

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