Taxonomic status: Synonym

homotypic synonyms:
Echinocactus wislizeni f. phoeniceus (R.E.Kunze) Schelle; Echinocactus wislizeni var. phoeniceus R.E.Kunze; Ferocactus wislizeni var. phoeniceus (R.E.Kunze) Y.Itô;

protologue: Cactography : 6 (1926)
URL protologue: https://archive.org/stream/#page/6/mode/2up

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