Taxonomic status: Synonym

homotypic synonyms:
Echinocactus oxygonus Link; Echinopsis oxygona (Link) Zucc.; Echinopsis oxygona (Link) Zucc. ex Pfeiff. & Otto;

protologue: Allg. Gartenzeitung 1: 365 (1833)
URL protologue: https://archive.org/stream/mobot31753002150396#page/365/mode/2up

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