Taxonomic status: Synonym

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

protologue: Abbild. Beschr. Cact. 1: under t. 4. (1839)
URL protologue: https://archive.org/stream/mobot31753000745973#page/4/mode/2up

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