Erdisia meyenii Britton & Rose, Cactaceae 2: 105. 1920 Erdisia meyenii Britton & Rose, Cactaceae 2: 105. 1920is basionym for Cereus meyenii (Britton & Rose) Werderm. in Backeberg, Neue Kakteen: 79. 1931Taxon for this nameErdisia meyenii Britton & Rose
