Opuntia engelmannii var. cyclodes Engelm. & J.M.Bigelow in Proc. Amer. Acad. Arts 3: 291. 1856
Opuntia engelmannii var. cyclodes in Proc. Amer. Acad. Arts 3: 291. 1856
is basionym for Opuntia cyclodes in Contr. U.S. Natl. Herb. 13(9): 309. 1911
is basionym for Opuntia lindheimeri var. cyclodes in Contr. U.S. Natl. Herb. 3(7): 422. 1896