homotypic synonyms:
Opuntia engelmannii variety cyclodes Engelm. & J.M. Bigelow;
protologue: Contr. U.S. Natl. Herb. 13: 309 (1911)
58 720102 Opuntia cyclodes (Engelm. & J.M. Bigelow) Rose [107 720190 Opuntia engelmannii var. cyclodes Engelm. & J.M. Bigelow]
J. Torrey, Pacif. Railr. Rep., vol. 4 fasicle 3, : t. 8 (1853-1856) [P. Roetter]
Opuntia engelmannii variety cyclodes Engelm. & J.M. Bigelow;
protologue: Contr. U.S. Natl. Herb. 13: 309 (1911)
58 720102 Opuntia cyclodes (Engelm. & J.M. Bigelow) Rose [107 720190 Opuntia engelmannii var. cyclodes Engelm. & J.M. Bigelow]J. Torrey, Pacif. Railr. Rep., vol. 4 fasicle 3, : t. 8 (1853-1856) [P. Roetter]