homotypic synonyms:
Cylindropuntia acanthocarpa subspecies major (Engelm. & J.M.Bigelow) U.Guzmán; Grusonia acanthocarpa species (Engelm. & J.M.Bigelow) G.D.Rowley; Opuntia acanthocarpa species Engelm. & J.M.Bigelow;
protologue: Kaktus-ABC : 124 (1935)
6 1139450 Cylindropuntia acanthocarpa (Engelm. & J.M.Bigelow) F.M.Knuth [125 719850 Opuntia acanthocarpa Engelm. & J.M.Bigelow]
J. Torrey, Pacif. Railr. Rep., vol. 4 fasicle 3, : t. 18 (1853-1856) [P. Roetter &!!]
Cylindropuntia acanthocarpa subspecies major (Engelm. & J.M.Bigelow) U.Guzmán; Grusonia acanthocarpa species (Engelm. & J.M.Bigelow) G.D.Rowley; Opuntia acanthocarpa species Engelm. & J.M.Bigelow;
protologue: Kaktus-ABC : 124 (1935)
6 1139450 Cylindropuntia acanthocarpa (Engelm. & J.M.Bigelow) F.M.Knuth [125 719850 Opuntia acanthocarpa Engelm. & J.M.Bigelow]J. Torrey, Pacif. Railr. Rep., vol. 4 fasicle 3, : t. 18 (1853-1856) [P. Roetter &!!]