no HD illustration available
6 1139450 Cylindropuntia acanthocarpa (Engelm. & J.M.Bigelow) F.M.Knuth [125 719850 Opuntia acanthocarpa Engelm. & J.M.Bigelow]
J.M. Bigelow, Expl. Railroad Mississippi Pacific: t. 18 (1856) [P. Roetter &!!]
no thumbnail 350px available no thumbnail 200px available