Cylindropuntia tetracantha (Toumey) F.M.Knuth [ Opuntia tetracantha Toumey]
no HD illustration available (m1)
Cylindropuntia tetracantha (Toumey) F.M.Knuth [ Opuntia tetracantha Toumey] [Cactaceae]
N.L. Britton, J.N. Rose, Cact., vol. 1 : t. 9 (1919) [Krieger]