Synonyms
Opuntia polyacantha var. trichophora (Engelm. & J.M.Bigelow) J.M.Coult.
Opuntia missouriensis var. trichophora Engelm. & J.M.Bigelow
Opuntia polyacantha f. trichophora (Engelm. & J.M.Bigelow) Guiggi
Opuntia missouriensis f. trichophora (Engelm. & J.M.Bigelow) Schelle