Opuntia polyacantha f. platycarpa (J.M.Coult.) Toumey & Rose, Stand. Cycl. Hort. 4: 2363. 1916
Opuntia polyacantha f. platycarpa, Stand. Cycl. Hort. 4: 2363. 1916
is new combination for Opuntia missouriensis var. platycarpa in Proc. Amer. Acad. Arts 3: 300. 1856