Opuntia fragilis subsp. brachyarthra (Engelm. & J.M.Bigelow) F.A.C.Weber in Phytologia 51: 374. 1982
Opuntia fragilis subsp. brachyarthra in Phytologia 51: 374. 1982
is new combination for Opuntia brachyarthra in Proc. Amer. Acad. Arts 3: 302. 1856