Nopalxochia ackermannii (Haw.) F.M.Knuth, Kaktus-ABC: 161. 1936 ["1935"] Nopalxochia ackermannii (Haw.) F.M.Knuth, Kaktus-ABC: 161. 1936 ["1935"]is new combination for Epiphyllum ackermannii Haw. in Philos. Mag. Ann. Chem. 6: 109. 1829Taxon for this nameNopalxochia ackermannii (Haw.) F.M.Knuth