Rhodocactus guamacho (F.A.C.Weber) F.M.Knuth, Kaktus-ABC: 97. 1936 ["1935"] Rhodocactus guamacho (F.A.C.Weber) F.M.Knuth, Kaktus-ABC: 97. 1936 ["1935"]is new combination for Pereskia guamacho F.A.C.Weber in Bois, Dict. Hort.: 938-939. 1898Taxon for this nameRhodocactus guamacho (F.A.C.Weber) F.M.Knuth