Epiphyllum thomasianum var. costaricense (F.A.C.Weber) Kimnach in Cact. Succ. J. (Los Angeles) 37: 168. 1965
Epiphyllum thomasianum var. costaricense in Cact. Succ. J. (Los Angeles) 37: 168. 1965
is new combination for Phyllocactus costaricensis in Bull. Mus. Hist. Nat. (Paris) 8: 463. 1902