Phyllocactus costaricensis F.A.C.Weber in Bull. Mus. Hist. Nat. (Paris) 8: 463. 1902
Phyllocactus costaricensis in Bull. Mus. Hist. Nat. (Paris) 8: 463. 1902
is basionym for Epiphyllum costaricense in Contr. U.S. Natl. Herb. 16: 256. 1913
is basionym for Epiphyllum thomasianum var. costaricense in Cact. Succ. J. (Los Angeles) 37: 168. 1965
is basionym for Epiphyllum thomasianum subsp. costaricense in Cactaceae Syst. Init. 17: 22. 2003