Pilocereus fossulatus Labour. in Rev. Hort. (Paris) sér. 4, 4: 24. 1855
Pilocereus fossulatus in Rev. Hort. (Paris) sér. 4, 4: 24. 1855
is basionym for Oreocereus fossulatus in Kakteen-Freund 3: 14. 1934
is basionym for Cleistocactus fossulatus in Chileans 13(43): 30. 1985
is basionym for Borzicactus fossulatus in Cact. Succ. J. (Los Angeles) 32: 59. 1960