Pilosocereus quadricostatus F.Ritter, Kakteen Südamerika 1: 78. 1979
Pilosocereus quadricostatus, Kakteen Südamerika 1: 78. 1979
is basionym for Pilosocereus floccosus subsp. quadricostatus in Succ. Pl. Res. 3: 86. 1994
is basionym for Pseudopilocereus quadricostatus in Calyx 4: 140. 1994