Cereus bridgesii var. longispinus C.A.Maass in Monatsschr. Kakteenk. 15: 119. 1905 Cereus bridgesii var. longispinus C.A.Maass in Monatsschr. Kakteenk. 15: 119. 1905is basionym for Trichocereus bridgesii var. longispinus (C.A.Maass) Borg, Cacti, ed. 1: 138. 1937Taxon for this nameCereus bridgesii var. longispinus C.A.Maass