Cereus strigosus var. longispinus C.A.Maass in Monatsschr. Kakteenk. 15: 119. 1905 Cereus strigosus var. longispinus C.A.Maass in Monatsschr. Kakteenk. 15: 119. 1905is basionym for Trichocereus strigosus var. longispinus (C.A.Maass) Borg, Cacti, ed. 1: 139. 1937Taxon for this nameCereus strigosus var. longispinus C.A.Maass