Griseocereus griseus (Haw.) Guiggi in Cactology 3: 8. 2012 Griseocereus griseus (Haw.) Guiggi in Cactology 3: 8. 2012is new combination for Cereus griseus Haw., Syn. Pl. Succ.: 182. 1812Taxon for this nameGriseocereus griseus (Haw.) Guiggi