Hylocereus trigonus (Haw.) Saff. in Annual Rep. U.S. Natl. Mus. 1908: 553, 556. 1909
Hylocereus trigonus in Annual Rep. U.S. Natl. Mus. 1908: 553, 556. 1909
is new combination for Cereus trigonus, Syn. Pl. Succ.: 181. 1812
Hylocereus trigonus in Annual Rep. U.S. Natl. Mus. 1908: 553, 556. 1909
Taxon for this name