Nyctocereus serpentinus (Lag. & Rodr.) Britton & Rose in Contr. U.S. Natl. Herb. 12: 423. 1909
Nyctocereus serpentinus in Contr. U.S. Natl. Herb. 12: 423. 1909
is new combination for Cactus serpentinus in Anales Ci. Nat. 4: 261. 1801
Nyctocereus serpentinus in Contr. U.S. Natl. Herb. 12: 423. 1909