Monographs Details: Zanthoxylum atratum Alain
Authority: Liogier, Alain H. 1971. Novitates Antillanae. IV. Mem. New York Bot. Gard. 21: 107-157.
Family:Rutaceae
Discussion:

Fagara nigrescens Urban & Ekman, Ark. Bot. 22A(8): 53. 1928, non R. E. Fries, 1909.

Zanthoxylum nigrescens (Urban & Ekman) Jimenez, Rhodora 62: 237. 1960.