| Zanthoxylum peninsulare Brandegee, 1906 |
| Zanthoxylum pringlei S. Watson, 1891 |
| Zanthoxylum procerum Donn. Sm., 1897 |
| Zanthoxylum purpusii Brandegee, 1909 |
| Zanthoxylum quassiifolium (Donn. Sm.) Standl. & Steyerm., 1946 |
| Zanthoxylum rhoifolium Lam., 1786 |
| Zanthoxylum riedelianum Engl., 1874 |
| Zanthoxylum riedelianum subsp. kellermanii (P. Wilson) Reynel ex C. Nelson, 2008 |
| Zanthoxylum riedelianum subsp. mayanum (Standl.) Reynel, 2017 |
| Zanthoxylum schreberi (J.F. Gmel.) Reynel, 2015 |
| Zanthoxylum sonorense Lundell, 1940 |
| Zanthoxylum suaveolens Lundell, 1938 |
| Zanthoxylum tenuipes Standl., 1926 |
| Zanthoxylum trichilioides Standl., 1930 |
| Zanthoxylum xicense Miranda, 1946 |