Estrada Castillón, E., Rebman, J.P., González, C. and Villarreal Quintanilla, J. Ángel 2022.

Astragalus tijuanensis and Astragalus brauntonii var. lativexillum, a new species and a new variety in the genus Astragalus (Fabaceae) from extreme northwestern Baja California, Mexico

. Phytotaxa. 577, 1 (Dec. 2022), 1–13. DOI:https://doi.org/10.11646/phytotaxa.577.1.1.