Suárez-Mota, Mario, and José Villaseñor. “Ecological Niche Overlap Among Species of the Genus Zaluzania (Asteraceae) from the Dry Regions of Mexico”. Plant Ecology and Evolution 153, no. 3 (November 23, 2020): 337-347. Accessed January 27, 2021. https://www.plecevo.eu/index.php/plecevo/article/view/1633.