Luis-Martínez, Jaime Cesar, Mario Luna Cavazos, Heike Vibrans, and María Flores-Cruz. “Ecological and Habitat Attributes of the Succulent Species of the Natural Protected Area, Natural Monument Yagul, Oaxaca, Mexico”. Botanical Sciences 98, no. 1 (March 10, 2020): 36-49. Accessed April 1, 2020. http://botanicalsciences.com.mx/index.php/botanicalSciences/article/view/2529.