Silvia H. Salas-Morales, Jeffrey Chemnick, Timothy J. Gregory
Cactus and Succulent Journal 88 (1), 35-42, (1 January 2016) https://doi.org/10.2985/015.088.0104
KEYWORDS: Dioon, Mexico, cycad, Zamiaceae
Dioon planifolium Salas-Mor. Chemnick & T.J.Greg. is described from northwestern Oaxaca, Mexico. This cycad, which grows in a dry habitat rich in cactus and succulents, is the first to be found in the Mixteca region of Mexico.