Pío-León, Juan Fernando, and Leonardo O. Alvarado-Cárdenas. “Another Remarkable New Species of Dictyanthus (Apocynaceae, Asclepiadoideae, Asclepiadeae, Gonolobinae) With a Long Stylar Head from Mexico”. Phytotaxa 632, no. 2 (December 28, 2023): 175–183. Accessed December 6, 2025. https://phytotaxa.mapress.com/pt/article/view/phytotaxa.632.2.7.