Pío-León, J.F. & Alvarado-Cárdenas, L.O. (2023) Another remarkable new species of Dictyanthus (Apocynaceae, Asclepiadoideae, Asclepiadeae, Gonolobinae) with a long stylar head from Mexico. Phytotaxa 632 (2): 175–183. https://doi.org/10.11646/phytotaxa.632.2.7