Pío-León, J.F. and 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 (Dec. 2023), 175–183. DOI:https://doi.org/10.11646/phytotaxa.632.2.7.