González-Martínez, C. A., Lozada-Pérez, L., & Alvarado-Cárdenas, L. O. (2019).

Dictyanthus stevensii (Apocynaceae; Asclepiadoideae; Gonolobinae), a new species from Chimalapas region, Oaxaca, Mexico

. Phytotaxa, 394(1), 79–88. https://doi.org/10.11646/phytotaxa.394.1.5