Amasifuen Guerra, C. A., Delprete, P. G., & Spina, A. P. (2016).

Synopsis of Himatanthus (Apocynaceae, Rauvolfiodieae: Plumerieae) species from Peru

. Phytotaxa, 283(1), 65–73. https://doi.org/10.11646/phytotaxa.283.1.4