Morales JF. Studies on Neotropical Apocynaceae XXXII: three new species of Prestonia (Apocynoideae, Echiteae) for South America. An. Jard. Bot. Madr. [Internet]. 2007Dec.30 [cited 2024Apr.20];64(2):147-54. Available from: https://rjb.revistas.csic.es/index.php/rjb/article/view/169