FISCHER, E.; KILLMANN, D.; MEVE, U. Neoschumannia gishwatiensis (Apocynaceae, Asclepiadoideae-Ceropegieae) from Gishwati Forest, Rwanda—a third and new species from a disjunct African genus. Phytotaxa, Auckland, New Zealand, v. 77, n. 2, p. 19–26, 2013. DOI: 10.11646/phytotaxa.77.2.1. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.77.2.1. Acesso em: 5 dec. 2025.