DAVIS, A. P. Six species of Psilanthus transferred to Coffea (Coffeeae, Rubiaceae). Phytotaxa, Auckland, New Zealand, v. 10, n. 1, p. 41–45, 2014. DOI: 10.11646/phytotaxa.10.1.6. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.10.1.6. Acesso em: 1 sep. 2025.