SIMBIANO, F. J.; COUCH, C.; MAGASSOUBA, S.; VAN DER BURGT, X. M.; PLUMMER, J.; CHEEK, M. Keetia tinka & K. kounounkan sp. nov. (Rubiaceae - Vanguerieae) new threatened forest climbers and shrubs of sandstone plateaux of the Republic of Guinea. Webbia, [S. l.], v. 80, n. 2, p. 183–195, 2025. DOI: 10.36253/jopt-19152. Disponível em: https://oaj.fupress.net/index.php/webbia/article/view/19152. Acesso em: 26 nov. 2025.