GILBERT, M. G. Notes on Euphorbia subgenus Euphorbia in Ethiopia. Collectanea Botanica, [S. l.], v. 21, p. 67–77, 1992. DOI: 10.3989/collectbot.1992.v21.94. Disponível em: https://collectaneabotanica.revistas.csic.es/index.php/collectaneabotanica/article/view/94. Acesso em: 1 may. 2024.