VALDERAS, J. M. Historical notes on pre-Linnaean euphorbias. Collectanea Botanica, [S. l.], v. 21, p. 243–253, 1992. DOI: 10.3989/collectbot.1992.v21.103. Disponível em: https://collectaneabotanica.revistas.csic.es/index.php/collectaneabotanica/article/view/103. Acesso em: 1 may. 2024.