TEIXEIRA, Generosa; MONTEIRO, Ana. Leaf Phytognostic Characters of Six Species of Hypericum L. (Hypericaceae). RA Journal of Applied Research, [S. l.], v. 3, n. 12, p. 1302–1313, 2017. Disponível em: https://rajournals.in/index.php/rajar/article/view/116. Acesso em: 24 oct. 2026.