MACEDO, A.; PESSOA, E.; ALVES, M.

A new species of Spigelia L. sect. Graciles (Loganiaceae) from northeastern Brazil

. Phytotaxa, Auckland, New Zealand, v. 404, n. 4, p. 146–154, 2019. DOI: 10.11646/phytotaxa.404.4.3. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.404.4.3. Acesso em: 6 dec. 2025.