FRANCK, A. R.; LEWIS, P. A.; OBERLI, A.; HAYNES-SUTTON, A.; ROSE, P. E. .; CAMPBELL, K. C. S. E.

The Jamaican endemic Exostema orbiculatum belongs to Erithalis (Rubiaceae)

. Phytotaxa, Auckland, New Zealand, v. 297, n. 3, p. 273–281, 2017. DOI: 10.11646/phytotaxa.297.3.6. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.297.3.6. Acesso em: 6 dec. 2025.