GEETHAKUMARY, M.; DEEPU, S.; KISSLING, J.; PANDURANGAN, A.

Revisiting the taxonomy of Exacum courtallense (Gentianaceae) and recognizing E. courtallense var. laxiflorum at the species rank

. Phytotaxa, Auckland, New Zealand, v. 559, n. 2, p. 185–192, 2022. DOI: 10.11646/phytotaxa.559.2.7. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.559.2.7. Acesso em: 6 dec. 2025.