ISLAM, T.; KHUROO, A. A.; MAITY, D.; NAWCHOO, I. A. Swertia patnitopiansis, a new synonym of S. cordata (Gentianaceae). Phytotaxa, Auckland, New Zealand, v. 664, n. 2, p. 132–138, 2024. DOI: 10.11646/phytotaxa.664.2.5. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.664.2.5. Acesso em: 6 dec. 2025.