MURUGAN, P.; MURUGAN, C. Taxonomy of Ophiorrhiza pectinata: Indo–Lankan Species with Notes on Lectotypification and Identity of Ophiorrhiza falcata (RUBIACEAE). Phytotaxa, Auckland, New Zealand, v. 490, n. 3, p. 278–284, 2021. DOI: 10.11646/phytotaxa.490.3.6. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.490.3.6. Acesso em: 21 dec. 2025.