MUTHUKUMAR, M.; KUMAR, T. S.; RAO, M. V. Phenology and seed germination of the Indian Screw Tree Helicteres isora L. (Malvales: Malvaceae). Journal of Threatened Taxa, [S. l.], v. 9, n. 12, p. 11040–11044, 2017. DOI: 10.11609/jott.3058.9.12.11040-11044. Disponível em: https://threatenedtaxa.org/JoTT/article/view/3058. Acesso em: 17 may. 2022.