SUBRAMANYAM, K.; BALAKRISHNAN, N. P.; SAROJA, T. L. The Pteridophytes of Cumbum Valley and Pachakumatchi Hills, Madurai District, Madras State. Nelumbo, [S. l.], v. 3, n. 3-4, p. 209–214, 2024. DOI: 10.20324/nelumbo/v3/1961/76501. Disponível em: https://www.nelumbo-bsi.org/index.php/nlmbo/article/view/76501. Acesso em: 18 may. 2024.