SAHAI, R.; SINHA, A. B. A Supplement to the Aquatic and Swampy Vegetation of Gorakhpur. Indian Forester, [S. l.], v. 94, n. 11, p. 819–821, 1968. DOI: 10.36808/if/1968/v94i11/25950. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/25950. Acesso em: 4 dec. 2025.