SINGH, D. P. Indian Ephedras and their Supply. Indian Forester, [S. l.], v. 76, n. 7, p. 288–289, 1950. DOI: 10.36808/if/1950/v76i7/23223. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/23223. Acesso em: 21 aug. 2025.