ISSAR, R. K.; UNIYAL, M. R. Orchids of Uttrakhand Himalayas. Indian Forester, [S. l.], v. 93, n. 10, p. 713–716, 1967. DOI: 10.36808/if/1967/v93i10/25709. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/25709. Acesso em: 21 aug. 2025.