GUPTA, S.; KHARE, R.; BAJPAI, O.; RAI, H.; UPRETI, D. K.; GUPTA, R. K.; SHARMA, P. K. Lichen as Bioindicator for Monitoring Environmental Status in Western Himalaya, India. International Journal of Environment, [S. l.], v. 5, n. 2, p. 1–15, 2016. DOI: 10.3126/ije.v5i2.15001. Disponível em: https://www.nepjol.info/index.php/IJE/article/view/15001. Acesso em: 25 may. 2022.