Mishra, G. K., Shukla, V., Nayaka, S., & Upreti, D. K. (2018). Lichen communities as a tool to map environmental condition in Champawatdistrict of Uttarakhand. Cryptogam Biodiversity and Assessment, 3(01), 07-19. https://doi.org/10.21756/cba.v3i01.13385