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