Kondratyuk, S. Y.; Per-Erik, P.; Hansson, M.; Mishra, G. K.; Nayaka, S.; Liu, D.; Hur, J.-S.; Thell, A. Upretia, a New Caloplacoid Lichen Genus (Teloschistaceae, Lichen-Forming Ascomycota) from India. Cryptogam Biodiversity and Assessment 2017, 22-31.