Rajaprabu, N., P. Ponmurugan, and G. K. Mishra. “A New Record of Pyrenocarpous Lichen to the Indian Biota”. 2021. Journal of Threatened Taxa, vol. 13, no. 1, Jan. 2021, pp. 17607-10, doi:10.11609/jott.6885.13.1.17607-17610.