Ram, T.A.M.J. & Sinha, G.P. (2016)

A world key to Cryptothecia and Myriostigma (Arthoniaceae), with new species and new records from the Andaman and Nicobar Islands, India

. Phytotaxa 266 (2): 103–114. https://doi.org/10.11646/phytotaxa.266.2.4