Checklist of Plants of India

Collema rugosum Kremp., Fenzl. Reise Novara, Bot. 1: 128. 1870; Degelius, Symb. Bot. Upsal. 20(2): 150. 1974; Akhtar & D. Awasthi, Biol. Mem. 5(1): 24. 1980; D. Awasthi, Comp. Macrolich. India, Nepal & Sri Lanka 135. 2007.

India (Andaman & Nicobar Islands, Jammu & Kashmir, Manipur, Nagaland, Tamil Nadu, Uttarakhand and West Bengal -hills); widely distributed in Australia, East Africa, Indian Ocean Islands and Pacific Ocean Islands.