Collema pulcellum Ach. var. subnigrescens (Müll.Arg.) Degel., Symb. Bot. Upsal. 20(2) : 173. 1974; Akhtar & D. Awasthi, Biol. Mem. 5(1): 23. 1980; D. Awasthi, Comp. Macrolich. India, Nepal & Sri Lanka 135. 2007.
India (Arunachal Pradesh, Himachal Pradesh, Jammu & Kashmir, Madhya Pradesh, Maharashtra, Manipur, Nagaland, Rajasthan, Sikkim, Tamil Nadu, Uttar Pradesh, Uttarakhand and West Bengal); widely distributed in tropical to subtemperate regions of Africa, America and Asia.
