Checklist of Plants of India

Collema crispum (Huds.) G.H.Web. in F.H.Wigg., Prim. Fl. Holsat 89. 1780; Degelius, Symb. Bot. Upsal. 20(2): 78. 1974; Akhtar & D. Awasthi, Biol. Mem. 5(1): 20. 1980; D. Awasthi, Comp. Macrolich. India, Nepal & Sri Lanka 128. 2007.

Lichen crispus Huds., Fl. Angl. 1: 447 . 1762.

India (Madhya Pradesh, Tamil Nadu and Uttarakhand), Asia, Faroe Islands, North America.