Macrolichens of East Africa (London): 133 (1988).

Basionym: Collema caespitosum Taylor, London J. Bot. 6: 196 (1847).

Protolog type data: Hab. In forests; Uitenhage; Cape of Good Hope; Zeyher, Hook. herb.

Type locality: South Africa, Eastern Cape, ["Cape of Good Hope"* see in "Note"], Uitenhage, in forests, C. L. P. Zeyher, Herbarium Hooker.