Basionym Name:Lichen diacaspis Sm. & Sowerby, Engl. Bot. 28: tab. 1954 (1809)
Homotypic synonyms:Lecidea lapicida var. diacaspis (Sm. & Sowerby) Hook., Engl. Fl., Mosses, Hepaticae, Lichens, Characeae and Algae (London) 5(1): 179 (1833)Lichen opegraphus * diacaspis (Sm. & Sowerby) Lam., Encycl. Méth. Bot., Suppl. (Paris) 3(2): 407 (1813)