Basionym Name:Biatora umbrosa Bagl. ex A. Massal., Symmict. Lich.: 37 (1855)
Homotypic synonyms:Lecidea enteroleuca f. umbrosa (Bagl. ex A. Massal.) Arnold, Flora, Regensburg 67: 558 (1884)Lecidea umbrosa (Bagl. ex A. Massal.) Jatta, Syll. Lich. Ital. (Trano): 329 (1900)Lecidea umbrosa var. umbrosa (Bagl. ex A. Massal.) Jatta, Syll. Lich. Ital. (Trano): 329 (1900)Lecidea vulgata f. umbrosa (Bagl. ex A. Massal.) Zahlbr., Cat. Lich. Univers. 3: 724 (1925)Lecidella umbrosa (Bagl. ex A. Massal.) Hertel, Herzogia 2(4): 502 (1973)