Basionym Name:Lecanora subfusca var. castanea Meyen & Flot., Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur., Suppl. 1 19: 224 (1843)
Homotypic synonyms:Heterothecium castaneum (Meyen & Flot.) Müll. Arg., Jb. Königl. Bot. Gart. Berlin 2: 314 (1883)Lopadium castaneum (Meyen & Flot.) Riddle, Bull. Torrey bot. Club 44(7): 325 (1917)