Basionym Name:Arthonia ampliata C. Knight & Mitt., Trans. Linn. Soc. London 23: 106 (1860)
Homotypic synonyms:Arthothelium ampliatum (C. Knight & Mitt.) Müll. Arg., Bull. Herb. Boissier 1(2): 61 (1893)Arthothelium ampliatum var. ampliatum (C. Knight & Mitt.) Müll. Arg., Bull. Herb. Boissier 1(2): 61 (1893)