Basionym Name:Arthonia fusispora Almq., K. svenska Vetensk-Akad. Handl., ny följd 17(no. 6): 38 (1880)
Homotypic synonyms:Arthothelium fusisporum (Almq.) Zahlbr., Cat. Lich. Univers. 2: 126 (1922)Mycarthothelium fusisporum (Almq.) Redinger, Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 9(2.1): 179 (1937)