Basionym Name:Arthonia subastroidea Anzi, Comm. Soc. crittog. Ital. 2(fasc. 1): 22 (1864)
Homotypic synonyms:Arthothelium subastroideum (Anzi) Rehm, Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 1.3(lief. 34): 441 (1891)