Basionym Name:Arthopyrenia lactea A. Massal., Ric. auton. lich. crost. (Verona): 168, fig. 334 (1852)
Homotypic synonyms:Arthopyrenia cinereopruinosa * lactea (A. Massal.) Jatta, Fl. ital. crypt. (Florence) 3: 875 (1911)Arthopyrenia stigmatella var. lactea (A. Massal.) A. Massal., Symmict. Lich.: 119 (1855)Leiophloea stigmatella var. lactea (A. Massal.) Trevis., Lichenoth. Veneta 1-2: no. 40 (1869)