Basionym Name:Verrucaria intrusa Nyl., Expos. Synopt. Pyrenocarp.: 43 (1858)
Homotypic synonyms:Polyblastia intrusa (Nyl.) Trevis., Conspect. Verruc.: 14 (1860)Polyblastiopsis intrusa (Nyl.) Zahlbr., Cat. Lich. Univers. 1: 349 (1922)