Basionym Name:Porphyriospora orbicularis A. Massal., Ric. auton. lich. crost. (Verona): 154 (1852)
Homotypic synonyms:Polyblastia ambrosiana var. orbicularis (A. Massal.) Jatta, Syll. Lich. Ital. (Trano): 563 (1900)Polyblastia orbicularis (A. Massal.) Trevis., Spighe Paglie: 15 (1853)Polyblastia rufa var. orbicularis (A. Massal.) Garov., Tentam. Dispos. Lich. Langob.: 155 (1865)Sporodictyon orbiculare (A. Massal.) Trevis., Conspect. Verruc.: 13 (1860)Staurothele ambrosiana var. orbicularis (A. Massal.) Zahlbr., Cat. Lich. Univers. 1: 162 (1921)Staurothele orbicularis (A. Massal.) Th. Fr., Öfvers. K. Svensk. Vetensk.-Akad. Förhandl. 21: 275 (1865)Staurothele orbicularis f. orbicularis (A. Massal.) Th. Fr., Öfvers. K. Svensk. Vetensk.-Akad. Förhandl. 21: 275 (1865)Staurothele orbicularis var. orbicularis (A. Massal.) Th. Fr., Öfvers. K. Svensk. Vetensk.-Akad. Förhandl. 21: 275 (1865)