Basionym Name:Pyrenula mastoidea Ach., Mag. Gesell. naturf. Freunde, Berlin 6(1): 16 (1814)
Homotypic synonyms:Clathroporina mastoidea (Ach.) R.C. Harris, More Florida Lichens, Incl. 10 Cent Tour Pyrenol. (New York): 172 (1995)Porina mastoidea (Ach.) Müll. Arg., Bot. Jb. 6: 399 (1885)Porophora mastoidea (Ach.) Spreng., Syst. veg., Edn 16 4(1): 242 (1827)Segestria mastoidea (Ach.) Hellb., Bih. K. svenska VetenskAkad. Handl., Afd. 3 21(no. 13): 132 (1896)