Basionym Name:Arthopyrenia adnexa Müll. Arg., [as 'adnaex'] Flora, Regensburg 66(19): 304 (1883)
Homotypic synonyms:Anisomeridium adnexum (Müll. Arg.) R.C. Harris, More Florida Lichens, Incl. 10 Cent Tour Pyrenol. (New York): 143 (1995)Leiophloea adnexa (Müll. Arg.) Riedl, Sydowia 16(1-6): 266 (1963)