Homotypic Synonyms See Note

Basionym Name:
Arthopyrenia americana A. Massal., Ric. auton. lich. crost. (Verona): 170 (1852)

Homotypic synonyms:
Anisomeridium americanum (A. Massal.) R.C. Harris, More Florida Lichens, Incl. 10 Cent Tour Pyrenol. (New York): 144 (1995)
Ditremis americana (A. Massal.) R.C. Harris, Some Florida Lichens (New York): 31 (1990)
Leiophloea americana (A. Massal.) Trevis., Conspect. Verruc.: 9 (1860)
Pyrenula americana (A. Massal.) Trevis., Spighe Paglie: 18 (1853)