Basionym Name:Tomasellia angulosa Müll. Arg., Bot. Jb. 6: 397 (1885)
Homotypic synonyms:Anisomeridium angulosum (Müll. Arg.) R.C. Harris, More Florida Lichens, Incl. 10 Cent Tour Pyrenol. (New York): 144 (1995)