Basionym Name:Ocellularia dilatata Müll. Arg., J. Linn. Soc., Bot. 30: 452 (1895)
Homotypic synonyms:Chapsa dilatata (Müll. Arg.) Kalb, Biblthca Lichenol. 99: 140 (2009)Pseudochapsa dilatata (Müll. Arg.) Parnmen, Lücking & Lumbsch, PLoS ONE 7(12): e51392, 10 (2012)Thelotrema dilatatum (Müll. Arg.) Hale, Mycotaxon 11(1): 131 (1980)