Homotypic Synonyms See Note

Basionym Name:
Lichen tumidulus Sm., Trans. Linn. Soc. London 1: 82 (1791)

Homotypic synonyms:
Biatorina tumidula (Sm.) A.L. Sm., Monogr. Brit. Lich. 2: 112 (1911)
Patellaria tumidula (Sm.) Wibel, Primit. Fl. Werthem.: 325 (1799)
Porpidinia tumidula (Sm.) Timdal, Biblthca Lichenol. 104: 334 (2010)
Thalloidima tumidulum (Sm.) Szatala, Magy. Bot. Lapok 31: 100 (1932)
Toninia tumidula (Sm.) Zahlbr., Cat. Lich. Univers. 4: 278 (1926)
Toninia tumidula var. tumidula (Sm.) Zahlbr., Cat. Lich. Univers. 4: 278 (1926)