Basionym Name:Pyrenula umbonata Ach., Lich. Univ.: 316 (1810)
Homotypic synonyms:Sagedia umbonata (Ach.) Jatta, Syll. Lich. Ital. (Trano): 552 (1900)Segestrella umbonata (Ach.) Körb., Syst. lich. germ. (Breslau): 331 (1855)Segestrella umbonata var. umbonata (Ach.) Körb., Syst. lich. germ. (Breslau): 331 (1855)Segestria umbonata (Ach.) Schaer., Enum. critic. lich. europ. (Bern): 207 (1850)Verrucaria umbonata (Ach.) Garov., Tentam. Dispos. Lich. Langob.: 100 (1865)