Basionym Name:Segestria mammillosa Th. Fr., Nova Acta R. Soc. Scient. upsal., Ser. 3 3: 362 (1861)
Homotypic synonyms:Porina mammillosa (Th. Fr.) Zahlbr., Cat. Lich. Univers. 1: 393 (1922)Porina mammillosa var. mammillosa (Th. Fr.) Zahlbr., Cat. Lich. Univers. 1: 393 (1922)Segestrella mammillosa (Th. Fr.) Körb., Parerga lichenol. (Breslau) 5: 325 (1865)Verrucaria mammillosa (Th. Fr.) Nyl., Not. Sällsk. Fauna et Fl. Fenn. Förh., Ny Ser. 5: 292 (1861)Verrucaria mammillosa var. mammillosa (Th. Fr.) Nyl., Lich. Scand. (Helsinki): 292 (1861)