Basionym Name:Verrucaria pyrenophora var. incavata Nyl., Not. Sällsk. Fauna et Fl. Fenn. Förh., Ny Ser. 1: 242 (1858)
Homotypic synonyms:Thelidium pyrenophorum var. incavatum (Nyl.) Zahlbr., Cat. Lich. Univers. 1: 130 (1921)Verrucaria incavata (Nyl.) Hue, Rev. Bot. 6: 117 (1888)Verrucaria pyrenophora * incavata (Nyl.) Nyl., Lich. Scand. (Helsinki): 273 (1861)