Basionym Name:Amphoridium mastoideum A. Massal., Symmict. Lich.: 82 (1855)
Homotypic synonyms:Verrucaria hochstetteri var. mastoidea (A. Massal.) Clauzade & Cl. Roux, Bull. Soc. bot. Centre-Ouest, Nouv. sér., num. spec. 7: 829 (1985)Verrucaria mastoidea (A. Massal.) Trevis., Conspect. Verruc.: 8 (1860)Verrucaria mastoidea var. mastoidea (A. Massal.) Trevis., Conspect. Verruc.: 8 (1860)