Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Dothideomycetes O.E. Erikss. & Winka (1997) Family Mesnieraceae Arx & E. Müll. (1975) Genus Mesniera Sacc. & P.Syd. (1902)