Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Dothideomycetes O.E. Erikss. & Winka (1997) Order Acrospermales Minter, Peredo & A.T. Watson (2007), incertae sedis [monotypic] Family Acrospermaceae Fuckel (1870) Genus Oomyces Berk. & Broome (1851)