Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Dothideomycetes O.E. Erikss. & Winka (1997) Family Pseudoperisporiaceae Toro (1926) Genus Nematostigma Syd. & P.Syd. (1913)