Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Sordariomycetes O.E. Erikss. & Winka (1997) Subclass Sordariomycetidae O.E. Erikss. & Winka (1997) Order Diaporthales Nannf. (1932) Family Valsaceae Tul. & C.Tul. (1861) see Family Cytosporaceae Fr. (1825) Genus Ditopellina J. Reid & C. Booth (1967)