Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Dothideomycetes O.E. Erikss. & Winka (1997) Order Pleosporales Luttr. ex M.E.Barr (1987) Family Massariaceae Nitschke (1869) Genus Decaisnella Fabre (1879)