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 Sordariales Chadef. ex D.Hawksw. & O.E. Erikss. (1986) Family Lasiosphaeriaceae Nannf. (1932) Genus Immersiella A.N. Mill. & Huhndorf (2004)