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 Ophiostomatales Benny & Kimbr. (1980) Family Ophiostomataceae Nannf. (1932) Genus Spumatoria Massee & E.S. Salmon (1901)