Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Sordariomycetes O.E. Erikss. & Winka (1997)
       Subclass Hypocreomycetidae O.E. Erikss. & Winka (1997)
         Order Hypocreales Lindau (1897)
           Family Clavicipitaceae Earle ex Rogerson (1970)
             Genus Neotyphodium Glenn, C.W. Bacon & Hanlin (1996)