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 Coronophorales Nannf. (1932) Family Nitschkiaceae Nannf. (1932) Genus Groenhiella Jørg. Koch, E.B.G.Jones & S.T. Moss (1983)