Kingdom Fungi R.T.Moore (1980) - fungi
Phylum Kickxellomycota Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018)
Class Harpellomycetes Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018) [monotypic]
Order Harpellales Lichtw. & Manier (1978)
Family Legeriomycetaceae Pouzar (1972)
Genus Graminella L. Léger & M. Gauthier ex Manier (1962)
Graminella bulbosaᵀ L. Léger & M. Gauthier ex Manier (1962)