class - (biology) a taxonomic group containing one or more orders

Erysiphales, order Erysiphales - saprophytic and parasitic fungi that live on plants

order Sphaeriales, Sphaeriales - large order of ascomycetous fungi usually having a dark hard perithecia with definite ostioles; in more recent classifications often divided among several orders

Hypocreales, order Hypocreales - used in some classifications for the family Hypocreaceae

Ascomycota, Ascomycotina, subdivision Ascomycota, subdivision Ascomycotina - a large subdivision of Eumycota including Hemiascomycetes and Plectomycetes and Pyrenomycetes and Discomycetes; sac fungi; in some classification systems considered a division of the kingdom Fungi