a phylum of higher fungi, coextensive with the class Ascomycetes. It comprises Hemiascomycetes; Plectomycetes; Pyrenomycetes; Discomycetessac fungi; in some classification systems it is considered a division of the kingdom Fungi.
fungi characterized by the formation of asci and ascospores
The division or phylum of fungi with septate hyphae in which the spores are formed within a sac-like cell called in ascus. Ascomycetes is the vestigial name of a class of sac fungi.