any fungus of the class Ascomycetes (or subdivision Ascomycota) in which the spores are formed inside an ascus
2
n large class of higher fungi coextensive with division Ascomycota: sac fungi n any fungus of the class Ascomycetes (or subdivision Ascomycota) in which the spores are formed inside an ascus
3
a related to or characteristic of fungi of the class Ascomycetes