Hysteriales
plural noun
Hys·te·ri·a·les
hə̇ˌstirēˈā(ˌ)lēz
: an order of fungi of the subclass Euascomycetes that is characterized by elongated ascomata opening by a longitudinal slit and includes various fungi which cause leaf cast of conifers see hysteriaceae
Word History
Etymology
New Latin, from Hysterium, genus of fungi + -ales