| Noun | 1. | Helotiales - order of fungi having asci in a disk-shaped to goblet-shaped apothecium fungus order - the order of fungi family Helotiaceae, Helotiaceae - a fungus family of order Helotiales family Sclerotiniaceae, Sclerotiniaceae - a fungus family of order Helotiales 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 family Geoglossaceae, Geoglossaceae - a family of fungi belonging to the order Helotiales |