Hymenomycetes, the subdivision of the basidiomycetes in which the fruiting surface is exposed before the spores are ripe.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
All the fungi which are definitely known to produce light belong to the basidiomycetes, the largest and most highly developed of the true fungi.
"The Nature of Animal Light"
E. Newton Harvey