| Noun | 1. | genus Discina - a genus of fungi of the family Helvellaceae with a cup-shaped or saucer-shaped fruiting body and ornamented spores fungus genus - includes lichen genera family Helvellaceae, Helvellaceae - family of false morels or lorchels; some are edible and some are poisonous Discina macrospora - a discina with a flat or saucer-shaped fertile body that is brown on the upper surface; has a short stalk; not recommended for eating |