Definition that contains family helvellaceae
- genus discina a genus of fungi of the family Helvellaceae with a cup-shaped or saucer-shaped fruiting body and ornamented spores
- genus gyromitra a genus of fungi of the family Helvellaceae with a fertile portion that is tan to brown
- lorchel a large fungus of the family Helvellaceae
- false morel a fungus of the family Helvellaceae