| genus helvella | (n) type genus of the Helvellaceae |
| helvella | (n) any fungus of the genus Helvella having the ascocarps stalked or pleated or often in folds |
| helvella acetabulum | (n) a helvella with a cup-shaped fertile body having a brown interior; the stalk is creamy white and heavily ribbed |
| helvellaceae | (n) family of false morels or lorchels; some are edible and some are poisonous, Syn. family Helvellaceae |
| helvella crispa | (n) a helvella with a saddle-shaped fertile part and creamy color; the stalk is fluted and pitted, Syn. miter mushroom |
| helvella sulcata | (n) a helvella with an irregularly convoluted cap that is dark brown when young and becomes dull grey with age; the lower surface of the cap is smooth and pale grey; the stalk is thick and deeply fluted |