| Generic short diagnoses:
Smooth, scaly or warty, brown to black, fragile ascomycete truffles with hollow, ± folded gleba, clavate to cylindrical asci and large, ornamented, hyaline to yellowish, ellipsoid spores. |
Species example: |

Genea hispidula - DK: håret halvtrøffel - asci and spores |
Photo and © Christian Lange Denmark, CL 1993 |
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