PEZIZALES: epigeous ascocarps with operculate ascus; families: Ascobolaceae, Helvellaceae, Humariaceae, Morchellaceae, Otideaceae, Pezizaceae, Sarcoscyphaceae, Tuberaceae( in its own order, Tuberales).

comparison of an inoperculate ascus with an operculate ascus

Ascospore Discharge in the operculate discomycete, Otidea sp.

(time span: approximately 5 seconds; cloud of spores represents billions of ascospores)

classification system (places icons into orders)

index to genera/species