MicrobeWiki page describes the taxonomy, genome, cell structure and metabolism, and ecology of the sac fungi. Includes photos of representative species.

Presents information about Morchella, along with unorthodox hypotheses about the evolution of the morels.

Descriptions, identification keys, and photographs of Hypoxylon species (Pyrenomycetes: Xylariaceae) in France.

Keys and images of 12 genera of Xylariaceae.

General information about the group, a referenced database listing the ascomycetes reported from freshwater, and a series of illustrated species profiles.

Account of the Ascomycetes and their anamorphs, with many illustrations and several animations.