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asci (A) and ascospores (B) of the fungus Peziza. Scale bar = 0.02mm. (click on image to enlarge it)
Authors: Jon Houseman and Matthew Ford
Source: Wikimedia Commons


The Ascomycota are a large group of fungi and include many plant pathogens. The sexual fruiting bodies (ascocarps) have various shapes but all contain sac-like structure (the asci) which produce ascospores. The group also includes several genera and species which reproduce asexually only. Further, some single-celled groups do not form fruiting bodies, instead the cells develop into asci during sexual reproduction.

Please note that this page only deals with plant pathogens, for beneficial groups of Ascomycota see:

The following groups and classes are here included: