The Ascomycota are the largest group of fungi, with over 32,000 species. They can be identified by their possession of the ascus, a pod-like container of spores and can also reproduce asexually by segmentation of the hyphae to form conidiospores. Most are mycorrhizal and almost half of the known species form lichens. They range from single cell yeasts through moulds, like Penicillium, to the morels and truffles with their large fruiting bodies.

Subcategories 33

Ambrosia Fungi
Information from Wikipedia on various fungi from the order Ophiostomatales which have a symbiotic relationship with the ambrosia beetle.
Ascomycetes
Account of the Ascomycetes and their anamorphs, with many illustrations and several animations.
Ascomycetes
Notes on this varied group which produce microscopic spores inside special, elongated cells or sacs, known as "asci".
Ascomycota
Information from Wikipedia on this phylum, including classification, biology and reproduction, with photographs.
Bactridium flavum
Photograph of this yellow species.
Coccidioides immitis
Illustrated article by Tom Volk on this fungal pathogen, the cause of coccidioidomycosis.
Coccidioides immitis
Information from Wikipedia on this pathogenic fungus that can cause coccidioidomycosis or Valley Fever.
Corniculariella spina
Photograph of this spiny species growing on a branch.
Delicacies in the Sand or Manna from Heaven?
Article by Tom Volk on desert truffles which are members of the genera Terfezia and Tirmania and are much esteemed as food in the semi-arid regions of Arabia and North Africa.
Faery Cups
Illustrated article by Tom Volk on the different cup fungi from which a faery might choose to sip.
Freshwater Ascomycetes and Their Anamorphs
General information about the group, a referenced database listing the ascomycetes reported from freshwater, and a series of illustrated species profiles.
Index to Ascomycota
List of about 90 sac fungi and their anamorphs, with photographs of each.
Inoperculate Discomycetes of the Netherlands
Stip Helleman’s personal site with species descriptions and pictures of Helotiales, mainly Hyaloscyphaceae, and other ascomycetes and members of the family Cyphellaceae.
LIAS
Provides a global information system for lichenized and non-lichenized ascomycetes.
Moulds in the Home: Cladosporium cladosporioides
Article on this species which can cause unsightly patches on damp walls in houses.
Pezizales in the Pacific Northwest
Provides a key to this group of fungi.
Phoma
Information from Wikipedia on this genus of plant pathogens.
Phoma ligulicola
Photograph of ray blight caused by this pathogen.
Rhytisma acerinum and Rhytisma punctatum
Tom Volk provides photographs and information on these causal agents of tar spot of maple.
Stachybotrys chartarum
Scanning electron microscope image of a conidium and spores.
Truffle-like Fungi in Australia
Photographs and much information on these fungi whose truffle-like fruiting bodies are generally produced underground.

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