- Ambrosia Fungi - Information from Wikipedia on various fungi from the order Ophiostomatales which have a symbiotic relationship with the ambrosia beetle.
- Ascochyta Leaf Spot - Photographs and information on various Ascochyta species which infect wheat, barley, oats, rye and many grasses.
- 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 - MicrobeWiki page describes the taxonomy, genome, cell structure and metabolism, and ecology of the sac fungi. Includes photos of representative species.
- Ascomycota - Information from Wikipedia on this phylum, including classification, biology and reproduction, with photographs.
- Bactridium flavum - Photograph of this yellow species.
- Cephalosporium Leaf Stripe - Photographs and information on the fungus Cephalosporium gramineum which is known to affect wheat, barley, oats, rye and grasses.
- Coccidioides immitis - Information from Wikipedia on this pathogenic fungus that can cause coccidioidomycosis or Valley Fever.
- Coccidioides immitis - Illustrated article by Tom Volk on this fungal pathogen, the cause of coccidioidomycosis.
- Corniculariella spina - Photograph of this spiny species growing on a branch.
- Database of Chestnut Mycorrhizae - Provides a searchable facility for identifying ectomycorrhizal fungi, and details of the research being done at the University of Wisconsin into the chestnut blight caused by Cryphonectria parasitica.
- 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.
- Mycorrhizae and the American Chestnut: An Underground Tale of Mystery - This article describes mycorrhizal associations, where the hyphae of a fungus wrap themselves around the roots of a host, in this case the American Chestnut.
- Pezizales in the Pacific Northwest - Provides a key to this group of fungi.
- PezWeb - Dedicated to the study of the Pezizales, provides a great deal of information on this group of fungi.
- Phoma - Information from Wikipedia on this genus of plant pathogens.
- Phoma ligulicola - Photograph of ray blight caused by this pathogen.
- 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.
- Truffle.org - Project aiming to promote truffle research. Includes a tuber directory and a truffle image gallery.
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