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• A Plain and Easy Account of British Fungi, by M.C. Cooke
• A practical guide to mycorrhiza
• A Strategy for an All-Taxa Inventory of Fungal Biodiversity
• A Treatise on the Esculent Funguses of Britain, by C.D. Badham
• Abbey Lane Laboratory LLC
• Accugenix (Acculab)
• African Mycological Association
• Agaricales of Costa Rican Quercus forests
• Agaricales of Java and Bali
• Agaricales of the Hawaiian Islands
• Agarics.org
• Agricultural Research Service Culture Collection (NRRL)
• Agriculture Canada Eastern Cereals & Oilseeds Research Centre
• Airborne fungal spores
• Amanitabear
• American Bryological and Lichenological Society
• American Mold Abatement
• American Mushroom Hunter
• American Mushroom Institute
• American Phytopathological Society
• American Society of Plant Taxonomists
• American Type Culture Collection (ATCC)
• Ananet
• Anateleo
• Antonie van Leeuwenhoek
• Application of pure cultures in systematic research of basidiomycetes, polypore genera Amyloporia and Antrodia as examples
• Applied and Environmental Microbiology
• Arizona Mushroom Club (USA)
• Armillaria
• Arnoldia
• ARS Biocontrol of Plant Diseases Laboratory
• ARS Cereal Disease Laboratory
• ARS Collections of Entomopathogenic Fungi (ARSEF)
• ARS Plant Protection Research Unit
• ARS Systematic Botany and Mycology Lab
• Arthur Herbarium
• Ascomycete Research group of Oslo
• ASM: Medical Mycology Division
• Asociación Micolóxica Cogumelo (Spain)
• Aspergillus website
• Associació Micològica Joaquim Codina (Spain)
• Association of British Fungus Groups (U.K.)
• Association of Systematics Collections
• Associazione Micologica Bresadola (Italy)
• Australasian Mycological Society
• Australasian Plant Pathology Society
• Australian Mycotoxin Newsletter
• Authors of Fungal Names
• Balogh Scientific Books
• Banque Européenne des Glomales (BEG)
• Basidiomycete phylogeny
• Basidiomycetes of the Greater Antilles
• Belgian Co-ordinated Collections of Micro-organisms (BCCM)
• Berbee's Fungal Evolution Lab
• Berkshire Mycological Society (USA)
• Bio-aware
• Bio-Organics Supply Center
• Biocode
• Biodiversity and Conservation
• Biodiversity of Mediterranean Lichens
• Biological and environmental electronic journals
• Biological Control Virtual Information Center
• Biologische Pilze
• Biologische Pilze
• Biologists' Control Panel
• Biology of Filamentous Fungi
• Biology of Mycorrhizas
• BioNet-International
• BIOSCI Electronic Newsgroup Network
• BioVam Mycorrhizal root and soil inoculant
• Björn Nordén's web pages
• Boletes of California
• Bongui
• Boston Mycological Club (USA)
• Brazilian culture collections of fungi and yeasts
• Brazilian Fungi
• British Antarctic Survey Herbarium (AAS)
• British Columbia Ectomycorrhizal Research Network
• British Lichen Society
• British Mycological Society
• British Society for Plant Pathology
• Bruns Lab web pages
• Building Air Quality Investigation
• Butterflies of the Soil
• CABI Bioscience Databases
• CABRI
• Caliciales
• California Lichen Society
• Canadian Collection of Fungal Cultures (CCFC)
• Canadian Journal of Botany
• Canadian Phytopathological Society
• Candida albicans information
• Candida News
• Candidiasis
• Canine Detectives LLC
• Caps and Stems
• Caribbean Mycorrhizal Research Net (CARIVAM)
• Cascade Mycological Society (OR, USA)
• Center for Disease Control
• Centex Naturalist
• Centraalbureau voor Schimmelcultures (CBS)
• Central New York Mushrooms
• Central New York Mycological Society (USA)
• Cercle des Mycologues Amateurs de Québec
• Cercle des Mycologues de Montréal (Canada)
• Cercle mycologue de Condroz
• Cereal Pathology
• Champilor: le monde des champignons en Lorraine
• Changshan Baoxin fruit,vegetable and mushroom Co.
• Chapela Lab
• Checklist of Lichens of North America
• Checklists of lichens and lichenicolous fungi
• Choice Edibles
• Chytrid fungi online
• Clamp Connexions
• Collectio Micro- et Macromycetum (BP)
• Collection Managers Online
• Collybia
• Colorado Mycological Society (USA)
• Colour Atlas of Ectomycorrhizae
• Common tree diseases of British Columbia
• Comparative studies on the macrofungi of China and eastern North America
• Concise Descriptions of North American Ectomycorrhizae
• Conserved plant names: proposals and disposals
• Cooperative Research Centre for Tropical Plant Protection
• Coprinus
• Cornell Center for Fungal Biology
• Cornell Plant Pathology Herbarium (CUP)
• Cortbase: nomenclature of corticioid fungi
• Crop and Food Research: the edible fungi group
• CropKing
• Cryptogams in Depth
• Culture Collection of Basidiomycetes (CCBAS)
• CyberTruffle's Fungal Valhalla
• Czech Collection of Fungi (CCF)
• Danish Mycological Society
• Danish Technical University Mycology lab
• Dark Forest Farms
• David Fischer's Web Pages
• David Largent's web pages
• David Porter's laboratory
• David Sylvia's web resources
• Deep Hypha website
• DELTA
• Dennis Desjardin's web pages
• Der Tintling
• Dermatology Online Atlas
• Dermatophytes
• DERMBASE: names of Dermateaceae
• Deutsche Gesellschaft für Mykologie e.V. (Germany)
• Diaporthales
• Dictionary of the Fungi
• dictyBase
• DieHard Mycorrhizal Inoculants
• Digital Diagnostic Systems
• Digital Exsiccate of Fungi
• Dimorphic Basidiomycetes
• Distribution Maps of Fungi of Georgia
• Distribution Maps of Fungi of the Caribbean
• Distribution Maps of Ukrainian Fungi
• Dr. Fungus
• Dr. Machiel E. Noordeloos' Website
• Duin's Folly #1: Paddestoelen
• Duke Forest Microbial Observatory
• Duke University Mycology Research Unit (DUMRU)
• Dutch Herbaria: catalog of type specimens
• Dutch Mushroom Photographs
• Earthy Delights
• East Coast Exotic Mushrooms
• Edible and Poisonous Mushrooms
• Edible LC
• Edible Wild Mushrooms of North America: a field to kitchen guide
• Effects of air pollution and forest regeneration methods on the community structure of ectomycorrhizal fungi
• Electronic Image Management Guide
• Entomopathogenic Fungi Database
• Environmental Microbiology Laboratory
• EnviroVillage
• Eric Dannell's Lab
• Euronature a.s.b.l.: Champignons
• European Journal of Plant Pathology
• European Mycological Association
• Evansia
• Everbloom Mushroom Farm
• Evgenia V. Bogomolova, personal homepage
• Evolution of Morel Mushrooms
• Expert Center for Taxonomic Information (ETI)
• Fédération des associations mycologiques méditerranéennes (FAMM)
• Farlow Herbarium (FH)
• FEMS Yeast Research
• Flammulina web page
• FloraMap
• Florida Mycology Research Center
• Foliicolous lichens and their lichenicolous fungi
• Forest Mycology and Mycorrhiza Research Team
• Forest Mycology and Mycorrhiza Research Team, Mycology Research Herbarium (OSUF)
• Forest Mycology Team, USFS
• Forest Pathology
• Forest Pathology and Control, Sir Sanford Fleming College, Canada
• Forest Pathology Herbarium (DAVFP)
• Forsburg Lab pombe pages
• Freaky Fungus
• Fred Spiegel's web pages
• Freshwater Ascomycetes and their Anamorphs
• Fritschiana
• Full Cycle Farms
• Fun Facts about Fungi
• Fun Guy Farm
• Fungal Contamination in Public Buildings: a guide to recognition and management
• Fungal Cultures, University of Göteborg (FCUG)
• Fungal Diversity Press
• Fungal Diversity Research Project
• Fungal Forum
• Fungal Genetics Stock Center (FGSC)
• Fungal Genome Initiative
• Fungal Genome Resource
• Fungal infections
• Fungal Mitochondrial Genome Project
• FungalWeb
• Fungi at Manhattan College and the College of Mt. St. Vincent
• Fungi Images on the Net
• Fungi in Buildings
• Fungi in Finland and in Sweden
• Fungi of Australia
• Fungi of Poland
• Fungi of Southern England
• Fungi of the Kaimai Bush
• Fungi of the Week
• Fungi Perfecti
• FungiFlora
• Fungimap
• Fungus Among Us
• Fungus Among Us Mushroom Farm
• FUNGUS home page
• Fungus.org.uk
• FunIndex
• Fusarium
• Fusarium Internotes
• FusKey
• Garden City Fungi
• Genealogy of North American mycologists
• Genera of Bionectriaceae, Hypocreaceae and Nectriaceae (Hypocreales, Ascomycetes)
• George Barron's website
• German Collection of Microorganisms and Cell Cultures (DSMZ)
• German Society for Medical Mycology
• Gesellschaft für Mykologie und Lichenologie e.V., Sektion Mykologie der Deutschen Botanischen Gesellschaft (Germany)
• Glossary of Technical Terms in Plant Pathology
• Goritas
• Gourmet Mushrooms and Mushroom Products
• GPDATA: Soil-borne fungi
• Grampian Fungus Group (U.K.)
• Greg Thorn's web pages
• Growing Mushrooms with Hydrogen Peroxide
• Grupo Micológico "Caesaraugusta" (Spain)
• Gruppo Micologico G. Bresadola (Italy)
• Gruppo Micologico G. Camisola (Italy)
• Gruppo Micologico-Naturalistico (Italy)
• Guia dels principals bolets de Menorca
• Gulf States Mycological Society (USA)
• Heavy Metals in Wild Mushrooms
• Herbarium Hamburgense (HBG)
• Herbarium Pacificum (BISH), Bishop Museum
• Histoplasmosis in Mexico
• Hongos: criaturas de otros reinos
• Hongos de Veracruz
• Hynes-Davis Lab
• Hypomyces
• I funghi dell'Alto Jonio
• Igor Malcevski's Home Page
• Il Genere Boletus
• Illinois Mycological Association
• Images of Orbiliomycetes (Ascomycota)
• IMI descriptions of Fungi and Bacteria
• Immuno-Mycologics, Inc.
• In the Company of Mushrooms: a biologist's tale
• Independent Mushroom Growers' Network
• Index Fungorum
• Index Herbariorum
• Index Nominum Genericorum (Plantarum)
• Index to American Botanical Literature
• Index to biological journals
• Index to illustrations in The Mycologist and Field Mycology
• Index to Plantae Graecenses
• Indoor Air Solutions
• Infection, Genetics and Evolution
• Infoforum Schimmelpilz
• Inocybe Web
• Inst. Venezolano de Investigaciones Cientificas (IVIC) Mycology Lab
• Institute for Fermentation Culture Collection (IFO)
• Institute of Microbiology
• Instituto de Genetica Forestal
• International Association for Plant Taxonomy
• International Association of Botanical and Mycological Societies (IABMS)
• International Association of Lichenologists
• International Code of Botanical Nomenclature
• International Conference on Mycotoxins
• International Culture Collection of Arbuscular and VA Mycorrhizal Fungi (INVAM)
• International Mycological Association (IMA)
• International Plant Names Index
• International Soceity for Human and Animal Mycology
• International Society for Human and Animal Mycology
• International Society for Mushroom Science
• International Society for Plant Pathology
• International Society for Plant Pathology
• International Union of Microbiological Societies (IUMS)
• Irish Potato Famine
• ISPP World Directory of Plant Pathologists
• IUPAC Mycotoxin Newsletter
• Japanese Society for Cordyceps research
• Jim's Mushroom Slides Homepage
• John C. Tacoma Mushroom Slide Collection
• John Taylor's lab
• Jordstjaernan
• Journees Europeennes du Cortinaire
• Kanto Branch of the Mycological Society of Japan
• Kaw Valley Mycological Society (USA)
• Kenya Fungi
• Kew Royal Botanic Gardens, Mycology
• Key to Cortinarius subg. Dermocybe
• Key to Parmelia of Great Britain and Ireland
• Key to Tricholoma of Quebec
• Kinoko-ya: portraits of mushrooms from Japan
• Kisatchie Mushrooms
• Klironomos Lab
• Koeltz Scientific Books
• Kriebel Herbarium
• L' Association Cantonale Valaisanne de Mycologie
• L'Association Mycologique de Toulouse (France)
• L'intuition de la matière chez les mycologues
• La web dels Bolets
• Laboratory of Biochemistry of Wood-rotting Fungi
• Laccaria in North America
• Lactarius in Sweden
• Latin American Association for Mycology
• Le Cercle de Mycologie de Mons (Belgium)
• Leif Ryvarden's homepage
• LesChampignons
• LIAS
• Libri Fungorum
• Lichen research at the Smithsonian Institute
• LichenLand
• Lichenological Society of Japan
• Lichenologist Directory
• Lichenologists and Mycologists directory
• Lichenology in the Netherlands
• Lichens at Minnesota
• Lichens: Keys
• Lichens of North America
• Lichens of the National Parks (USA)
• Lichens of the Ozarks
• LICHENS-L
• Lindbergia
• Linköpings Svampklubb (Sweden)
• Lisa Vaillancourt's lab
• Los Angeles Mycological Society (USA)
• Lost Creek Mushroom Farm
• LUBILOSA
• Lubrecht and Cramer, booksellers
• MA Herbarium fungus types
• Mactode Publications
• Magic Mushroom Lamps and Waterfalls
• Magic Mushrooms Growers Guide
• Magic Mushrooms of Australia and New Zealand
• Magical Mushrooms and Mystical Molds
• Magical Mushrooms, Mischievous Molds
• Maine Mycological Association (USA)
• Malawi Fungi
• Mapping of Macromycetes in Norway
• Marie Heerkens' Mushroom Art Gallery
• Marko Vitas' home page
• Matchmaker: Mushrooms of the Pacific Northwest
• Matsushima Mycological Memoirs no. 8
• MATSUTAKE MUSHROOM HOME PAGE
• Matsutake mushroom news and information (Winema National Forest, USA)
• Medical and Veterinary Mycology
• Medical Mycology
• Medical Mycology Society of the Americas (MMSA)
• Medicinal Mushrooms of the Highlands
• Meredith Blackwell's home page
• Meredith Blackwell's Lab
• Michael J. Wingfield's pages
• Michael Kuo's website
• Michigan Morels
• Michigan Morels
• Michigan Mushroom Hunters' Club (USA)
• MICO-IT
• Micoloxia
• Micoloxia do Oriente Ourenesan
• Micro-Fungi, by Thomas Brittain
• Microair
• Microbes.info
• Microbial Germplasm Database
• Microbial Information Network of China
• Microbial Strain Data Network (MSDN)
• Microbial Strain Data Network: mushroom databases
• Microbotryum violaceum tetrad page
• Microfungal home page
• Microfungi Exsiccati
• Mid Yorkshire Fungus Group
• MIPS Ustilago maydis database
• MiraVista Diagnostics
• Modern Mushroom Farms
• Mold and Bacteria Consulting Service
• Mold Inspector
• MOLDetect
• Molecular Plant Pathology On-line
• Molecular Plant-Microbe Interactions
• Monterey Mushrooms
• Morel Heaven
• Morel Mania
• Morel Mushroom Hunting Club
• Morels and More
• Morels.com
• Mostly Mushrooms
• Moulds: their isolation, cultivation and identification
• MSA Bulletin Board (MSAPOST)
• Museo Micologico
• Mushroom Adventures
• Mushroom and lichen photographs of James Hilliard
• Mushroom Experiment Station
• Mushroom Experimental Station
• Mushroom Garden
• Mushroom Garden
• Mushroom Growers' Newsletter
• Mushroom Heaven
• Mushroom identification cards
• Mushroom John's Shroomworld
• Mushroom Production and the Environment
• Mushroom site
• Mushroom the Journal
• Mushroom Toxins
• MushroomExpert.com
• Mushroompeople
• Mushrooms and Light: the nature photographer's guide to photographing mushrooms
• Mushrooms and Magic
• Mushrooms and Mankind
• Mushrooms and other fungi of Thrace, Greece
• Mushrooms and Toadstools of the Hampshire and Surrey borders
• Mushrooms.com
• Mushrooms of Massachusetts
• Mushrooms of North Carolina
• Mushrooms of Northeastern North America
• Mushrooms of Sunset Blvd.
• Mushrorama
• My secret garden
• Mycelium
• Mycelium Fruits
• Mycena Page
• Mycenas of Norway
• Mycobag
• Mycobase (LCP)
• MycoElectronica
• MycoFactory
• MycoInfo
• MycoKey
• Mycologia
• Mycologica Balcanica
• MycoLogical
• Mycological Association of Italy
• Mycological Association of Washington, D.C.
• Mycological Progress
• Mycological Research
• Mycological Society of America
• Mycological Society of San Francisco (USA)
• Mycological Society of Toronto (Canada)
• Mycological voice from the past: Hadrianus Junius
• Mycologue
• Mycologue Publications
• Mycology class at Arizona State University
• Mycology class at Oregon State University
• Mycology class at Towson University
• Mycology classes at Humboldt University
• Mycology Course at the University of Illinois at Urbana/Champaign
• Mycology Net
• Mycology Online
• Mycology Research Group
• Mycomania
• Myconet
• Myconet Umeå
• Mycopathologia
• Mycophiles
• Mycorama
• Mycorrhiza
• Mycorrhiza.com
• Mycorrhiza information exchange
• Mycorrhizae and Plant Phylogeny
• Mycorrhizae Mailing List (Micronet)
• Mycorrhizae Research Group
• Mycorrhizas webpage
• Mycorrhizospheres of boreal forest trees
• MycorWeb
• Mycoses
• Mycotaxon
• Mycotech Biological
• Mycotheca Generalis
• Mycotoxin homepage
• Mykolibri
• MykoMax GmbH
• MykoWeb
• Myxomycologists: world directory
• MyxoWeb
• Names in Current Use-3e
• National Botanic Garden of Belgium (BR), Herbarium Mycologicum
• National Center for Biotechnology Information
• National Herbarium of the Netherlands, NHN
• National Morel Mushroom Hunters' Association (USA)
• Natural History Museum of Fribourg
• Natural Perspective's introduction to fungi
• Nematophagous fungi
• Nematophagous Fungi - An Illustrated Overview
• Netherlands' Mycological Society (NMV)
• Neurospora Genome Project
• New Jersey Mycological Association (USA)
• New Mexico Mycological Society (USA)
• New Phytologist
• New York Botanical Garden (NYBG)
• New York Mycological Society (USA)
• New Zealand Fungus Herbarium (PDD)
• New Zealand Journal of Botany
• NIH Campus Yeast Interest Group
• Norsk Soppforening (Norway)
• North American Lichen Project
• North American Mycological Association
• North Idaho Mycological Association (USA)
• North West Fungus Group (U.K.)
• Northern Ireland Fungus Group (U.K.)
• Northwest Fungi
• Northwest Lichenologists, Inc.
• Northwest Mycological Consultants
• Nottinghamshire Fungus Group (U.K.)
• NPLichen
• NZFungi: New Zealand Fungi
• Ohio Mushroom Society (USA)
• Oregon Coast Wild Mushrooms
• Oregon Mycological Society (USA)
• Oregon State University Herbarium (OSC)
• Oregon White Truffles
• Oresund Mycology School
• Outdoor Bookstore
• Palouse Mycological Society (USA)
• Patricia Brown's greeting cards
• Pavel Lizon's Home Page
• Pecan Truffles
• Pedsdermatlas
• Penn State Mushroom Spawn Lab
• Penn State Mycological Herbarium (PACMA)
• PERMIT-L
• Personal Herbaria of Professor Seaward
• PEST CABWeb
• Peter Febbroriello's pages
• Petfungus
• Petit guide des Champignons d'Ile de France
• Pezweb
• Pfaffia rhodozyma page
• Phillips Mushroom Farms
• Phycomyces
• Phylocode
• Phylogenetic Mycology Group, Umeå University
• PhysarumPlus
• PhytID - for the identification of Phytophthora species
• Phytoparasitica
• Phytopathogenic fungi from South Africa
• Phytopathology
• Phytophthora diseases of durian
• Pilze, Pilze, Pilze
• Planet Mushroom
• Plant Disease
• Plant Diversity of Central French Guiana
• Plant Pathogenic Fungi
• Plant Pathology
• Plant Pathology Internet Guidebook
• Plant Pathology Simulations
• PLANTS database
• Plasmodiophorales: molecular studies
• Plasmodiophorid Home Page
• Podospora anserina page
• Polypores of Sweden
• Puget Sound Mycological Society (USA)
• Puggehatten - Skånes Mykologiska Förening
• Purbeck Fungus Group (U.K.)
• Pyrenomycetes from Southwestern France
• Pythium insidiosum
• Quoditch Nature Reserve
• R. A. Chilton's Web page
• R. Gordon Wasson Archives
• Ralph's Finest Fungi Fancier File
• Ravenelia in the United States and Argentina
• Registry of Mushrooms in Works of Art
• Reliquiae Petrakianae
• Revista Iberoamericana de Micología
• Rex Swartzendruber's homepage
• Richard Summerbell's web pages
• RogersMushrooms
• Root Biology and Mycorrhiza research group
• Royal Botanic Gardens Melbourne
• Russian Lichenological Resources
• Russian Wildnature
• Rutgers Mycological Herbarium (RUTPP)
• Rytas Vilgalys' lab
• Saccharomyces Genomic Information Resource
• Safrinet
• Sanger Centre Yeast Sequencing Project
• Sclerotiniaceae and Rutstroemiaceae
• Scottish Crop Research Inst.: Fungal Plant Pathology
• Setas de Pireneo
• Sherrockie Mushroom Farm
• Simply Fungi
• Singer Index
• Slovenian Edible and Poisonous Wild Mushrooms
• Snohomish County Mycological Society (USA)
• Société Mycologique de Strasbourg (France)
• Societat Catalana de Micologia
• Societe de mycologie de Saxon
• Societe Mycologique de Baume-les-Dames (France)
• Société Mycologique du Pays de Montbéliard
• Society for Invertebrate Pathology
• Society for the Preservation of Natural History Collections
• Soil Ecology and Restoration Group
• SOMA: Sonoma County Mycological Association (USA)
• Spanish Type Culture Collection (CECT)
• Spongospora Homepage
• Spoorzicht Diemen
• Sporometrics
• Sporotrichosis
• Stachybotrys/Pulmonary Hemorrhage and Hemerosiderosis in Infants
• Stains File
• Steve Newell's web pages
• Studies in the genus Amanita
• Studies in the Lasiosphaeriaceae
• Sun Shiitake
• Sunrise Mushrooms
• SUNY College of Environmental Science and Forestry Herbarium (SYRF)
• Survey of North Illinois and Indiana Fungi
• Susquehanna Valley Mycological Society (USA)
• Svampe
• Swedish Museum of Natural History Lichen Herbarium (S)
• Swedish Mycological Society
• SwissFungi
• TAXACOM
• Taxonomic Resources and Expertise Directory
• Taylor Lockwood's Treasures from the Kingdom of Fungi
• Tayside Fungi and Mushrooms
• Tecfoods
• Teikyo University Institute of Medical Mycology
• Tekoa Mushroom Farm
• Texas Plant Disease Handbook
• The Bryologist
• The Echinosteliales (Myxomycetes)
• The Echinosteliales (Myxomycetes)
• The Eumycetozoan Project
• The European and North American species of Sarcoscypha
• The F files
• The Fane of the Psilocybe Mushroom
• The Fifth Kingdom
• The Forager Press
• The genus Tilletia in the United States
• The Great Morel Site
• The Hidden Forest
• The Cantharellus Research Group
• The Lichenologist
• The Mushroom Council
• The Mushroom Gourmet
• The Mushroom Place
• The+mycoculture-list
• The Mycologist
• The Mycology.Net
• The New York State Museum Mycological Collections: Herbarium NYS
• The Ones that Stain Blue
• The Phlegmacium website
• The Psilocybin Station
• The Rhynie Chert and its Flora
• The Russulales website
• The Shroomery
• This is Not Just Plant Pathogenic Fungi!
• Toadstools in the Netherlands and Switzerland
• Tom Harrington's Lab
• Tom Volk's web pages
• ToxicMold.com
• TRANSLAT: software for translating English to botanical Latin
• Tree of Life
• Tree Pathology Cooperative Programme
• Trichoderma
• Tricholoma in Denmark
• Trichomycetes of Chironomidae
• Tritech Research
• TRITON
• Truffle Market
• Truffle.org
• Truffle Zone
• Tufpak
• U.S. National Fungus Collections databases
• U.S. National Herbarium Lichen Type Specimens
• UC Berkeley's Introduction to Fungi
• Unicorn Bags
• Unite
• United Kingdom National Culture Collection (UKNCC)
• University and Jepson Herbaria, University of California, Berkeley
• University of Alberta Microfungus Collection and Herbarium (UAMH)
• University of Arizona Lichens database
• University of British Columbia Herbarium (UBC)
• University of Michigan Herbarium (MICH)
• University of Minnesota Lichen Herbarium (MIN)
• University of Oslo, Lichen Herbarium (O)
• University of Oslo, Mycological Herbarium (O)
• University of Tübingen: Botany and Mycology
• University of Tennessee Mycology Labs
• University of Toronto, St. George Campus: Mycology
• University of Trieste, Lichen Herbarium (TSB)
• Uppsala Svampklubb (Sweden)
• Uppsala University Culture Collection (UPSC)
• Uredinologists Worldwide
• USENET Newsgroups
• Ustilago.org
• Vancouver Mycological Society (Canada)
• Vedam's Books International
• Vegetative Compatibility Groups of Fusarium oxysporum
• Verein für Pilzkunde Thurgau (Switzerland)
• Views of the Famine
• Virtual Field Guide
• Vladimir Mikes' web pages
• Walsh Mushroom Farms
• Wasson Ethnomycological Books
• Waxcap website
• Wayne's Word on the fungal kingdom
• West Virginia Mycological Association (USA)
• Western Biologicals
• Western Montana Mycological Association (USA): Fungal Jungal
• White Rot Fungi
• Wild Harvest
• Wild mushrooms from Tokyo
• Willamette Valley Mushroom Society (USA)
• World Data Centre for Microorganisms (WDCM)
• World of Lichenology
• World-Wide Web Virtual Library
• Wylie Mycologicals Inc.
• Xylariaceae
• Yeast Genome Project: MIPS
• Yeast Information
• Yeast Protein Database
• Yeast Researchers directory
• Zeitschrift für Mykologie
• Zolan Lab
• Zoosporic Fungi Online