Europe

• Confédéderation Européenne de Mycologie Méditerranéenne (Latin, Catalan, English, French, Italian, Spanish)

• European Mycological Association 

• Fédération des Associations Mycologiques Méditerranéennes

• Federation of European Microbiological Societies

• Journées Européennes du cortinaire (English, French, German, Italian)

• Nordic Society for Medical Mycology

• Nordisk Lichenologisk Forening

Hungary

• Szegedi Gombász Egyesület or you can see the site in English.

Italy

• Associazione Micologica Bresadola

• Gruppo Micologico "G. Bresadola" di Trento

• Federazione Micologica Lombarda

• Società Italiana di Patologia Vegetale

• Società Lichenologica Italiana

• Unione Micologica Italiana

Latvia

• Latvijas Mikologu Biedriba

Lithuania

• Lithuanian Mycological Society (Facebook)

UK

• Association of British Fungus Groups

• British Mycological Society

• British Society for Plant Pathology

England

• East Yorkshire Fungus Group

• Shropshire Fungus Group "We passionately find, identify, and record as many species of fungi as we can in our beautiful county."

• Buckinghamshire Fungus Group

• Devon Fungus Group

• Dorset Fungus Group

• Fungi To Be With " is dedicated to connecting the Greater London public to the natural environment through the magical world of fungi.  The fungi world is more diverse than you can possible imagine and, once your eyes are tuned to your the natural surroundings, be ready to be amazed at the various fungi forms, colors, shapes and sizes you encounter."

• Hampshire Fungus Recording Group

• Huntingdon Fungus Group

• Melbourn Mushroom Club

• Mid-Yorkshire Fungus Group

• Mushroom Growers' Association

• Norfolk Fungus Study Group

• North East Fungus Study Group

• Northwest Fungus Group

• Nottinghamshire Fungi Group

• Warwickshire Fungus Survey

Mexico

• Sociedad Méxicana de Micología (Facebook) 

USA

• American Bryological and Lichenological Society

• Gulf States Mycological Society

Arizona

• Arizona Mushroom Society

California

• Fungus Federation of Santa Cruz

• Los Angeles Mycological Society

• Mycological Society of San Francisco

• San Diego Mycological Society

• Sonoma County Mycological Association

Colorado

• Colorado Mycological Society

Connecticut

• Connecticut-Westchester Mycological Association

Massachusetts 

• Boston Mycological Club " is a community of mushroom enthusiasts dedicated to the study and enjoyment of fungi. We organize various activities and events related to mycology, and we welcome all who are interested."

New York

• Central New York Mycological Society

Oregon

• Cascade Mycological Society "We are an educational non-profit located in the Eugene/ Springfield area of Oregon dedicated to the study and enjoyment of fungi. All CMS meetings are open to the public. We welcome and value all individuals regardless of their race, nationality, place of origin, ethnic background, religion, gender, sexual orientation, marital status, economic class, age, or mental or physical abilities. We believe that diversity strengthens our organization by bringing forth many unique perspectives and talents and enriches the experiences of all those who interact with us. "

Idaho

• North Idaho Mushroom Club (NIMA) Mycological Association (Facebook)

• Southern Idaho Mycological Association

Illinois

• Illinois Mycological Association

Kansas

• Kaw Valley Mycological Society

Michigan

• Michigan Mushroom Hunters Club

Minnesota

• Minnesota Mycological Society

Missouri

• Missouri Mycological Society

Montana

• Western Montana Mycological Association

New Jersey

• New Jersey Mycological Association (NJMA)

New Mexico

• New Mexico Mycological Society

New York

• Long Island Mycological Club

• New York Mycological Society

• Northeast Mycological Federation "NEMF’s main activity is its annual foray. On a rotating basis member clubs or groups of clubs host three days of fungus collection and identification, lectures and workshops. Topics often include fungus identification, mycophagy, medicinal uses, textile dyeing, papermaking and photography."

• Susquehana Valley Mycological Society

Ohio

• Ohio Mushroom Society

Oregon

• Oregon Mycological Society

• Willamette Valley Mycological Society

Pennsylvania

• Central Pennsylvania Mushroom Club (CPMC)

• Eastern Penn Mushroomers (EPM)

• Northeast Mycological Federation "NEMF’s main activity is its annual foray. On a rotating basis member clubs or groups of clubs host three days of fungus collection and identification, lectures and workshops. Topics often include fungus identification, mycophagy, medicinal uses, textile dyeing, papermaking and photography."

• Philadelphia Mycology Club (PMC)

• Susquehana Valley Mycological Society

• Western Pennsylvania Mushroom Club

Texas

• Central Texas Mycological Society

Utah

• Mushroom Society of Utah

Washington

• Kitsap Peninsula Mycological Society

• Puget Sound Mycological Society

• Snohomish County Mycological Society

Washington, DC

• Mycological Association of Washington DC

Wisconsin

• Wisconsin Mycological Society

Oceana

Australia

• Australasian Mycological Society

• Australasian Plant Pathology Society

New Zealand

• New Zealand Photo Fungi Foray Group