■ Dead Yeast Society

■ The Southern Beer Society

■ The Yeast Connection 

■ National Collection of Yeast Cultures 

■ Lesaffre Yeast Cooperation 

■ British Lichen Society

■ British Mycological Society

■ Asheville Mushroom Club

■ Boston Mycological Club

■ British Mycological Society

■ Central New York Mycological Society

■ Danish Mycological Society

■ Fungus Federation of Santa Cruz

■ Gruppo Micologico-Naturalistico

■ Illinois Mycological Association

■ International Society for Mushroom Science

■ Maine Mycological Association

■ Mycological Society of America

■ Mycological Association of Washington D.C.

■ Mycological Society of San Francisco

■ Mycological Society of Toronto

■ New Mexico Mycological Society

■ North American Mycological Association

■ North Idaho Mycological Association

■ Northeast Mycological Foray

■ Northwest Fungus Group - England

■ Ohio Mushroom Society

■ Puget Sound Mycological Society

■ Sonoma County Mycological Association

■ Snohomish County Mycological Society

■ Sydney Fungal Studies Group

■ Vancouver Mycological Society

■ Vermont Mycology Association

■ Willamette Valley Mushroom Society

■ Wisconsin Mycological Society

■ Devon Fungus Group 

■ Dublin Naturalist's Field Club Fungus Working Group 

■ East Yorkshire Fungus Group 

■ Fungus Group of South East Scotland 

■ Grampian Fungus Group North East Scotland 

■ Hampshire Fungus Recording Group 

■ Huntingdon Fungus Group