Cascade Mycological Society – Eugene, Ore.

Northwest Mushroomers Association – Bellingham, Wash.

Oregon Mycological Society – Portland, Ore.

Puget Sound Mycological Society – Seattle, Wash.

Snohomish County Mycological Society – Everett, Wash.

South Sound Mushroom Club – Olympia, Wash.

South Vancouver Island Mycological Society – Victoria, B.C.

Southwest Washington Mycological Society – Chehalis, Wash.

Spokane Mushroom Club – Spokane, Wash.

Vancouver Mycological Society – Vancouver, B.C.

Willamette Valley Mushroom Society – Salem, Ore.

Yakima Valley Mushroom Society – Yakima, Wash.