Collybioid Mushrooms

Fungal Jungal's Mushroom Identification Photo Guide

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** Disclaimer: These photos are presented to assist with mushroom ID. Any ID based on macroscopic characteristics alone, even including photos, is fallible. The WMMA does not assume responsibility for mushroom identification decisions made by individuals using this site. These photos represent a small fraction of the known species in the Pacific northwest.

Collybia maculata	Flammulina velutipes	Grifola fondosus	Lyophyllum decastes
Marasmius oreades	Mycena monticola	Mycena overholtsii	Omphalina fibula

Small cap & stem white spored mushrooms on forest debris or grass.

SHAKE TEST (WHICH DISTINGUISHES THE 2 GENERA)To distingush the genus Marasmius, what we call the "shake test" is applied to one or two specimens. Grasp the mushroom by the base of the stem and shake the mushroom back and forth a few times. Most types of mushrooms, the stem will break and the cap will go flying, but the tough stems of the Marasmius genus all hang tight to the caps, and especially in the case of M. oreades, you can give the mushroom quite a good shaking and it will not fly apart.

There's more info on the shake test in our educational trunk

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