Observation 206338: Megacollybia fallax (A.H. Sm.) R.H. Petersen & J.L. Mata

Growing on roadside in a cluster of small Pinus ponderosa stumps and mixed conifer debris. One fruitbody was much smaller than the rest.
Pileus (5) 11-15.5 cm
Stipe (5) 9-14 cm long, (1) 2.6-4.2 cm diameter, more or less solid except for one specimen with a distinct central cavity. Most were +/- equal, but the hollow one was largest toward the base.
Lamellae ridged/veined, edges eroded, very broad (1-3.5 cm at widest).
Odor faintly fragrant/fruity. Reminds me of another mushroom, but I can’t place it at the moment.


Note the broad gills, ridges/veins, and slightly ragged edges (and yes, the maggot tunnels).

Proposed Names

54% (1)
Eye3 Eyes3
Recognized by sight: The western Megacollybia, in conifer debris.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2015-06-12 17:31:05 WAT (+0100)
Last modified: 2015-06-12 17:31:10 WAT (+0100)
Viewed: 43 times, last viewed: 2018-04-20 00:11:05 WAT (+0100)
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