Observation 108549: Marasmius cohaerens (Alb. & Schwein.) Cooke & Quél.

When: 2012-08-31

Collection location: Ricketts Glen State Park, Pennsylvania, USA [Click for map]

Who: Dave W (Dave W)

No specimen available

Stipe is tough, like a thin rubber-coated copper wire. Base of stipe with adhering leaf litter, forming the appearance of a basal bulb.

Proposed Names

29% (1)
Eye3 Eyes3
Used references: Checked various sources.
28% (1)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Well, I’m hardly convinced of my own proposal.
By: Dave W (Dave W)
2012-09-04 12:44:26 BST (+0100)

But according to Kuo, the M. cohaerens with the close gills that is found in Costa Rica is Marasmius cohaerens var. lachnophyllus.

At first I thought the ones in this obs may be the same as…
The two collections were made in the same acre of woods. Change in cap color is not unusual for marasmius. Spore photo in linked obs shows spores that are elliptical to subfusiform, which fits the description for M. cohaerens. But the gills in 106512 are quite close. With some types of mushrooms, gill spacing can change quite a bit as the mushroom ages.

I did not obtain a spore drop, and did not otherwise search for spores, for the obs seen here (108549).

By: Danny Newman (myxomop)
2012-09-04 10:04:56 BST (+0100)

the same name is used to refer to a drastically different Marasmius in Costa Rica, characterized by extremely close gills.

Created: 2012-09-04 03:07:56 BST (+0100)
Last modified: 2014-07-13 02:40:28 BST (+0100)
Viewed: 48 times, last viewed: 2017-06-14 06:22:11 BST (+0100)
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