Observation 23586: Gymnopus subsect. Levipedes (Fr.) Halling

When: 2009-07-25

Collection location: Luzerne Co., Pennsylvania, USA [Click for map]

Who: Dave in NE PA

No specimen available

probably G. dryophilus.


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I hear you Irene, but…
By: Dimitar Bojantchev (dimitar)
2009-07-28 19:14:21 MST (-0700)

I hear you Irene, but the stuff you showed is more typical dryophila
than the ones with the long clavate stipe and thick rhyzos from my
photos below and those from MushroomExpert. I know that it is in the
dryophilus group because I examined my material, but I can recognize
it as a different form of a sturdier, stronger stiped fruitbody that I
have only seen in the Eastern North America. Whether it is a
different species or variety I am not ready to form an opinion, but I
wouldn’t be surprised if it turns out that way when someone works on

I didn’t
By: Dave in NE PA
2009-07-28 18:49:54 MST (-0700)

gather much info on this collection. In my area G. dryophilus seems to occur in a variety of colors, but there are a few other of these type species (same color range and crowded gills) that are common around here. This one doesn’t seem to have the greasy finish to the cap. So I ruled out butyracea on this basis.

By: Irene Andersson (irenea)
2009-07-28 14:47:26 MST (-0700)

Here’s one from England:

Here’s one of my own (with a colour in between)

I know that there have been efforts to separate different colour forms as species, but my impression is that most of them are circumboreal.
See description and discussion in rogersmushrooms:

Let’s look at it a bit further…
By: Dimitar Bojantchev (dimitar)
2009-07-28 13:56:13 MST (-0700)

I see this one very much in line with what I have collected East


and also what the MushroomExpert shows as G. dryophilus


none of which match the classic European dryophilus look, as
illustrated at the top photos of my page:


Notice how markedly different is the shape of the stem.

If you have a source from Europe that shows that version I’d very interested to see. I have been looking and comparing, buit can’t quite see anything like the Eastern NA version.

As far as I know
By: Irene Andersson (irenea)
2009-07-28 13:20:48 MST (-0700)

this is treated as a common colour form of dryophilus..

Yes, this is what they call G. dryophilus out East.
By: Dimitar Bojantchev (dimitar)
2009-07-28 12:43:43 MST (-0700)

I am familiar with this species from Eastern North America and the dryophilus idea is not completely crazy because microscopically the structures of the cuticle are quite dryophilus like. So, it is in the group, but the looks of it are not the real dryophilus. At best a sister species.

Not sure about G. dryophilus
By: Douglas Smith (douglas)
2009-07-28 05:42:19 MST (-0700)

Gymnopus dryophilus has a hygrophanous cap, I’m not sure these are hygrophanous. And they seem to have a pinkish-rose tone to the cap, which isn’t found in G. dryophilus, and the gills are too tight, close. The gills looks look more like Rhododcollybia butyracea, but with the rosy tones to the cap, not sure about that either.

Created: 2009-07-26 19:55:45 MST (-0700)
Last modified: 2017-01-05 22:28:43 MST (-0700)
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