Observation 146395: Gymnopilus P. Karst.

When: 2013-09-24

Collection location: Forest near Elgin St., Pembroke, Ontario, Canada [Click for map]

45.7897° -77.1324° 200m

Who: Paul Derbyshire (Twizzler)

No specimen available

Growing gregariously on a stump in D9C. Pinus strobus, Pinus resinosa, Populus tremuloides, Acer sp., and Betula papyrifera all were growing nearby. Fibrous partial veil not yet opened on these. Possibly Hypholoma?

Proposed Names

-8% (3)
Recognized by sight
11% (3)
Recognized by sight
55% (4)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
By: Paul Derbyshire (Twizzler)
2013-09-25 20:24:01 CDT (-0500)

Hypholoma have grey gills at maturity, which is what I was getting at.

By: Rocky Houghtby
2013-09-25 18:36:38 CDT (-0500)

The majority of Pholiota species are glabrous, lacking scales. The apparent viscidity of the mushrooms in this observation point toward Pholiota as well. Both the pilei and stipes of numerous Pholiotas have a glutinous outer layer that causes dirt and debris to adhere to their flesh.

Your statement about grey gills equaling Hypholoma is not necessarily correct either. Some Hypholoma have yellow lamellae before maturity.

I don’t think there is enough data In this observation to move beyond a higher taxon. My money is on Pholiota, but it could certainly be Gymnopilus.

By: Jacob Kalichman (Pulk)
2013-09-25 14:46:35 CDT (-0500)

Can they have those transverse ridges on the stipe? (I’m seeing a lot of Pholiota with them and no Gymnopilus)

Lots of Pholiota
By: Jacob Kalichman (Pulk)
2013-09-25 14:36:15 CDT (-0500)

don’t have scaly caps (alnicola…)

OK, but …
By: Paul Derbyshire (Twizzler)
2013-09-25 14:21:37 CDT (-0500)

Pholiota have scaly caps. These looked smooth. The “scales” on some stipes are encrusted dirt that got torn apart as they expanded — the way veil remnants would be, but not veil remnants.

I’ll take Gymnopilus under advisement. More mature specimens would help — grey gills = Hypholoma, yellowish = Gymnopilus, given that dichotomy.

Sorry to be impolite
By: Jacob Kalichman (Pulk)
2013-09-25 00:11:24 CDT (-0500)

It could be Gymnopilus too for all I know

stocky bulbous stipes aren’t very Hypholoma
ridges suggest Pholiota, I think (e.g. P. limonella or alnicola)

Hey, “Pulk”
By: Paul Derbyshire (Twizzler)
2013-09-24 23:39:50 CDT (-0500)

It is considered impolite to give a negative vote to another user’s proposed ID without also providing some sort of comment explaining your reason for doubting that ID.

Created: 2013-09-24 22:16:01 CDT (-0500)
Last modified: 2017-03-04 22:32:41 CST (-0600)
Viewed: 94 times, last viewed: 2017-10-07 22:22:13 CDT (-0500)
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