Observation 51647: Pholiota (Fr.) P. Kumm.
When: 2010-08-27
(45.801416° -77.138786° )
No herbarium specimen

Notes: These were growing in one small area of Zone 48, near but not apparently directly on rotting wood. All parts quite yellow, with some reddening of the disc of the cap.

Proposed Names

-28% (4)
Recognized by sight
44% (5)
Eye3 Eyes3
Recognized by sight: has brown spores
40% (4)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
By: Christian (Christian Schwarz)
2010-08-31 00:05:36 CDT (-0400)

Pholiota often have rings (some Gymnopilus do too)

Almost all Gymnopilus are quite bitter when nibbled – a pretty good test, but won’t eliminate Hypholoma fasciculare

Gymnopilus often have more robust statures than the Pholiota and especially the Hypholoma, which are often quite slender stemmed.

Pholiota sometimes have quite viscid caps, I can’t think of any Gymnopilus that do.

Many Pholiota have pointy scales or other cap decorations. Most Hypholoma and many Gymnopilus are bare-capped (hence the genus name of the latter), but some Hypholoma have appendiculate cap margins, and then there is the very scaly-capped Gymnopilus luteofolius to worry about

Gymnopilus tend to have brighter, purer gill colors. This obs looks almost equally good between Gymnopilus and Pholiota to me, but I think something about the lack of orangey-brown hues tips me in favor of Pholiota.

In the end, it comes from familiarity with the species in your area and having taken spore prints off a number of collections. Then you begin to be able to generalize to collections from elsewhere by gestalt impressions.

By: Paul Derbyshire (Twizzler)
2010-08-30 23:51:27 CDT (-0400)

Bob Zimmer, a seemingly random negative vote at one of the proposed names does not substitute for a comment suggesting ways of distinguishing the three genera in the field. Sorry.

All of these
By: Paul Derbyshire (Twizzler)
2010-08-30 20:43:40 CDT (-0400)

are usually lignicolous. Is there a good way of distinguishing them? (Aside from Hypholoma gills turning grey as the mushrooms mature. I was at this spot again this afternoon but the mushrooms were gone, so I couldn’t see whether or not that had happened.)

Created: 2010-08-30 03:10:07 CDT (-0400)
Last modified: 2010-09-01 23:52:11 CDT (-0400)
Viewed: 57 times, last viewed: 2016-10-26 00:03:22 CDT (-0400)
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