Observation 24104: Pleurotus dryinus (Pers.) Kum.
When: 2009-08-07
No herbarium specimen

Proposed Names

-75% (3)
Recognized by sight
-10% (2)
Recognized by sight
47% (5)
Eye3
Recognized by sight: Gills, cap, pileus. Complete match.
7% (3)
Eye3
Recognized by sight: The partial veil leaving an annulus like patch

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Thanks guys
By: Irene Andersson (irenea)
2009-08-14 03:29:44 CDT (-0400)

for all your kind comments. Can’t help thinking that it’s a bit unfair though – after all, Pleurotus was Noah’s suggestion to start with..

terrestrial
By: Dan Molter (shroomydan)
2009-08-13 21:37:27 CDT (-0400)

This mushroom was growing in thick leaf litter, but presumably from buried wood. I encountered it in an area of very high fungal density and diversity, just as the sun was going down. The cap margin on this little guy made it stand out from the dozens of whitish Lactarius mushrooms in the area. I think Irene got right. I share Dimitar’s admiration of your knowledge and research skills Irenea :)

I have grown
By: Daniel B. Wheeler (Tuberale)
2009-08-13 12:22:12 CDT (-0400)

Pleurotus dryinus and eaten it. I don’t remember the yellow stains. Then again, I was in something of a feeding frenzy.

I agree
By: Andreas Gminder (mollisia)
2009-08-13 04:59:29 CDT (-0400)

and am angry about me that I did not get to that myself ;-))

Very nice.
By: Dimitar Bojantchev (dimitar)
2009-08-13 04:28:59 CDT (-0400)

I love Irene cause she goes out, digs deeply and always unearths the truth. Indeed, I think she is right. The thing is that my friend Dan Molter never specified a lignicolous habit which is typical for Pleurotus and very atypical for Hygrophorus. See, the German author of Wild West stories, Karl Mai wrote about America extensively and totally believable stories, long before he ever came to the new Continent. My father knew America better than me and lit my fire early on to find happiness here without ever having set a foot in America and died 2 years before I could bring him. Similarly, Irene is becoming an expert on North American mushrooms while collecting in central Sweden. Verrry niiize…

D. www.mushroomhobby.com
This is Pleurotus dryinus
By: Irene Andersson (irenea)
2009-08-13 03:53:15 CDT (-0400)

- some form of it.
Watch the forked gills and the narrow ring!
http://www.mushroomexpert.com/pleurotus_dryinus.html

Hygrophorus for sure!
By: Dan Molter (shroomydan)
2009-08-12 19:39:41 CDT (-0400)

Thanks Dimi!

The waxiness of the gills led me to Hygrophorus
By: Dimitar Bojantchev (dimitar)
2009-08-08 20:00:32 CDT (-0400)

Otherwise I did consider Leucopaxillus at first. But these gills are somewhat thick, waxy and subdistant… The ribbed cap margin does work towards Leuocapixillus or Clitocybe, but the partial veil and clearly thickly veiled stipe led me to Hygrophorus. I feel kind of lazy to look for a species option right now. [ADDED: It seems related to H. chrysodon. Also, the absence of any mycelial strands is not typical for Leucopaxillus].

D.
no way without microscopy
By: Andreas Gminder (mollisia)
2009-08-08 19:42:11 CDT (-0400)

as in many cases, so here: without at least the spore characters even the genus cannot be guessed. Russula and Lactarius are not, I’m sure. Leucopaxillus would be an option for me, then the spores should be amyloid and warty.

best regards,
Andreas

Oops, Sorry Dimitri!
By: Daniel B. Wheeler (Tuberale)
2009-08-08 17:11:46 CDT (-0400)

Thought you were talking about me.

Difficult to use a microscope
By: Daniel B. Wheeler (Tuberale)
2009-08-08 17:10:37 CDT (-0400)

on a collection I don’t have. I’m in Portland, Oregon.

Hygrophorus sp.
By: Dimitar Bojantchev (dimitar)
2009-08-08 16:44:28 CDT (-0400)

Of course, this could so easily been checked under the microscope — Dan, use that tool. At least the Russulales option could be pruned out very quickly.

D.
The bottom photo
By: Daniel B. Wheeler (Tuberale)
2009-08-08 11:01:02 CDT (-0400)

when enlarged, seems to show an annulus which would be atypical for Pleurotus. It also shows some yellow on the cap as well as just under the cap (subcutaneous?). I see no latex present nor latex-producing granules/glands that should be present. No apparent scales or fibrils on the cap, which would tend to rule out most Tricholomas. Think you’d have to go with spore characteristics on this one.

Don’t believe
By: Daniel B. Wheeler (Tuberale)
2009-08-08 10:54:14 CDT (-0400)

Lactarius, which might be considered by the stipe. I believe the stipe has ben predated on by insects rather than scrobiculate. Inrolled cap indicates an immature specimen. Looks more like a possible King Oyster to my eye than a Lactarius, but description lacks size or scale indicators.

dry
By: Dan Molter (shroomydan)
2009-08-08 04:38:36 CDT (-0400)

The lack of latex points away from Lactarius, but everything else is a match. This mushroom was growing from the ground under mixed hardwoods. Note the yellow zone just under the skin of the cap.

Created: 2009-08-07 20:43:23 CDT (-0400)
Last modified: 2011-07-31 21:17:03 CDT (-0400)
Viewed: 359 times, last viewed: 2016-10-23 03:46:43 CDT (-0400)
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