Observation 26110: Pluteus atromarginatus (Singer) Kühner

When: 2009-09-14

Collection location: Clinton, Washington, USA [Click for map]

Who: Sam Linse (BearwoodSam)

No specimen available

Found in mixed mature coniferous forest growing from long dead douglas fir. Cap is fairly large, maybe 8-12cm across and covered in long gray hair. Gills are close and look to be brownish spores, but haven’t been back to see my print yet. Stipe is curved mostly, and also covered in long gray fibers.



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Eye3 = Observer’s choice
Eyes3 = Current consensus


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dark gill edges can be a subtle and/or obscure in a photo…
By: Debbie Viess (amanitarita)
2010-09-29 23:06:37 CDT (-0400)

esp. when some of the gill edges are out of focus.

I see dark edges in your Pluteus photos where they are in focus.

You can see the same effect in my MO photo of P. atromarginatus:


How about the gills in picture 3?
By: Sam Linse (BearwoodSam)
2010-09-29 22:27:23 CDT (-0400)

If you look at pic number 3 full size I think it will show the dark edges on the gills. What do you think? I’ll try to see if it came back this year for a better picture. Thanks for your input on this, it would be great to nail it down.

black gill edges?
By: Danny Newman (myxomop)
2010-09-29 04:51:02 CDT (-0400)

P. atromarginatus ought to have these, and I see none here. I have found my own grey-capped, radially fibrillose Pluteus which wants to key out at P. atromarginatus but won’t fit on account of the gill edges. My specimens very closely resemble yours save for darker coloration at the cap center fading to lighter grey at the margin. Your’s appear to do the opposite. Were the camera not on the fritz I’d post an observation of my own.

Created: 2009-10-02 11:25:24 CDT (-0400)
Last modified: 2009-10-02 11:25:24 CDT (-0400)
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