Observation 54391: Amanita Pers.

When: 2010-09-19

Collection location: Glacier Peak Wilderness, Washington, USA [Click for map]

Who: Jason Hollinger (jason)

No specimen available

in montane forest in Milk Creek drainage ~5000’



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thanks, Rod!
By: Jason Hollinger (jason)
2010-10-04 16:00:25 EDT (-0400)

Yes, it was soaking wet, and it had been raining there for days, I think. Interesting to hear what such conditions will do to a species I thought I knew well. Good stuff.

Some thoughts…
By: R. E. Tulloss (ret)
2010-10-04 15:32:38 EDT (-0400)

The patches are unusually large seem almost submembranous…possibly an effect of weather. The mushrooms look soaking wet and the cap is very viscid looking. In the same conditions, all the muscarioid taxa will get viscid; and the warts will slide off rather easily.

Your quite correct about the ridges…especially in the PNW where var. persicina doesn’t occur. It looks like there is a slanting ring above the bulb…hard to know what wet weather will do to the rings.

With strong brown tint you might consider A. regalis as a possibility. It is muscarioid and is known from montane habitat in Alaska.

Other than the above, I haven’t much to add.

Very best,


several reasons I rejected A. muscaria
By: Jason Hollinger (jason)
2010-10-04 15:16:00 EDT (-0400)

1) The patches are removable on this one, but muscaria’s aren’t. (Right?)

2) A. muscaria has those unusual concentric ringed ridges around the base; this lacks those ridges. Indeed, it appears to lack any sort of volva at all, despite digging for it as carefully as I could. (That had me stumped, I admit.)

3) The color was distinctly brownish. I was under the (possibly mistaken!) impression that of all the myriad color choices for muscaria (white, red, yellow, peach, etc.) none involved any hint of brown.

Many apologies for not collecting any of these. I was out for several days with extremely minimal gear (I was attempting to keep up with PCT thru-hikers who were doing 25-27 miles a day!), so I didn’t even pretend to try to get samples. It was about all I could manage just to stop for a few seconds to take the photos I did!

What is the reason…
By: R. E. Tulloss (ret)
2010-10-02 13:04:38 EDT (-0400)

that you don’t go for A. muscaria (PNW yellow variant) in this case as in your other postings of the same date?

All very interesting to me. If you happen to get dried material of this entity and post or have posted image so that collection for reference on MO, I’d like to have a mature sample for the herbarium here in Roosevelt.

Very best,


Created: 2010-10-02 03:22:41 EDT (-0400)
Last modified: 2010-10-02 03:23:12 EDT (-0400)
Viewed: 40 times, last viewed: 2017-06-08 02:15:08 EDT (-0400)
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