Cool find on a Denali trail right beside our hotel!



Proposed Names

-61% (2)
Recognized by sight: lilac cap that turns ochraceous with age; orange-tinted gills becoming more pale; white latex stains all tissues lilac.
Used references: Milk Mushrooms of North America, Bessette, Harris, Bessette.
5% (2)
Recognized by sight

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= Observer’s choice
= Current consensus


Add Comment
should …
By: Debbie Viess (amanitarita)
2014-09-18 19:33:14 CDT (-0400)

but only if you are carrying around a bottle of KOH! I did not.

This was actually my great Alaska megafauna trip, but those darned mushrooms kept throwing themselves in my way. What’s a fungal obsessive to do?

Ten years, already? Gosh, time flies when you’re having fun-gus.

Yeah, uvidus is close, but maybe not quite it. this cap is way more than just violet gray; it was predominantly an orange color.

I am changing my ID to montanus. It was collected under conifers, not hardwoods and certainly not birch or cottonwood.

Here’s a photo on the Russulales News site, that is a far better match for mine:

This one..
By: Drew Parker (mycotrope)
2014-09-18 16:30:31 CDT (-0400)

is clearly paler than the L. uvidus/montanus I see here in eastern Washington, thus my question about pallescens. Here, it is the lilac-gray that Noah describes, and tends to be subzonate. It’s the most numerous Lactarius around here right now. I’ll try to post one later today. KOH test should easily seperate uvidus from pallescens.

Did you?
By: Noah Siegel (Noah)
2014-09-18 15:57:21 CDT (-0400)

Put a drop of KOH on the cap?

This fits var. uvidius much better than motanus; which has a darker, lilac-gray cap.

We found a lot of L. uvidus under Cottonwood and Birch near Hope, AK.
L. uvidus var. montanus was raised to species rank about ten years ago; so, now it is L. montanus.

cap color wrong for pallescens…
By: Debbie Viess (amanitarita)
2014-09-18 12:00:33 CDT (-0400)

and the stipe was dry, not viscid. this particular example looks more like f. montanus than uvidus f. uvidus

or, it could be something similar but neither.

the stipe stained with handling, but it didn’t bleed latex onto the stipe. I have never seen so much purpling on a Lactarius. Latex wasn’t really abundant, either.

Lots of curious Lactarius in Alaska. It’s a wide open field to put some good names on these. DNA will help to tell us whether we are in the ballpark.

Why not…
By: Drew Parker (mycotrope)
2014-09-18 11:10:55 CDT (-0400)


I agree, and so voted.
By: Debbie Viess (amanitarita)
2014-09-18 10:38:23 CDT (-0400)

I look forward to seeing your photos and micro documentation on this otherwise photo undocumented species. I have seen uvidus in CA, but never quite so purplish!

By: Noah Siegel (Noah)
2014-09-18 09:56:23 CDT (-0400)

was abundant at one site, in, of all places, Cordova.

It does not look like yours. I’ll post pictures and notes eventually…

This does fit the uvidus group much better.

mundane …
By: Debbie Viess (amanitarita)
2014-09-17 22:21:06 CDT (-0400)

but more likely.