Observation 34188: Tricholoma aestuans (Fr. : Fr.) Gillet
When: 2009-11-03
No herbarium specimen

Notes: Growing with Pinus rigida

Proposed Names

92% (2)
Eye3 Eyes3
Recognized by sight: taste bitter at first becoming acrid, cap developing blackish streaks as it ages. no odor.
54% (1)
Recognized by sight: It looks like a Tricholoma, but can’t possibly be the same as we call aestuans in Scandinavia. I think this needs a new name if it isn’t already described by some american author.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Irene,
By: Noah Siegel (Noah)
2010-02-27 16:29:12 CET (+0100)

I don’t think it is the same species either… add it to the list of sensu eastern North America

Oops, sorry
By: Irene Andersson (irenea)
2010-02-27 16:03:42 CET (+0100)

Yes, I meant photo 25984.
It is possible that american keys and descriptions of aestuans have applied the name to the species in this obs, but do not beleive it’s the same.

Ah, you mean photo 25984
By: Douglas Smith (douglas)
2010-02-27 14:48:49 CET (+0100)

You mean photo 25984 is what they look like. This photo was included in obs. 12853. I see, brownish caps, light yellow gills, and lighter yellow stipe, among other things…

They typically look like green lichen??
By: Paul Derbyshire (Twizzler)
2010-02-27 14:34:44 CET (+0100)
Colours and stature
By: Irene Andersson (irenea)
2010-02-27 14:28:25 CET (+0100)

Greyish and greenish hues are completely wrong for aestuans. It may be right for american interpretations of it, but it is a Friesian species, and nothing like this one has been seen here. Tricholoma aestuans is also a rather slender species with a conical cap to start with, and with a papilla when the cap margin gets uplifted. The gills are pale yellow and the stem even paler yellowish, sometimes with a pinkish hue. Obs 25984 is what they typically look like.

Features?
By: Douglas Smith (douglas)
2010-02-27 12:51:06 CET (+0100)

What are the features here such that this “can not possibly be” Tricholoma aestuans?

Created: 2010-02-27 00:49:02 CET (+0100)
Last modified: 2010-02-27 00:49:02 CET (+0100)
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