Observation 63418: Tricholoma (Fr.) Staude

When: 2010-01-22

Collection location: Albion, California, USA [Click for map]

Who: Douglas Smith (douglas)

No specimen available

Found by others at the FFSC Albion Foray.

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Proposed Names

60% (2)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Roger Phillips
By: Johannes Harnisch (Johann Harnisch)
2013-12-24 21:05:53 EST (-0500)

states: “Tricholoma aurantium (Fr.) Ricken Cap 4-10cm across, convex becoming flatter with an obtuse umbo and an inrolled margin at first; color varies from yellow-orange to tawny to rusty orange or orange-brown or orange-red sometimes splashed with green;”

T. aurantium
By: Johannes Harnisch (Johann Harnisch)
2013-12-24 20:56:24 EST (-0500)

Iv’e found orange specimens in Southern Alberta Canada that had definite green color. see http://mushroomobserver.org/image/show_image/54120?obs=24431&q=1hdzR
albeit Michael Kuo never mentions green as a cap color….

The color green
By: walt sturgeon (Mycowalt)
2011-02-10 10:20:58 EST (-0500)

should then be included in the description of this species. No mention of it is made in Funga Nordica or Bessette & Fischer. It is remarkable how this can be the same as http://mushroomobserver.org/55329?q=3bgK and this: http://mushroomobserver.org/23887?q=3bgK

I have seen
By: Irene Andersson (irenea)
2011-02-10 09:57:21 EST (-0500)

Tricholoma aurantium with hints of green, and after looking at other obses here (27840, 1987) and one that looks like an intermediate (45), I don’t think a variety name is needed – or even possible – if you can’t draw a line between the varieties.

Tricholoma aurantium can be greenish…
By: Douglas Smith (douglas)
2011-02-10 09:52:06 EST (-0500)

At least when young, the green seems to fade as it ages. I’ve seen this before in California:


And in Europe I’ve seen them rather olive in color:


I’ve seen it more in California, but I only have the one photo. This one in Albion was the most olive green that I’ve seen, this is true. Maybe someone might want to put a var. on it. The green fading to orange was also written about in Mushrooms Demystified.

Tricholoma aurantaium
By: walt sturgeon (Mycowalt)
2011-02-10 09:41:41 EST (-0500)

Has an orange to orange brown cap. If this is what is called that in Cal. I would think it at least deserves varietal rank.

Created: 2011-02-10 08:58:42 EST (-0500)
Last modified: 2013-12-24 18:20:29 EST (-0500)
Viewed: 64 times, last viewed: 2017-06-08 09:55:32 EDT (-0400)
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