Observation 75605: Tricholoma odorum Peck

When: 2011-09-05

Collection location: Moon Lake Park, Pennsylvania, USA [Click for map]

Who: Dave W (Dave W)

No specimen available



Proposed Names

-2% (2)
Recognized by sight: …actually, smell; strongly of coal tar. Obnoxious at a distance of 4 feet.
92% (2)
Eye3 Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
A couple of the CduQ photos…
By: Dave W (Dave W)
2016-02-25 08:37:24 WIB (+0700)

of inamoenum show a yellow tinge on the caps/gills. But not so truly yellow as odorum. The conifer vs. hardwood associate criterion seems pretty solid.

Tricholoma inamoenum
By: walt sturgeon (Mycowalt)
2016-02-25 05:32:05 WIB (+0700)

is a conifer associate. It lacks yellow coloration and the caps are usually white to grayish buff.

Thanks, Walt.
By: Dave W (Dave W)
2016-02-25 02:38:33 WIB (+0700)

Inameonum looks pretty similar to odorum. I didn’t know this species, but looking at Champignons du Quebec, my first impression is the main difference is in the stipe color, white for inameonum.

Tricholoma inamoenum
By: walt sturgeon (Mycowalt)
2016-02-25 01:44:05 WIB (+0700)

shares the coal tar odor.

Thanks Walt.
By: Dave W (Dave W)
2011-09-07 09:31:16 WIB (+0700)

Apparently, there are at least two of these offensively smelling Trichs. I had thought the names odorum and sulphureum were synonyms. Audubon mentions T. sulphureum (under comments for both T. equestre and T. sejunctum); the short descriptions mention an overall yellow mushroom. Kuo’s presentation of T. odorum matches my collection perfectly.

Created: 2011-09-07 04:32:00 WIB (+0700)
Last modified: 2011-09-07 09:31:46 WIB (+0700)
Viewed: 78 times, last viewed: 2018-03-08 05:48:13 WIB (+0700)
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