Observation 59905: Tricholoma fracticum (Britzelm.) Kreisel
When: 2010-11-28
No herbarium specimen

Notes: Recognized by sight: Young specimen dark cinnamon brown, cap about 2" diameter, peeling off easily from center to 1/2 diameter, slightly viscid when moist, not slimy, smell distinctive, farinaceous, cucumber-like, taste cucumber-like, slowly and slightly acrid and hot, gills close, adnexed, not forking, cap and stem and firm, almost rubbery (like a shitake) but snap and break easily, flesh not changing color when cut, older specimen about 3" cap, dark brown with hint of sepia tone, dry, flat, with central depression, slightly wavy, cracked, wrinkled, hygrophanous, radially fibrillose, margin slightly inrolled

Images

127420
White balance digitally corrected to 5500ºK to match electronic flash used.
125527
White balance uncorrected for flash.
127421
127422
127423

Proposed Names

30% (2)
Recognized by sight
84% (3)
Eye3 Eyes3
Recognized by sight: Looks like a really old one, common enough in the area under pine trees (only under pine).

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Update
By: Len (placeport)
2010-12-08 20:21:12 PST (-0800)

Updated: went back next day (11/29) and found many fresh specimets, also took hi-res photos. My observations match all characters of T. fracticum, with these deviations: the spores are round and sometimes oval, about 6-7 um diameter; the odor is distinctly farinaceous, not as mild as may be expected from published observations. These do have a distinct dark band on the stipe, which separates a white upper zone from a striated brown lower zone.

Created: 2010-11-28 20:34:19 PST (-0800)
Last modified: 2011-02-02 10:01:54 PST (-0800)
Viewed: 61 times, last viewed: 2016-10-23 02:35:28 PDT (-0700)
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