Observation 56944: Callistosporium luteo-olivaceum (Berk. & M.A. Curtis) Singer
When: 2010-10-18
Herbarium specimen reported

Notes: Cheilocystidia clavate.

Did not look for pleurocystidia.

One spore was measured, it was 5.37 × 3.84 micrometers.

Proposed Names

87% (1)
Eye3 Eyes3
Recognized by sight: On well decayed wood, yellowish
Based on microscopic features: Cheilocystidia inconspicous and clavate. Spores broadly elliptical, within the listed size range, and with a conspicuous hilar appendage. (apiculus)
Based on chemical features: Stains red when KOH is applied

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
By: Alan Rockefeller (Alan Rockefeller)
2010-10-27 15:32:52 PDT (-0700)

The red color is from the KOH.

They do sometimes turn a reddish/purplish color naturally when they rot, similar but darker than the KOH color.

Are the ones with multiple colours
By: Tom (LanLord)
2010-10-27 15:14:56 PDT (-0700)

like that naturally or is that from application of KOh?

If natural, that is amazing looking.

Created: 2010-10-27 13:39:40 PDT (-0700)
Last modified: 2010-10-27 13:39:48 PDT (-0700)
Viewed: 51 times, last viewed: 2016-03-28 13:34:16 PDT (-0700)
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