Observation 65305: Tephrocybe atrata (Fr.) Donk

Original Herbarium Label: Tephrocybe atrata (Fr.) Donk
After the 2006 forest burn.

Species Lists


The drawing of spores is wrong: oil droplets were misinterpreted as warts. Th spore surface is in fact smooth.
Spores mounted in ammonia

Proposed Names

10% (2)
Eye3 Eyes3
Based on microscopic features
-10% (2)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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The drawing is wrong
By: Oluna & Adolf Ceska (aceska@telus.net)
2012-04-26 15:30:38 CDT (-0500)

My original drawing was done from the fresh material mounted in water and I misinterpreted numerous oil droplets in spores as warts. I went back to the dried material and examined it first in water it look the same as on the original drawing. When I added ammonia, the droplets fused together into one or a few larges ones and the spore surface was clearly smooth. Thank you for your observation. Oluna

Something weird here
By: Irene Andersson (irenea)
2012-04-24 02:57:18 CDT (-0500)

The photo might depict atrata, but the drawings with warty spores look like tylicolor.

Created: 2011-04-09 04:23:49 CDT (-0500)
Last modified: 2017-09-09 01:58:26 CDT (-0500)
Viewed: 286 times, last viewed: 2018-04-12 18:27:03 CDT (-0500)
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