Observation 81963: Quercus chrysolepis Liebm.

When: 2011-11-09

Collection location: Eldorado National Forest, California, USA [Click for map]

Who: Byrain

No specimen available

Growing on fallen Quercus cupules, the surface is pruinose and I wasn’t able to identify the oak species.

Species Lists



Proposed Names

55% (1)
Recognized by sight: a deformed acorn, but prob. not fungally related. put material under the scope and look for hyphae!
85% (1)
Eye3 Eyes3
Recognized by sight: canyon live oak, the cupules are just yellow.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
By: Byrain
2011-11-11 14:14:19 CDT (-0400)

Making me wish I collected some…
I found it twice in nearby separate locations, both times on the same species of oak. I will talk to Food & Ag to see if I can get any ideas.

Food & Ag
By: Darvin DeShazer (darv)
2011-11-11 12:35:58 CDT (-0400)

Take some to Food & Ag in Sacramento. They will ID the problem.

By: damon brunette (damonbrunette)
2011-11-11 10:34:45 CDT (-0400)

not fungal, gall or disease related?

Created: 2011-11-11 05:06:24 CDT (-0400)
Last modified: 2013-03-25 13:23:43 CDT (-0400)
Viewed: 98 times, last viewed: 2017-12-11 20:28:21 CST (-0500)
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