Observation 187000: Xanthoparmelia mexicana (Gyelnik) Hale

Proposed Names

-62% (2)
Recognized by sight
-30% (2)
Recognized by sight
28% (1)
Recognized by sight
56% (1)
Recognized by sight: most common isidiate Xanthoparmelia in so cal

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Yes! removes all doubt
By: Jason Hollinger (jason)
2014-11-28 13:04:14 CST (-0500)

There are several isidiate Xanthoparmelia… but the only one I ever seem to find in southern California is X. mexicana. (Would need to see the color of the underside and spot tests to confirm.)

More jpg
By: Kevin Lentz (Subverted)
2014-11-28 12:47:46 CST (-0500)

I looked back in my photos and still have the shots from that day. Does this photo help clear things up?

Wish we had just a tiny bit more resolution!
By: Jason Hollinger (jason)
2014-11-27 12:39:46 CST (-0500)

Something about the gestalt looks more like Xanthoparmelia to me, but Zaca’s instincts are probably right. Certainly Flavoparmelia caperata is known to occur on rocks frequently in southern California. (Although, it usually does so in the shelter of oaks or chaparral shrubs, not out in the open like this.) If we could only get a slightly closer look we’d be able to be sure if this has isidia or pustulose soredia.

Created: 2014-11-02 00:42:28 CDT (-0400)
Last modified: 2014-11-28 13:02:40 CST (-0500)
Viewed: 40 times, last viewed: 2017-06-19 07:15:54 CDT (-0400)
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