Observation 47982: Xanthoria (Fr.) Th. Fr.
When: 2010-06-27
Who: zaca
No herbarium specimen

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RE: odd
By: zaca
2010-07-03 14:40:09 PDT (-0700)

Good new, Jason.

RE: odd
By: Jason Hollinger (jason)
2010-07-03 11:44:22 PDT (-0700)

Wow, Stridval does have some gorgeous photos. You have some interesting species of Xanthoria over there. You’re right, it could easily be X. aureola. I’d never heard of the species.

RE: odd
By: zaca
2010-07-03 11:27:34 PDT (-0700)

Thanks for giving an hint about the other specimens in the 2nd photo. Relatively to the main subject of this observation, since everything is new for me, I didn’t feel weird that there were no aphotecia in the specimen. By the way, in the 2nd of my references I found photos from a big list of Xanthoria sp. lacking aphotecia:X. aureola, X. elegans, X. fulva, X. isidoidea, X. parietina, X. poeltii, X. resendei. Moreover, at least the first of this species also lacks soredia.

By: Jason Hollinger (jason)
2010-07-02 17:08:19 PDT (-0700)

I would expect either soredia or apothecia in a specimen this large. That’s weird. I see a Caloplaca in the upper right and Physcia adscendens on the left (bottom photo).

Created: 2010-07-02 16:39:15 PDT (-0700)
Last modified: 2010-08-14 11:38:39 PDT (-0700)
Viewed: 73 times, last viewed: 2017-06-07 18:15:09 PDT (-0700)
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