Notes: This one seems different from the Pyxine I´m used to observe, namely by the existence of pustulas that break to display the soredia inside. I found this species in (at least) three places close to one another and I will creat one observation for each (see also observation 110955 and observation 110956).
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Interesting. I want to say that Neofuscelia can have a yellowish medulla, too, but I can’t find the reference I got that vague memory from. Will be interesting to see what we finally decide. The photo of Pyxine sorediata in the Azores and Canary Island flora looks remarkably brown, but still not as much as yours. Never seen it even get close to that brown in the southeastern US.
due to the color of thallus, maybe there are other possibilities beyond Neofusciela, for instance, Physconia, but the problem is that I don’t known the existence of pustulate species in this genus as I do not know in Neofuscelia. I have chosen Pyxine due to the yellowish color when I scratch to expose the medulla (see 1st photo of chemistry), but this can be erroneous.
Created: 2012-09-23 15:46:35 CDT (-0500)
Last modified: 2012-09-23 15:51:07 CDT (-0500)
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