Notes: There were several specimens growing on the same tree on a part of he park with Quercus trees mixed with almond trees. The overall appearance, at least in younger parts of thallus, was that of Flavoparmelia caperata – yellow green,
corrugate, pustulate – that is quite common here and in the whole country. The older part of the thallus (see also observation 107918) was much darker, sorediate (soredia originated by breaking of the pustules) and some apothecia were also present, which is new to me and rather rare. The chemistry (at least for this specimen) coincides with the expected for F. caperata. Therefore I believe is it.
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one observes a fertile Flavoparmelia I took the oportunity to observe the spores, for which got the following dimensions:
14.9 [17 ; 17.9] 20 × 8.5 [9.6 ; 10.2] 11.4 µm
Q = 1.5 [1.7 ; 1.8] 2.1 ; N = 27 ; C = 95%
Me = 17.5 × 9.9 µm ; Qe = 1.8.
I also made the Pd test. Of all of this I uploaded new photos. I think that these data are in favour of the proposed classification as Flavoparmelia caperata.
As a final remark let me add that, while observing the spores, it seemed to me that some of them appear to be 1-septate or at least with some internal division. I wonder if this is not the same phenomenum already observed in the spores of Xanthoparmelia (see observation 78135).
Created: 2012-09-01 06:36:07 PDT (-0700)
Last modified: 2012-09-01 06:38:45 PDT (-0700)
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