Notes: There are some Pertusaria sp. with this kind of thallus and the chemical reactions point to P. hemisphaerica. However, this species usually lives on the bark of trees, whereas my specimens lives on rock, and has a distinct zoned white prothallus. Another possibility from the chemical reactions point view is Ochrolechia androgyna, but the thallus and soredia seem to be a bit different from this specimen.
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Created: 2011-05-03 10:57:44 PDT (-0700)
Last modified: 2011-05-03 10:57:45 PDT (-0700)
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