Notes: The color of the thallus and of the apothecia on it, the form of the lobes (which are slightly convex), the existence of phyllidia mainly on the lobe tips, the pruina on the apothecia, the rhizines on the underside, all point to the genus Physconia. However, it was growing smong mosses over rock and most species of this genus are corticolous. I only was able to find a terricolous species – P. muscigenea – which has as distinguish feature the concave lobes.
The thallus of this specimen was loosely attached to the substract and I had no difficulty in removing it intact.
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Created: 2012-01-04 12:35:44 PST (-0800)
Last modified: 2012-01-04 12:36:43 PST (-0800)
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