Observation 131890: Pertusaria
When: 2013-04-07
Who: zaca
No herbarium specimen

Notes: Growing on bark.
The chemical reactions are singular and as far as I could see correspond to a single species of Pertusaria growing on bark: P. flavida. However that species is isidiate. Other species living on bark cited in the British Flora that can cause confusion are: Lecanora explallens, Lecanora alboflavida and Pyrrhospora quernea. The latter I know very well and devoted to it some observations. Concerning the to the two species of Lecanora, they are very different from this material. What could be then?

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Created: 2013-04-14 15:04:17 PDT (-0700)
Last modified: 2013-04-14 15:04:19 PDT (-0700)
Viewed: 14 times, last viewed: 2016-04-16 16:57:24 PDT (-0700)
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