Observation 87086: Lichen P. Micheli

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Eye3 Eyes3
Recognized by sight: on bare rock

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Several possibilites
By: Jason Hollinger (jason)
2012-01-28 17:16:03 CST (-0500)

There are several Xanthoria spp., e.g. X. fulva (K+ strong wine/red) which form diffuse colonies on rock. Also should consider Candelaria and Candelariella, both K+ weak reddish or K-. It will help to get a good close look at it to see if there are intact lobes, and whether they have upper and lower cortex, and where the granules are formed (under lobes? on margins? at tips?). Also check for darker orange “pimples” (pycnidia, likely sign of Caloplaca although not necessarily) and of course apothecia (all three can produce apothecia).

Created: 2012-01-28 16:45:45 CST (-0500)
Last modified: 2012-01-28 16:45:49 CST (-0500)
Viewed: 12 times, last viewed: 2017-06-10 09:30:51 CDT (-0400)
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