Observation 113187: Punctelia caseana Lendemer & Hodkinson
When: 2012-07-11
No herbarium specimen

Notes: Foliose lichen found on tree bark.

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Recognized by sight

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Eye3 = Observer’s choice
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There are a few other species
By: Jason Hollinger (jason)
2012-10-11 15:17:42 PDT (-0700)

Punctelia borreri and P. reddenda both have black underside instead of pale/brownish. But they seem to be much rarer. The others: P. missouriensis has extremely coarse soredia, clearly not yours; and P. perreticulata has a strong network of ridges and pits throughout the thallus, again clearly not yours. P. caseana used to be called P. subrudecta until a few years ago, so use that name to look up photos in, e.g., Lichens of North America (Brodo et al 2001).

Created: 2012-10-11 14:26:21 PDT (-0700)
Last modified: 2012-10-11 15:14:08 PDT (-0700)
Viewed: 21 times, last viewed: 2016-10-27 09:43:30 PDT (-0700)
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