Observation 11628: Physcia aipolia (Ehrh. ex Humb.) Fürnr.
When: 2007-01-13
Herbarium specimen reported

Notes: foliose lichen, on oak bark
THALLUS: closely appressed, light grey, flat to slightly concave at tips, abundant white pruina near tips, abundant conspicuous white maculae except at tips, white below w/ white rhizines, K+y
MEDULLA: white, K+y
APOTHECIA: abundant, black disk w/ abundant white pruina

Pruinose, maculate Physcia with K+y medulla on trees is usually P. aipolia.

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Created: 2008-09-27 17:56:44 CDT (-0400)
Last modified: 2008-09-27 17:56:44 CDT (-0400)
Viewed: 94 times, last viewed: 2016-10-25 07:28:22 CDT (-0400)