Observation 11724: Physconia americana Essl.
When: 2007-07-15
Herbarium specimen reported
0 Sequences

foliose lichen, on oak bark
THALLUS: appressed, lobes 1-2 mm wide, light to dark grey, heavily white pruinose esp. near tips, lobulate, underside whitish to tan/brown in center, abundant squarrose black rhizines
APOTHECIA: abundant, v white pruinose, erose to lobulate margins

Proposed Names

87% (1)
Eye3 Eyes3
Used references: Nash’s Sonoran Flora

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2008-09-30 19:50:54 PDT (-0700)
Last modified: 2008-09-30 19:50:54 PDT (-0700)
Viewed: 64 times, last viewed: 2017-06-05 00:56:03 PDT (-0700)