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When: 2007-07-15

Collection location: San Gabriel Mountains, Los Angeles Co., California, USA [Click for map]

Who: Jason Hollinger (jason)

Specimen available

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)
Used references: Nash’s Sonoran Flora
58% (1)
Recognized by sight: the notes correspond to a specimen not pictured; the things in the two photos are clearly a Physcia of some sort

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= Observer’s choice
= Current consensus


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