Observation 271738: Lichen P. Micheli

When: 2017-03-03

Collection location: Bear Gulch, Pinnacles National Park, San Benito Co., California, USA [Click for map]

Who: Pgrunow

No specimen available

Crater Lichen- like crust on left half of picture.
Thallus mostly endolithic?


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29% (1)
Recognized by sight
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Recognized by sight
27% (1)
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Thallus is visible
By: J-Dar
2017-05-23 05:47:44 PDT (-0700)

as a rock-colored crust, and the apothecia with those white pruinose rims look like Aspicilia, or Circinaria.