Observation 270327: Pertusaria amara (Ach.) Nyl. (Site ID) (Lepra amara)

When: 2017-02-18

Collection location: Bear Valley Visitors Center, Point Reyes Station, Marin Co., California, USA [Click for map]

Who: Pgrunow

No specimen available

lichen in center with white apothecia
grew on Coast Live Oak and Tanoak


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= Observer’s choice
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