When: 2019-01-26

Collection location: West Side Railroad Trail, Tuolumne, California, USA [Click for map]

Who: Pgrunow

No specimen available

Notes:
on exposed sedimentary rock

Images

Proposed Names

29% (1)
Recognized by sight: I was hoping this would be something different, since it was growing on rock, but apparently this species can grow on rock occasionally. As best I can tell, this is what it is, but if opinions differ, feel free to say so
Used references: California Lichen, Lichen Portal

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= Observer’s choice
= Current consensus

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