On old redwood fence board from a long ago abandoned ranch corral, in dry grassland setting with planted eucalyptus and pines.

Thallus not evident, sorediate, strongly K+R, apothecia not found. Not yet 100% on the ID, need to look at it a little more, maybe I just haven’t seen this species off oak tree bark before.

Widespread on fence boards. Occurs with Cyphelium tigillare, Xanthoria tenax, Caloplaca stipitata, and others.


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