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Greater Salted Rocktripe Lichen

Umbilicaria proboscidea


Thallus attached at central point, lacking isidia. Gray to dark brown with black apothecia and a network of white-pruinose ridges.


Exposed basalt. Scabland-shrub steppe.

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Spotted by

Washington, USA

Spotted on Aug 7, 2019
Submitted on Sep 6, 2019

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