Umbilicaria
20 species
1 subspecies and varieties
1 subspecies and varieties
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Umbilicaria angulata
Description: Thallus grey to purplish, lower surface black, rhizines present. Apothecia black, common.
Distribution: Washington; Alaska to California.
Habitat: Exposed rock.
Substrate: Non-calcareous rock.
Description: Thallus grey to purplish, lower surface black, rhizines present. Apothecia black, common.
Distribution: Washington; Alaska to California.
Habitat: Exposed rock.
Substrate: Non-calcareous rock.
