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Umbilicaria phaea Tuck.

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Scientific name
Umbilicaria phaea
Author
Tuck.
Common names
 
IUCN Specialist Group
Lichens
Kingdom
Fungi
Phylum
Ascomycota
Class
Lecanoromycetes
Order
Umbilicariales
Family
Umbilicariaceae
Assessment status
Published
Assessment date
2021-02-03
IUCN Red List Category
LC
Assessors
Allen, J. & McMullin, T.
Reviewers
Lendemer, J.

Assessment Notes

The content on this page is fetched from The IUCN Red List of Threatened Species: https://www.iucnredlist.org/species/80703140/109425801

Justification

Umbilicaria phaea is widespread and abundant throughout western North America. There are two highly disjunct records as well, one from Ontario, Canada, and the other from Michigan, USA. There is no evidence for substantial declines of this species, and it is assessed as Least Concern.

Geographic range

Umbilicaria phaea occurs throughout western North America from Baja California in Mexico north to British Columbia in Canada and east to Colorado in the United States. There are two records from eastern North America one in Ontario, Canada, and one in Michigan, USA.

Population and Trends

Umbilicaria phaea is widespread and abundant on rocky outcrops and cliffs. The population size is suspected to be stable.

Population Trend: stable


Habitat and Ecology

Umbilicaria phaea grows on a diversity of rock types and can be found on boulders, rock outcrops, and cliffs.

Threats

While this species' population size is likely not thought to be declining, residential development and expanding urban areas throughout the west can lead to local extirpation of individuals.

Conservation Actions

No actions are currently thought to be necessary.

Source and Citation

Allen, J. & McMullin, T. 2021. Umbilicaria phaea. The IUCN Red List of Threatened Species 2021: e.T80703140A109425801. https://dx.doi.org/10.2305/IUCN.UK.2021-2.RLTS.T80703140A109425801.en .Downloaded on 24 September 2021

Country occurrence