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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G4G5TNR

State Rank: SNR

Element Locations Tracked in Biotics: No

SWAP 2015 Species of Greatest Conservation Need (SGCN): No

SWAP 2025 Species of Greatest Conservation Need (SGCN): No

2025 SGCN Priority Tier:

Element Occurrences (EOs) in Georgia: 0

Habitat Summary for element in Georgia: Mesic hardwood forests

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Description

Pale green to white thallus with large, variably white-pruinose disks, rims puffy & white; disks round in shape when young, older disks irregular; CHEMISTRY: medulla of apothecial margin PD+ red, disk C-; FIELD ID: possible with experience, but best to confirm with chemical tests

Similar Species

Lecanora subpallens has C+ yellow disks

Related Rare Species

None

Habitat

Mesic hardwood forests, on hardwood bark

Life History

Corticolous crustose lichen, photobiont a species of alga in genus Pseudotrebouxia

Survey Recommendations

None

Range

Southern Blue Ridge

Threats

Unknown

Georgia Conservation Status

Rare

Conservation Management Recommendations

None

References

Brodo, I. M. 2001. Lichens of North America. Yale University Press, New Haven, Conn.

Brodo, I. M. 2016. Keys to lichens of North America: revised and expanded. Yale University Press, New Haven, Conn.

Esslinger, T. L. 2021. A cumulative checklist for the lichen-forming, lichenicolous and allied fungi of the continental United States and Canada. Version 24. Opuscula Philolichenum 20: 100-394.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

4 April 2022