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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: GNR

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: None

Element Occurrences (EOs) in Georgia: 0

Habitat Summary for element in Georgia: Small outcrops, boulders, cobble

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Description

Whitish to pale creamy or yellowish thallus with black-rimmed black disks; young disks emerge with thin layer of thallus covering rims (concolorous with thallus) that mature to black; CHEMISTRY: thallus UV+ orange (xanthone); FIELD ID: possible with field UV test

Similar Species

Other Buellia species are UV-

Related Rare Species

Buellia circumpallida

Habitat

Small outcrops, boulders, cobble, on silicious rock

Life History

Saxicolous crustose lichenized fungus, photobiont a green, unicellular alga in Trebouxia

Survey Recommendations

None

Range

Statewide

Threats

Unknown

Georgia Conservation Status

Uncommon to fairly common

Conservation Management Recommendations

None

References

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.

Harris, R. C. & D. Ladd. 2005. Preliminary draft: Ozark lichens. Unpublished manuscript, New York Botanical Garden, Bronx, NY.

Nash III, T. H., C. Gries & F. Gungartz (eds.). 2007. Lichen flora of the greater Sonoran Desert region. Vol. III. Lichens Unlimited, Arizona State University, Tempe.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

6 March 2022