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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G4G5

State Rank: SU

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: Granitic outcrop

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Description

Olive-green thallus of squamules 1.5-3 mm in diameter; apothecia immersed, rare; sorediate at margins, creating a contrasting black or gray border; attached at single umbilicus

Similar Species

None

Related Rare Species

None

Habitat

Granitic outcrop, on silicious rock (granitic gneiss)

Life History

Saxicolous squamulose lichenized fungus, photobiont a cyanobacterium in Anacystis (Brodo 2001) or 1 of Chroococcidiopsis or Myxosarcina (Nash et al. 2002)

Survey Recommendations

None

Range

Piedmont

Threats

Unknown

Georgia Conservation Status

Rare; noted on 1 small heavily used outcrop

Conservation Management Recommendations

Attempt to relocate the species on outcrop

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. 

Nash III, T. H., B. D. Ryan, C. Gries & F. Gungartz (eds.). 2002. Lichen flora of the greater Sonoran Desert region. Vol. I. Lichens Unlimited, Arizona State University, Tempe.
 

Authors of Account

Malcolm Hodges

Date Compiled or Updated

30 June 2022