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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G3G4

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: Granitic outcrops

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Description

Dark purple-brown, areolate, minutely lumpy thallus, turning purple or reddish when wet; areoles somewhat glossy, not matte or powdery; apothecial rims thalline, thick, raised above disk, closed to a pore when young then maturing to slightly open, dark disk; MICROSCOPY: paraphyses persistent in hymenium, spores simple, colorless, about 12 x 8 µm; FIELD ID not possible

Similar Species

Other species in the notoriously difficult-to-identify order Lichinales; with a few exceptions, these require examination by an expert

Related Rare Species

None

Habitat

Granitic outcrops, on silicious rock; only observed on granitic rock in Ga.

Life History

Saxicolous crustose lichenized fungus, photobiont a cyanobacterium in Gloeocapsa

Survey Recommendations

None

Range

Piedmont

Threats

Uknown

Georgia Conservation Status

Probably more common in Ga. than the G-rank or number of specimens would suggest, due to difficulty of identification (many specimens identified to genus only)

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

5 August 2022