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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: Overhangs on limestone outcrops

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Description

Small black lirellae on obscure thallus; MICROSCOPY: spores colorless, 6-8-celled; FIELD ID: on limestone, tiny black lirellae with no discernible thallus are likely this species (use acid test to confirm rock is limestone)

Similar Species

None

Related Rare Species

None

Habitat

Overhangs on limestone outcrops

Life History

Saxicolous crustose lichenized fungus, photobiont an alga in genus Trentepohlia

Survey Recommendations

None

Range

Cumberland Plateau

Threats

Quarrying

Georgia Conservation Status

Rare

Conservation Management Recommendations

Conserve limestone outcrops

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

27 February 2022