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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G5

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: Sandy woodlands

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Description

Thallus of dark granules less than 1.5 mm in diameter; apothecia common, dark reddish-brown to near black, round to irregular, with rough rim, flat to slightly convex; Microscopy: spores colorless, simple

Similar Species

Placynthiella oligotropha thallus has larger granules, 0.1-0.3 mm in diameter

Related Rare Species

None

Habitat

Sandy woodlands, on sandy soil

Life History

Terricolous crustose lichenized fungus, photobiont a green alga (Chlorella?)

Survey Recommendations

None

Range

Widely scattered records in Coastal Plain

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.

Tripp, E. A. & J. C. Lendemer. 2020. Field guide to the lichens of Great Smoky Mountains National Park. The University of Tennessee Press, Knoxville.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

3 August 2022