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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: Woodlands, forests and swamps

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Description

Green to olive or grayish continuous thallus sometimes slightly glossy, with crowded isidia, beginning as buttons & lengthening to become coralloid (see closeup photo below); isidia sometimes tipped with golden or coppery hues; FIELD ID: unmistakable

Similar Species

None

Related Rare Species

None

Habitat

Woodlands, forests & swamps; substrates: hardwood bark: 27% Quercus, 13% Acer, 8% Magnolia, 5% Carya, 5% Ilex, 5% Nyssa & 14% other hardwoods or unknowns; conifer bark: 8% Pinus, 8% Taxodium & 5% Juniperus; 1 record on moss over bark

Life History

Corticolous crustose lichenized fungus, photobiont a chlorococcoid green alga (Trebouxia?)

Survey Recommendations

None

Range

Mostly Coastal Plain, thinly scattered north of the Fall Line; not in Southern Blue Ridge

Threats

Unknown

Georgia Conservation Status

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.

Lendemer, J. C. & H. T. Lumbsch. 2008. Protoparmelia capitata sp. nov., and P. isidiata Diederich, Aptroot & Sérus., two species of Protoparmelia (Lecanorales, Ascomycota) from south-eastern North America. Lichenologist 40: 329-336.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

4 August 2022