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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: Pine woodlands, mixed forests, open swamps

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Description

Pale yellow-green thallus of fragile, elongate lobes 1-2 mm wide, with crumbling pustules that can develop into soralia; undersides pale; thalli may form rosettes (“starbursts”) if on flat bark, but often grow in bark cracks, distorting pattern; FIELD ID: lemon-lime color, pustules, & fragile lobes assist ID; note habitat

Similar Species

Hypotrachyna species are gray with black undersides

Related Rare Species

None

Habitat

Pine woodlands, mixed forests, open swamps; substrates: conifer bark: 81% Pinus, 8% Taxodium & 3 records on Juniperus; 3 records on hardwood bark (Quercus, Crataegus) & 2 on wood

Life History

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

Survey Recommendations

None

Range

Mostly statewide in lowlands; absent from Southern Blue Ridge & Cumberland Plateau

Threats

Unknown

Georgia Conservation Status

Uncommon

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

16 May 2022