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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:

Element Occurrences (EOs) in Georgia: 0

Habitat Summary for element in Georgia: Mesic hardwood forest

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Description

Whitish to gray thallus continuous, lumpy, lifting off substrate, with small, scattered networks of branched lirellae visible only as fine, dark cracks in thallus; MICROSCOPY: exciple not evident, epihymenium orange to red-brown, spores 4-celled, about 15-20 x 5 µm; CHEMISTRY: PD+ bright yellow (psoromic acid); FIELD ID: general aspect of lirellae is unmistakable with experience (difficult to obtain in Ga.); best confirmed with dissection & chemical test

Similar Species

None

Related Rare Species

None

Habitat

Mesic hardwood forest, on bark of Acer & Fagus

Life History

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

Survey Recommendations

None

Range

Coastal Plain

Threats

Unknown

Georgia Conservation Status

Rare, at the northern edge of the species’ range on the continent

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.

Harris, R. C. 1995. More Florida lichens including the 10-cent tour of the pyrenolichens. Unpublished manuscript, Bronx, N.Y.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

30 July 2022