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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G4G5

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

Crowded pale-green lobes tightly adhering to substrate, dividing to fill all space as lichen grows out; older parts of thallus with isidiate pustules breaking open at top; no rhizines on black underside; FIELD ID: unmistakable if carefully observed, given that others in the genus have either mounded soralia or disks

Similar Species

Sorediate Dirinaria are superficially similar until a closer look is taken

Related Rare Species

None

Habitat

Woodlands, forests & swamps; substrates: hardwood bark: 33% Nyssa, 33% Quercus, 29% other hardwoods; 1 record on Pinus, 1 on Taxodium

Life History

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

Survey Recommendations

None

Range

Coastal Plain

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

27 July 2022