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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: Mesic hardwood forest, maritime forest

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Description

Orange to yellow-green continuous thallus with orange isidia becoming thick toward middle; disks not seen; CHEMISTRY: thallus K+ purple (anthraquinones); FIELD ID: unmistakable with a close look to see isidia

Similar Species

Caloplaca granularis until a closer look is taken & soredia seen; sometimes the isidia of Neoprotoparmelia amerisidiata can look orangish, but they never turn purple with KOH

Related Rare Species

None

Habitat

Mesic hardwood forest, maritime forest, on hardwood bark, also rarely on Juniperus & wood of dead hardwood

Life History

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

Survey Recommendations

None

Range

Coastal Plain

Threats

Unknown

Georgia Conservation Status

Occasional

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

13 July 2022