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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: Limestone outcrop, coastal tabby ruins

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Description

Thallus almost continuous, or rimose-areolate, or of dispersed areoles, sometimes appearing squamulose or lobed at edges; areoles orange, sometimes showing a prominent black prothallus; apothecia sessile, orange, with a paler orange rim; chemistry: thallus & apothecia K+ purple (anthraquinones)

Similar Species

Gyalolechia flavovirescens has a consistently continuous, yellow thallus; Caloplaca cinnabarina also has orange thallus & apothecia, but the latter are immersed in thallus

Related Rare Species

None

Habitat

Recorded on limestone & coastal tabby ruins (a man-made conglomerate of lime & sea shells)

Life History

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

Survey Recommendations

None

Range

Coastal Plain, Ridge & Valley

Threats

Unknown

Georgia Conservation Status

Rare

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

30 July 2022