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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G5

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: Flat-rock outcrops

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Description

Squamules reddish to orange-brown, flat to convex, 1-6 mm in diameter, pruinose at edges or at least margins; apothecia black, along the edges of some squamules; FIELD ID possible, taking care to eliminate 2 congeners

Similar Species

Psora icterina squamules are green with yellow margins, & black apothecia are on surface of squamules, not on edges; Psora pseudorussellii also has brown squamules with white-pruinose edges, but its brown apothecia are on the surface of squamules, not on edges

Related Rare Species

None

Habitat

Flat-rock outcrops, on bare soil over limestone or silicious rock

Life History

Saxicolous squamulose lichenized fungus, photobiont a green alga (Myrmecia)

Survey Recommendations

None

Range

Cumberland Plateau, Southern Blue Ridge

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

5 August 2022