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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G3G5

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: Rocky forests, shaded cliffs and outcrops

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Description

Pale green lobes narrow, smooth, slightly glossy, with stout, squat isidia; medulla patchily yellowish; CHEMISTRY: medulla K+ orange to red, PD+ orange (galbinic acid); FIELD ID possible with experience, using stout isidia & yellowish medulla as clues

Similar Species

Isidiate Xanthoparmelia species have small, inconspicuous isidia & white medullae

Related Rare Species

None

Habitat

Rocky forests, shaded cliffs & outcrops, on silicious rock, usually in at least partial shade, rarely full sun; 2 records on Quercus bark

Life History

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

Survey Recommendations

None

Range

Mostly above the Fall Line, in Cumberland Plateau, Ridge & Valley, Southern Blue Ridge & Piedmont; sparingly into the Coastal Plain just south of the Fall Line

Threats

Unknown

Georgia Conservation Status

Fairly common

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

6 May 2022