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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: Cypress swamps and savannas, mesic forests, xeric sandhill woodlands

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Description

Pale yellow-green thallus continuous to rimose; lemon-yellow disks (due to yellow pruina) with thick rims, old rims beaded or with striate grooves; old disks may appear to contort or fold in upon themselves (photo below); CHEMISTRY: thallus K-, KC+ yellow-gold; FIELD ID: distinctive, but field chemical tests needed to confirm ID

Similar Species

Lecanora louisianae also has yellow disks, but its thallus is K+ yellow & its disks C+ orange

Related Rare Species

None

Habitat

Cypress swamps & savannas, mesic forests, xeric sandhill woodlands; substrates: 67% Taxodium bark, the rest on Quercus, Juniperus, Carya & Pinus

Life History

Corticolous crustose lichenized fungus, photobiont a unicellular green alga (Pseudotrebouxia)

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

17 April 2022