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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: Mesic forests

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Description

Foliose thallus dark green & gelatinous when wet, blue-gray, stiff & opaque when dry, both above & below; lobe surfaces unwrinkled & without isidia; chestnut-colored apothecia common, with blue-gray rims; FIELD ID: some specimens have sparse apothecia, but check carefully for lack of isidia

Similar Species

Leptogium cyanescens has isidia on upper surface; Leptogium austroamericanum is wrinkled on the lobe surfaces & also isidiate

Related Rare Species

None

Habitat

Mesic forests, on rock & hardwood bark

Life History

Corticolous (or saxicolous) foliose lichenized fungus, photobiont a cyanobacterium in genus Nostoc

Survey Recommendations

None

Range

Scattered statewide

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

22 April 2022