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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G3G5

State Rank: SU

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

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Description

Dark gray to black, shrubby thallus of strap-shaped lobes, 0.3-1.5 mm wide, with thickened, paler margins or tips, lobe surfaces rough, matte; lobes sometimes arching away from substrate; apothecia not seen; FIELD ID: unmistakable

Similar Species

Other dark cyanolichens lack the robust, thick strap-shaped lobes of this species, in this habitat

Related Rare Species

None

Habitat

Limerock outcrop, on limestone

Life History

Saxicolous foliose/fruticose lichenized fungus, photobiont a cyanobacterium in Chroococcales

Survey Recommendations

None

Range

Cumberland Plateau

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.

Harris, R. C. & D. Ladd. 2005. Preliminary draft: Ozark lichens. Unpublished manuscript, New York Botanical Garden, Bronx, NY.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

1 August 2022