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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: GNR

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 hardwood forests and swamps

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Description

Pale to green thallus smooth to granular, with tiny, variably pale to dark disks, usually flat, sometimes convex; MICROSCOPY: pale-disks have colorless interior, darker disks can have brown epihymenium & hypothecium; spores colorless, 11-27 x 1.2-2.5 µm; FIELD ID possible with very pale-disked thalli; otherwise, dissection required

Similar Species

Bacidina assulata has darker disks; others are mostly found on rocks

Related Rare Species

None

Habitat

Mesic hardwood forests & swamps, on hardwood bark

Life History

Corticolous crustose lichenized fungus, photobiont one of multiple species of green, unicellular algae

Survey Recommendations

None

Range

Piedmont & Coastal Plain

Threats

Unknown

Georgia Conservation Status

Rare to occasional

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 Unpublished manuscript, New York Botanical Garden, Bronx, NY.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

5 March 2022