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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: Forests, woodlands and swamps

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Description

Thin almost imperceptible thallus with black hemispherical disks; black pycnidia scattered between disks, often on short stalks; MICROSCOPY: colorless, single-celled spores, epihymenium olive-gray to olive-brown, hypothecium colorless; CHEMISTRY: epihymenium K+ violet (pigment?); FIELD ID not possible, requires dissection to identify

Similar Species

Other Micarea species have different combinations of spore characteristics & apothecial pigments/chemistry

Related Rare Species

None

Habitat

Forests, woodlands & swamps, on Pinus wood, Taxodium bark & soil/detritus

Life History

Corticolous/lignicolous crustose lichenized fungus, photobiont 1 of various chlorococcoid unicellular green algae

Survey Recommendations

None

Range

Coastal Plain, Piedmont

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 Unpublished manuscript, New York Botanical Garden, Bronx, NY.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

5 May 2022