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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 High Priority Species (SGCN): No

Element Occurrences (EOs) in Georgia: 0

Habitat Summary for element in Georgia: Swamps, bottomland forests

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Description

Pale white to light-green thallus with black disks, those with somewhat prominent black rims; MICROSCOPY: spores 8/ascus, brown, 2-celled, 14-22 x 6-8 µm, hymenium inspersed with oil droplets, greenish above, green pigment turning purple in KOH wet mount; CHEMISTRY: thallus K+ red (norstictic acid); FIELD ID: the confusing array of black-dot lichens on bark require dissection to identify

Similar Species

Other Cratiria, Buellia, Baculifera, Bactrospora, Amandinea, etc.

Related Rare Species

Buellia circumpallida

Habitat

Swamps, bottomland forests, on hardwood bark, 2 records on Taxodium

Life History

Corticolous crustose lichenized fungus, photobiont a green, unicellular alga in Trebouxia

Survey Recommendations

None

Range

Coastal Plain

Threats

Unknown

Georgia Conservation Status

Rare

Conservation Management Recommendations

None

References

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. 1995. More Florida lichens including the 10-cent tour of the pyrenolichens. Unpublished manuscript, Bronx, N.Y.

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 Unpublished manuscript, New York Botanical Garden, Bronx, NY.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

6 March 2022