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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 High Priority Species (SGCN): No

Element Occurrences (EOs) in Georgia: 0

Habitat Summary for element in Georgia: Mesic hardwood forests and swamps

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Description

Thin, dull green or blue-green thallus with yellow-to-brown disks; disks rimmed white, the rim fuzzy, composed of felted fungal hyphae; CHEMISTRY: thallus UV+ orange (xanthones); FIELD ID: yellow-disked forms unmistakable, but thalli with browner disks need field UV test to confirm

Similar Species

Other Byssoloma species are UV-, & have consistently darker disks

Related Rare Species

None

Habitat

Mesic hardwood forests & swamps; substrates: 92% hardwood bark: 25% Quercus spp., 21% Acer spp., 6% Ilex spp.; 7% various conifers; 1 on silicious rock

Life History

Corticolous lichenized fungus, photobiont a species of green unicellular alga

Survey Recommendations

None

Range

Mostly Coastal Plain; scattered Piedmont records

Threats

Unknown

Georgia Conservation Status

Common

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 Unpublished manuscript, Bronx, N.Y.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

6 March 2022