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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: In all habitats with hardwood trees

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Description

Pale green, smooth to slightly lumpy, continuous to rimose thallus with bright red to orange apothecia, their margins concolorous with disks; disks sometimes discolored or dark with age, & becoming irregular in shape; CHEMISTRY: thallus K-, UV+ yellow (lichexanthone), disks K+ dark purple (anthraquinone); FIELD ID possible to species complex, at least; field K test makes ID to species possible, but take care to only test thallus, not disks

Similar Species

Ramboldia haematites is identical, but the thallus reacts K+ red; Haematomma species have red disks with thalline (green) rims

Related Rare Species

None

Habitat

In all habitats with hardwood trees; substrates: hardwood bark: 48% Quercus, 7% Acer & 43% other hardwoods or unknowns; conifer bark: 2 records from Taxodium & 1 from Pinus; a twig & small branch specialist

Life History

Corticolous crustose lichenized fungus, photobiont a chlorococcoid alga (Trebouxia?)

Survey Recommendations

None

Range

Statewide in lowlands; not recorded on Cumberland Plateau or in Southern Blue Ridge

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.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

4 August 2022