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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:

Element Occurrences (EOs) in Georgia: 0

Habitat Summary for element in Georgia: Mostly moist hardwood forests and swamps

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Description

White to pale pink thallus with bright pink to red lirellae; MICROSCOPY: spores colorless, 7-8-celled; FIELD ID: bold color of lirellae leaves little doubt about ID, with experience

Similar Species

Coniarthonia gregarina is similar, & occurs in nearby states (Florida, Mississippi), but has muriform spores; Arthonia cinnabarina has dull reddish lirellae

Related Rare Species

None

Habitat

Mostly moist hardwood forests & swamps; substrates: mostly on hardwood bark: 37% Quercus, 17% Ilex, 10% Myrica, 7% Acer, 27% other hardwoods; 1 record on Taxodium, 1 on Juniperus 

Life History

Corticolous lichenized fungus, photobiont a species of alga in genus Trentepohlia

Survey Recommendations

None

Range

Mostly Coastal Plain, with a couple of outlier records from the Piedmont

Threats

Unknown

Georgia Conservation Status

Uncommon

Conservation Management Recommendations

None

References

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.

Grube, M. 2001. Coniarthonia, a new genus of arthonioid lichens. Lichenologist 33: 491-502.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

25 July 2022