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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: Mesic hardwood forests and swamps

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Description

Pale green thallus with bright orange-red disks; disks rimmed with a lumpy green thalline rim; rarely white-sorediate; MICROSCOPY: colorless, sinuous spores often 8-10-celled at maturity; CHEMISTRY: disk K+ deep burgundy-red (russulone); FIELD ID: thalli with prominent rims are fairly easily identified, but a field K test on a disk (possible, with experience, noting black vs. deep red) is recommended to confirm

Similar Species

Haematomma persoonii has smooth rims even with disk & spores consistently 6-7-celled when mature (see key below); other similar Haematomma have haematommone pigment in disk, K+ purple-black

Related Rare Species

None

Habitat

Mesic hardwood forests & swamps, on hardwood bark, mostly Quercus & Acer

Life History

Corticolous lichenized fungus, photobiont a species of green alga (Trebouxia?)

Survey Recommendations

None

Range

Coastal Plain

Threats

Unknown

Georgia Conservation Status

Rare to occasional

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.

Brodo, I. M., W. L. Culberson & C. F. Culberson. 2008. Haematomma (Lecanoracaea) in North and Central America, including West Indies. Bryologist 111: 363-423.

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

10 March 2022