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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: GU

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: Swamp forests

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Description

Filamentous thallus green to orange, densely tufted; difficult to distinguish from Trentepohlia algae except when fertile; apothecia bright orange, a flat disk when viewed from side; MICROSCOPY: colorless spores 2-celled; FIELD ID: with experience, can be told from C. interplexum, which has a looser thallus & a thickened, conical base beneath disks ("stalked," in the literature)

Similar Species

Coenogonium interplexum has looser tufts & thickened conical bases to disks; C. interpositum, not yet known from Ga., has single-celled spores

Related Rare Species

None

Habitat

Swamp forests, on hardwood bark (Nyssa, Liquidambar)

Life History

Corticolous micro-fruticose lichenized fungus, photobiont an alga in genus Trentepohlia

Survey Recommendations

None

Range

Southern Coastal Plain

Threats

Unknown

Georgia Conservation Status

Rare

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

25 July 2022