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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G5

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: Mesic hardwood forests and swamps

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Description

Pale green lobes of middling size, often with squarish tips, the surface smooth; apothecia large and flat with thin, even rims & brown disks (unless scarred by grazing mollusks, as above); CHEMISTRY: medulla K+ yellow to red, PD+ orange (galbinic acid); FIELD ID: smooth, squarish lobes & flat disks with smooth, low rims are clues, but chemicals tests likely needed to confirm ID given lookalikes mentioned below

Similar Species

Hypotrachyna livida has lumpy or lobed rims on disks, older lobe surfaces are often wrinkled, & its medulla is K+ pink-brown, PD-; Bulbothrix confoederata is smaller, has bulbous cilia, and its medulla is K-, PD-

Related Rare Species

None

Habitat

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

Life History

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

Survey Recommendations

None

Range

Mostly north of the Fall Line; rare in Coastal Plain

Threats

Unknown

Georgia Conservation Status

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.

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

6 May 2022