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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: None

Element Occurrences (EOs) in Georgia: 0

Habitat Summary for element in Georgia: Montane forests

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Description

Pale green lobes, long and strap-like, with coarse soredia beneath lobe tips; cilia-like rhizines along edges, long & dark; underside ecorticate, white; thallus arches away from the substrate, becoming essentially fruticose; FIELD ID possible with careful examination of undersides

Similar Species

Heterodermia appalachensis also has narrow, strap-like lobes, but they adhere more closely to the substrate & have yellow pigment below

Related Rare Species

Heterodermia appalachensis, H. crocea, H. erecta

Habitat

Montane forests, mostly on Quercus bark; also found on a few other hardwoods

Life History

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

Survey Recommendations

None

Range

Southern Blue Ridge

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.

Lendemer, J. C. 2009. A synopsis of the lichen genus Heterodermia (Physciaceae, lichenized Ascomycota) in eastern North America. Opuscula Philolichenum 6: 1-36.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

23 March 2022