Loading profile. Please wait . . .

---

Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G3G5

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: Widespread in woodlands, forests and swamps

---

Description

Pale gray, erect or pendant lobes with abundant cilia along margins, creating a shrubby thallus; undersides white; lobes tipped with gray-pruinose apothecia facing away from thallus, disk edges rimmed with cilia & sometimes small lobes; FIELD ID: unmistakable

Similar Species

None

Related Rare Species

Heterodermia appalachensis, H. crocea, H. erecta

Habitat

Widespread in woodlands, forests & swamps; substrates: 28% Quercus bark, 14% Taxodium, 10% Celtis, & 40% other hardwoods or unknowns; 2 records on Juniperus, 1 on moss at base of a hardwood, & 1 on soil over silicious rock

Life History

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

Survey Recommendations

None

Range

Statewide

Threats

Unknown

Georgia Conservation Status

Uncommon (fairly common on certain sites)

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