Loading profile. Please wait . . .

---

Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: GNRTNR

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: Altamaha Formation outcrop complex

---

Description

Thallus indistinct; black disks variably dusted with fine yellow-green pruina; rims black; MICROSCOPY: disks lecideine, with dark epihymenium, spores colorless, 4-5(-7)-celled, acute-tipped, thicker toward 1 end, about 20-27 x 5-6 µm; FIELD ID: unmistakable

Similar Species

None

Related Rare Species

None

Habitat

Altamaha Formation outcrop complex, on sandstone

Life History

Saxicolous crustose lichenized fungus, photobiont an alga in Trentepohlia

Survey Recommendations

Search additional outcrops in other counties with Altamaha Formation outcrops

Range

Coastal Plain

Threats

Habitat degradation or destruction

Georgia Conservation Status

Rare

Conservation Management Recommendations

Conserve additional Altamaha Formation sandstone outcrops

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

26 July 2022