Loading profile. Please wait . . .

---

Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: GNR

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: Mesic hardwood forests and swamps

---

Description

Whitish to pale green thallus with raised black lirellae; thalline margin covers lower half of lirellae; most lirellae tightly closed (disks concealed), some open, exposing black disk; labia simple, not striate; MICROSCOPY: exciple laterally carbonized; hymenium clear; spores septate; CHEMISTRY: thallus K+ red (norstictic acid); FIELD ID: most Graphis are best left at genus without dissection & chemical tests

Similar Species

No other Graphis species in Ga. has simple black lirellae, a clear hymenium, & a K+ red thallus

Related Rare Species

Graphis endoxantha

Habitat

Mesic hardwood forests & swamps, on hardwood bark

Life History

Corticolous crustose lichenized fungus, photobiont a species of alga in genus Trentepohlia

Survey Recommendations

None

Range

Coastal Plain, with single records from the Piedmont & Southern Blue Ridge

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.

Lücking, R., A. W. Archer & A. Aptroot. 2009. A world­wide key to the genus Graphis (Ostropales: Graphidaceae). Lichenologist 41: 363­452.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

8 March 2022