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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 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: Seepy rock outcrops in open areas

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Description

Black to olive-brown thallus with long, ruffled lobes radiating from dark center; multiple holdfasts attach lobes to rock; MICROSCOPY: perithecia globose, 0.2-0.3 mm in diameter, spores colorless, simple, less than 15 µm long; FIELD ID possible with experience, as others in this genus have different morphology

Similar Species

Dermatocarpon muhlenbergii has larger perithecia, 0.4-0.6 mm across & usually on calcareous rock; D. luridum has short over-lapping lobes

Related Rare Species

None

Habitat

Seepy rock outcrops in open areas, on silicious rock

Life History

Saxicolous crustose lichenized fungus, photobiont a unicellular green alga (Myrmecia or other)

Survey Recommendations

None

Range

Southern Blue Ridge, Piedmont

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.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

26 July 2022