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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G4G5

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: Deep sands of dry riverine aeolian dunes

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Description

Whitish thallus, individual erect branches forming small clumps, with tips all curving over in the same direction; CHEMISTRY: KC+ yellow (usnic acid), other tests negative; FIELD ID: contrast of white thallus with neighboring sterile C. leporina (yellowish) is a clue within limited range; confirm with a field KC test

Similar Species

C. dimorphoclada thalli are smaller, slightly yellowish & usually lax, with matted somewhat flattened podetia

Related Rare Species

None

Habitat

Deep sands of dry riverine aeolian dunes, on sand, humus

Life History

Terricolous fruticose lichenized fungus; photobiont an alga in genus Trebouxia or Pseudotrebouxia

Survey Recommendations

Search similar habitats in Ohoopee R. dune system

Range

Coastal Plain (Emanuel Co.)

Threats

Single site unprotected, near interstate exit (thus prone to development)

Georgia Conservation Status

Rare; long-range disjunct from Atlantic Coast

Conservation Management Recommendations

Protect single site from development; limit ignition during prescribed fires to edges of units, allowing interior to burn in patches

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

24 July 2022