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Chrysothrix xanthina (Vain.) Kalb
Common Gold-dust
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:
Element Occurrences (EOs) in Georgia: 0
Habitat Summary for element in Georgia: In a wide variety of natural and disturbed habitats
Bright yellow leprose thallus, evenly distributed to patchy, scattered thinly or thickly layered, grading to yellow-green in deep shade; CHEMISTRY: thallus K-, UV-; FIELD ID possible, with K & UV tests
Chrysothrix insulizans, & Chrysothrix onokoensis if on rock
None
Forests, woodlands, disturbed areas (e.g., weathered wood of old barns); substrates: conifer bark or wood, with 34% (of all substrates) Pinus, 6% Juniperus, 4 records on Taxodium; hardwood bark or wood, 26% Quercus; 13% on silicious rock
Corticolous (lignicolous, saxicolous), leprose lichenized fungus, photobiont a green alga
None
Statewide
Unknown
Common to abundant
None
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.
Malcolm Hodges
11 May 2022