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Acarospora janae K. Knudsen
Bagel Cobblestone
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: Dry rock outcrops
Puffy, glossy brown scales, usually round shaped with a central brown dimple, often wrinkled or puckered; dispersed over rock surface, rarely clustered; FIELD ID: chestnut-brown scales with darker brown dimple at center, looking like tiny bagels, mostly on granitic rock
None
None
Dry rock outcrops, mostly granite & granitic gneiss; 1 record from Piedmont metabasalt, & 1 from Coastal Plain sandstone
Saxicolous lichenized fungus; photobiont an alga in genus Trebouxia
None
Mostly Piedmont; occasionally just below Fall Line in Coastal Plain
Quarrying
Rare
Conserve rock outcrops
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.
Knudsen, K., J. C. Lendemer & R. C. Harris. 2011. Studies in lichens and lichenicolous fungi – no 15: miscellaneous notes on species from eastern North America. Opuscula Philolichenum 9: 45-75.
Nash III, T. H., C. Gries & F. Gungartz (eds.). 2007. Lichen flora of the greater Sonoran Desert region. Vol. III. Lichens Unlimited, Arizona State University, Tempe.
Malcolm Hodges
27 February 2022