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Flavoparmelia caperata (L.) Hale
Common Greenshield
Federal Protection: No US federal protection
State Protection: No Georgia state protection
Global Rank: G5
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: Forests, woodlands, swamps
Gray-green thallus yellowing toward center, often marked with white or creamy maculae; made up of eciliate, adnate lobes 4-8 mm wide; lobe tips often concave at center with slightly curled-over, scalloped edges; older lobes wrinkled with pustules that become soralia along ridges; apothecia rare; often grows in rosettes; FIELD ID: on bark, usually unmistakable, but on rock take careful note of reproductive structures at center of thallus, where pustules become mounded soralia
Flavoparmelia baltimorensis is always on rocks, & its pustules persist as such; Myelochroa aurulenta is smaller, with yellowish medulla beneath pustules, usually not as adnate; many members of Parmeliaceae are mistaken for this species
None
Forests, woodlands, swamps; substrates: mostly hardwood bark: 27% Quercus, 9% Acer, 5% Prunus & 39% other hardwoods; conifer bark: 8% Juniperus, 6% Pinus & 1 record from Tsuga; 6% silicious rock (usually isolated, small rocks beneath propagule sources
Corticolous foliose lichenized fungus, photobiont an alga in genus Trebouxia
None
Mostly north of the Fall Line; disjunct in isolated hardwood hammock forests in Coastal Plain
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
13 May 2022