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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: Montane hardwood forest

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Description

Pale continuous thallus; apothecia erumpent, with lumpy or beaded thalline rims & dark brown to black disks; MICROSCOPY: spores large, brown, 2-celled, ellipsoid, with rounded lumina & thick cell walls; CHEMISTRY: thallus PD+ orange (pannarin); FIELD ID: with experience, recognized as a Rinodina by dark spores lying atop brown disks (magnification needed), & R. adirondackii by pale thallus, beaded rims; dissection & chemical test recommended to confirm

Similar Species

Rinodina granuligera is another pale species in Ga. on bark, but it has angular lumina in spores & no pannarin (K+ yellow, PD-/+ yellow thallus)

Related Rare Species

None

Habitat

Rich, montane mesic hardwood forests, on hardwood bark: Prunus, Quercus

Life History

Corticolous crustose lichenized fungus, photobiont a green alga (Trebouxia?)

Survey Recommendations

None

Range

Southern Blue Ridge

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.

Sheard, J. W. 2010. The lichen genus Rinodina (Ach.) Gray (Lecanoromycetidae, Physciaceae) in North America, north of Mexico. National Research Council of Canada, Ottawa.

Tripp, E. A. & J. C. Lendemer. 2020. Field guide to the lichens of Great Smoky Mountains National Park. The University of Tennessee Press, Knoxville.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

4 August 2022