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Arthopyrenia degelii R.C. Harris
White pyrenolichen

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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: GNR

State Rank: SU

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


Description

Smooth reddish-brown crust dotted with small black hemispherical perithecia; MICROSCOPY: ascomata not carbonized below; spores narrowly elliptical, colorless, 2-celled, one or both cells constricted near middle, creating sinuous outlines, about 12-18 x 4-5 µm, 8/ascus; FIELD ID: not possible--requires dissection

Similar Species

None

Related Rare Species

None

Habitat

Montane hardwood forest, on Hamamelis bark

Life History

Corticolous crustose lichenized fungus, photobiont an alga in Trentepohlia

Survey Recommendations

None

Range

Southern Blue Ridge

Threats

Unknown

Georgia Conservation Status

Rare, likely overlooked

Conservation Management Recommendations

None

References

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.

Harris, R. C. 1995. More Florida lichens including the 10-cent tour of the pyrenolichens. Unpublished manuscript, Bronx, N.Y.

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 March 2022