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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: Mesic hardwood forests and swamps

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Description

Greenish-gray to tan thallus; solitary black perithecia with apical ostioles, with variable thalline covering over base of warts but always with some black exposed at apex; MICROSCOPY: hymenium clear (not inspersed with oil droplets) & staining orange in iodine solution, spores brown, 4-celled, lacking a gelatinous sheath with dark caps, spores 27-38 x 12-18 µm; CHEMISTRY: thallus UV-; FIELD ID: dissection recommended

Similar Species

Pyrenula caryae is similar, but it is rare & primarily on hickories, its thallus is UV+ yellow, & its spores have a gelatinous sheath with brown terminal caps; P. pseudobufonia is UV+ yellow & its hymenium is inspersed with oil droplets; P. subelliptica is virtually identical but its hymenium is inspersed with oil droplets & the spore lumina are differently shaped

Related Rare Species

None

Habitat

Mesic hardwood forests & swamps, on hardwood bark: 65% Fagus, 12% Carpinus, 9% Acer & 14% other hardwoods (on smooth bark)

Life History

Corticolous crustose lichenized fungus, photobiont an alga in Trentepohlia

Survey Recommendations

None

Range

Statewide except not in southern portion of Coastal Plain

Threats

Unknown

Georgia Conservation Status

Uncommon to fairly common in good habitat

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.

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 Unpublished manuscript, Bronx, N.Y.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

5 August 2022