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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: Mesic hardwood forest

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Description

Gall-forming parasite on Phaeophyscia species, brownish-green hemispherical galls forming mounds on thallus, with multiple black dots on gall surface marking location of tiny immersed perithecia; gall is slightly darker than thallus; microscopy: spores colorless, 2-celled, 8/ascus

Similar Species

Pyrenidium aggregatum is a similar-looking gall-forming parasite on Phaeophyscia, but its spores become brown when mature and are 4-celled

Related Rare Species

None

Habitat

Mesic hardwood forest, on thallus of Phaeophyscia adiastola

Life History

Lichenicolous fungus, parasitic on Phaeophyscia species

Survey Recommendations

None

Range

Southern Blue Ridge (though possibly overlooked elsewhere)

Threats

Unknown

Georgia Conservation Status

Rare?

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.

Nash III, T. H., B. D. Ryan, P. Diederich, C. Gries & F. Gungartz (eds.). 2004. Lichen flora of the greater Sonoran Desert region. Vol. II. Lichens Unlimited, Arizona State University, Tempe.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

4 May 2022