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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: Hardwood - cypress swamps, mesic forests

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Description

Pale white to light-green thallus with black disks, those with somewhat prominent black rims; MICROSCOPY: spores 12-16/ascus, brown, 2-celled, 14-22 x 6-8 µm, hymenium inspersed with oil droplets, greenish above, green pigment turning purple in KOH wet mount; CHEMISTRY: thallus K+ red (norstictic acid); FIELD ID not possible; dissection required

Similar Species

Other Buellia species have 8 spores/ascus; Amandinea polyspora has 24-32 spores/ascus, tiny disks & a dull green-brown thallus

Related Rare Species

Buellia circumpallida

Habitat

Swamps, bottomland forests, on Nyssa, Quercus & Taxodium bark

Life History

Corticolous crustose lichenized fungus, photobiont a green, unicellular alga in Trebouxia

Survey Recommendations

None

Range

Coastal Plain

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.

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 Unpublished manuscript, Bronx, N.Y.

Harris, R. C. & D. Ladd. 2005. Preliminary draft: Ozark lichens. Unpublished manuscript, New York Botanical Garden, Bronx, NY.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

8 November 2023