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Bagliettoa calciseda (DC.) Gueidan & Cl. Roux
Plain Pitted-stone Lichen

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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:

Element Occurrences (EOs) in Georgia: 0

Habitat Summary for element in Georgia: Rocky forest


Description

Whitish, indistinct thallus (endolithic) with tiny black sunken ascomata; MICROSCOPY: perithecia surrounded by blackened or carbonized spherical wall, with no obvious black conical cap at the top; spores colorless, simple; FIELD ID possible to genus, with experience

Similar Species

Bagliettoa baldensis has a black conical cap (“clypeus”) perched atop the black perithecia

Related Rare Species

None

Habitat

Rocky forest, on limestone

Life History

Saxicolous crustose lichenized fungus, photobiont a green, unicellular alga

Survey Recommendations

None

Range

Coastal Plain

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.

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 Unpublished manuscript, New York Botanical Garden, Bronx, NY.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

6 March 2022