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Bagliettoa calciseda (DC.) Gueidan & Cl. Roux
Plain Pitted-stone Lichen
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
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
Bagliettoa baldensis has a black conical cap (“clypeus”) perched atop the black perithecia
None
Rocky forest, on limestone
Saxicolous crustose lichenized fungus, photobiont a green, unicellular alga
None
Coastal Plain
Unknown
Rare
None
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 Unpublished manuscript, New York Botanical Garden, Bronx, NY.
Malcolm Hodges
6 March 2022