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Bagliettoa marmorea (Scop.) Gueidan & Cl. Roux
Purple Pitted-stone Lichen
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:
Element Occurrences (EOs) in Georgia: 0
Habitat Summary for element in Georgia: Limestone outcrops
Purplish, indistinct thallus (endolithic) with tiny black sunken ascomata; FIELD ID: thallus color unmistakable
None (other Bagliettoa have pale, unpigmented thalli)
None
Limestone outcrops, on rock
Saxicolous crustose lichenized fungus, photobiont a green, unicellular alga
None
Cumberland Plateau, Ridge & Valley
Quarrying
Uncommon
Protect natural limestone outcrops
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 Unpublished manuscript, New York Botanical Garden, Bronx, NY.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