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Ocellularia americana Hale
American Volcano
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: Mesic hardwood forests and swamps
Pale thallus with raised, lumpy warts surrounding deeply recessed apothecia; large pores expose apothecial tissue; medulla pink; MICROSCOPY: large, colorless spores transversely septate, about 20-celled; CHEMISTRY: medulla C+ pink (gyrophoric acid); FIELD ID not possible, dissection & chemical tests required to sort out group of lookalike species
Other fertile Ocellularia species have muriform spores
None
Mesic hardwood forests & swamps, on hardwood bark, especially Nyssa & Celtis
Corticolous crustose lichenized fungus, photobiont an alga in Trentepohlia
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.
Malcolm Hodges
10 May 2022