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Pyrenula fetivica (Kremp.) Mull. Arg.
Lemon-spored Pox
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 High Priority Species (SGCN): No
Element Occurrences (EOs) in Georgia: 0
Habitat Summary for element in Georgia: Mesic hardwood forests and swamps
Dark green to olive-brown thallus with solitary but crowded black perithecia, ostioles apical; MICROSCOPY: hymenium inspersed with oil droplets, spores brown, 4-celled, 2 terminal cells flush against thickened cell walls at spore tips, the oval shape & terminal bumps giving spores the profile of tiny lemons (“citriform” shape), spores 14-18 x 8-10 µm; CHEMISTRY; thallus UV-; FIELD ID: dissection required
Pyrenula pseudobufonia can be similar, but its thallus tends to be paler brown or olive, its perithecia are usually less crowded, its thallus is always at least partly UV+ yellow, & its spores are not citriform
None
Mesic hardwood forests & swamps; substrates: hardwood bark: 18% Carpinus, 15% Acer, 12% Liriodendron, 10% Cyrilla, 10% Ilex, 6% Quercus & 29% other hardwoods or unknowns; note the prevalence of smooth-barked trees & shrubs
Corticolous crustose lichenized fungus, photobiont an alga in Trentepohlia
None
Statewide
Unknown
Uncommon to fairly common in good habitat
None
Brodo, I. M. 2001. Lichens of North America. 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. 1995. More Florida lichens including the 10-cent tour of the pyrenolichens. Unpublished manuscript, Bronx, N.Y.
Malcolm Hodges
5 August 2022