Loading profile. Please wait . . .
Lepra amara (Ach.) Hafellner
Bitter Fluff-wart
Federal Protection: No US federal protection
State Protection: No Georgia state protection
Global Rank: G5
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: Forests, woodlands and swamps
Pale- to dark-green thallus with abundant usually-sterile apothecia, those covered in a mound of white fluff, apparently bitter when licked (not recommended); CHEMISTRY: fruiting bodies K-, KC+ purple, briefly, C- (picrolichenic acid), UV-; FIELD ID: possible with field UV & KC test
Lepra commutata can have as dark green a thallus & similar-looking warts, but it is UV+ yellow; rare L. ventosa has similar chemistry but is UV+ yellow & is restricted to Coastal Plain
None
Forests, woodlands & swamps; on hardwood bark, especially Quercus, Carya, Carpinus & Acer
Corticolous crustose lichenized fungus, photobiont an alga in Trebouxia
None
Statewide
Unknown
Uncommon
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
20 April 2022