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Peltigera neopolydactyla (Gyelnik) Gyelnik
Carpet Pelt
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:
Element Occurrences (EOs) in Georgia: 0
Habitat Summary for element in Georgia: Mesic forests
Gray thallus with lobes broad (1-2.5 cm), glossy lobes; lobes have ruffled or crisped margins; large brown to reddish-brown apothecia held vertically at lobe tips curled into saddle shape; undersides with dark veins separated by pale ovals, with a broad pale area on underside of most lobe tips & dark veins on older parts; rhizines randomly distributed along veins; FIELD ID: measure lobes to confirm, & study underside, with this species having the more dramatic dark-&-white pattern & often white marginal zones (see photo below)
Peltigera polydactylon is usually a bit smaller, with lobes up to 1.5 cm across, & veins often reach mature lobes tips where they merge into solid brown zone; P. horizontalis is also smaller & its apothecia are usually flat & round or oval, & its rhizines are generally organized into horizontal bands on undersides
None
Mesic forests, on soil or moss over soil
Terricolous/muscicolous foliose lichenized fungus, photobiont a cyanobacterium in Nostoc
None
Southern Blue Ridge, Piedmont
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
12 March 2023
