Loading profile...

Loading profile. Please wait . . .

Punctelia appalachensis (Culb.) Krog
Appalachian Speckled Shield

Photo © Jason Hollinger, Appalachian Mts., N.C., 19 May 2011
range map button NatureServe button Report Button About button

Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G3G4

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: Montane hardwood forests


Description

Green foliose thallus occasionally edged brown, lobes 3-6 mm wide, dotted with white pseudocyphellae (sometimes sparse) & pale maculae; small highly branched lobules form on older surfaces & margins of lobes; undersides brown at edges, black toward center; CHEMISTRY: spot tests negative; FIELD ID: distinctive, ID straightforward with a careful look

Similar Species

Sometimes Punctelia rudecta isidia will flatten & appear to form tiny lobules, but the are not well developed & abundant as with P. appalachensis

Related Rare Species

None

Habitat

Montane hardwood forests; substrates: mostly hardwood bark, half on Quercus; 2 records on sandstone

Life History

Corticolous foliose lichenized fungus, photobiont a green alga (Trebouxia?)

Survey Recommendations

None

Range

Southern Blue Ridge, northern Piedmont

Threats

Unknown

Georgia Conservation Status

Rare

Conservation Management Recommendations

None

References

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.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

5 August 2022