Umbilicaria arctica (Ach.) Nyl.
Annotated by Celia Hampton-Miller, 1 Jan 1800. Remarks: not familiar with this species but keys well; Former nature_of_id: student.

Alaska: Wrangell-St. Elias National Park and Preserve; Nabesna south-facing temperature transect Grid Point #1350. Elev. 1372-1372
62.491954° N, 143.083178° W,
Datum: North American Datum 1983. Coordinate Source: Global Positioning System (transcription). not recorded. unverified.
Http://arctos.database.museum/guid/UAMb:Herb:60743.

Celia Hampton-Miller 01181, 2015-07-31
ALA, Catalog: UAMb:Herb:60743, ALAAC=L38507; U. S. National Park Service accession=WRST-00474; U. S. National Park Service catalog=WRST 21618