Wetmore, Lich. Exs. Min. [St. Paul (Minnesota)]
Clifford M. Wetmore [1-225]
IndExs #840155422

Arizona State University Lichen Herbarium
Catalog #: 563864
C.M. Wetmore #83475 04 August 1999
Usnea longissima Ach.
USA, Minnesota, Cook, Superior National Forest, Mark Creek NE of Pike Lake, 19 km WNW of Grand Marais

University of Wisconsin - Madison
Catalog #: WIS-L-0085641
C.M. Wetmore #83475 04 August 1999
Dolichousnea longissima (Ach.) Articus
United States, Minnesota, Cook, Superior National Forest, Mark Creek NE of Pike Lake, 19 km WNW of Grand Marais

Uppsala University Exsiccati
Catalog #: L-159777
Clifford M. Wetmore #83475 04 August 1999
Usnea longissima Ach.
United States, Minnesota, Superior National Forest, Maark Creek NE of Pike Lake (12 mi [19 km] WNW of Grand Marais)

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0046327
Clifford M. Wetmore #83475 04 August 1999
Usnea longissima Ach.
United States, Minnesota, Cook, Superior National Forest, Mark Creek NE of Pike Lake, 19 km WNW of Grand Marais