Thomson, Lich. Arct. [Madison (Wisconsin)]
John Walter Thomson [1 - 115]
IndExs #515968978

University of Michigan Herbarium
Catalog #: 125707
6f9f7f0f-e0ed-4580-a8b9-30026cfcdfcf
J. W. Thomson #s. n. 00 July 1958
Siphula ceratites (Wahlenb.) Fr.
United States, Alaska, no data, At Circular Marsh near Barrow

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0041535
John W. Thomson #S 25876 00 July 1958
Siphula ceratites (Wahlenb.) Fr.
United States, Alaska, North Slope, Circular Marsh near Barrow

University of Wisconsin - Madison
Catalog #: WIS-L-0109539
John W. Thomson #s.n. 00 July 1958
Siphula ceratites (Wahlenb.) Fr.
United States, Alaska, Northern Alaska, on old beach ridge at Circular Marsh near Burrow

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-160596
John W. Thomson & S. Shushan s.n. 00 July 1958
Siphula ceratites (Wahlenb.) Fr.
United States, Alaska, Northern Alaska, on old beach ridge at Circular Marsh near Burrow

Duke University Herbarium Lichen Collection
Catalog #: 315788
c1be3f7a-fa34-11e2-a92b-005056000560
Thomson, Jr., John, Walter; Shushan, Sam #s.n. 00 July 1958
Siphula ceratites (Wahlenb.) Fr.
United States, Alaska, North Slope, Circular Marsh, near Barrow