Thomson: Lich. Arct.
John Walter Thomson [1 - 115]

University of Michigan Herbarium
Catalog #: 110628
J. W. Thomson #s. n. 00 July 1958
Lecidella stigmatea (Ach.) Hertel & Leuckert
United States, Alaska, Along the north ridge of the Colville River, at Umiat

University of Tennessee Lichen Herbarium
Catalog #: TENN-L-0004182
J. W. Thomson #s.n. 22 July 1958
Lecidea stigmatea Ach.
United States, Alaska, North Slope, Along the north ridge of the Colville River, at Umiat.

University of Wisconsin - Madison
Catalog #: WIS-L-0109595
John W. Thomson #s.n. 22 July 1958
Lecidella stigmatea (Ach.) Hertel & Leuckert
United States, Alaska, Northern Alaska, along the north ridge of the Colville River at Umiat

Uppsala University Exsiccati
Catalog #: L-160651
John W. Thomson & S. Shushan s.n. 22 July 1958
Lecidella stigmatea (Ach.) Hertel & Leuckert
United States, Alaska, Northern Alaska, along the north ridge of the Colville River at Umiat