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

University of Michigan Herbarium
Catalog #: 77728
16475dde-0b9d-484e-8c4f-c00e85dd3754
J. W. Thomson #s. n. 00 July 1962
Cetraria richardsonii Hook.
Canada, Northwest Territories, no data, Rat Lodge, west side of Artillery Lake

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0026145
John W. Thomson #L 68732 16 July 1962
Masonhalea richardsonii (Hook.) Kärnefelt
Canada, Northwest Territories, Rat Lodge, west side of Artillery Lake

University of Wisconsin - Madison
Catalog #: WIS-L-0109608
John W. Thomson #s.n. 16 July 1962
Nephromopsis richardsonii (Hook.) Divakar, A. Crespo & Lumbsch
Canada, Northwest Territories, Fort Smith Region, Artillery Lake, Rat Lodge, W side of the lake

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-160664
John W. Thomson & J.A. Larsen s.n. 16 July 1962
Masonhalea richardsonii (Hook.) Kärnefelt
Canada, Northwest Territories, Artillery Lake, Rat Lodge, W side of the lake

Duke University Herbarium Lichen Collection
Catalog #: 299152
16db610e-2b9d-4cf7-aa93-a552a8383e3f
Thomson, John, W.; Larsen, J., A. #s.n. 00 July 1962
Masonhalea richardsonii (Hook.) Kärnefelt
Canada, Northwest Territories, At Rat Lodge, W side of Artillery Lake