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

Field Museum of Natural History
Catalog #: C0305579F
2da78c96-b336-4796-b11e-f26d3867c465
J. W. Thomson & J. A. Larsen #s.n. 19 June 1964
Masonhalea richardsonii (Hook.) Kärnefelt
Canada, Northwest Territories, Mackenzie, Richardson Mountains, Canoe lake, hill E of the lake

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-160467
J.W. Thomson & J.A. Larsen s.n. 19 June 1964
Masonhalea richardsonii (Hook.) Kärnefelt
Canada, Northwest Territories, MacKenzie district; Richardson Mountains, Vanoe lake

University of Wisconsin - Madison
Catalog #: WIS-L-0109616
John W. Thomson #s.n. 19 June 1964
Nephromopsis richardsonii (Hook.) Divakar, A. Crespo & Lumbsch
Canada, Northwest Territories, Mackenzie District, Richardson Mountains, Canoe lake, hill E of the lake