Macoun, Canad. Musci
John Macoun [1 - 670]

University of Vermont, Pringle Herbarium, North American bryophytes
Catalog #: UVMVT012577
#s.n.
Hypnum imponens Hedw.
Canada, British Columbia, Vancouver Island

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00016961
J. Macoun #s.n.
Hypnum subimponens Lesq.
Canada, British Columbia, Vancouver Island, and the coast of district of British Columbia

University of Wisconsin - Madison
Catalog #: WIS-B-0014378
Unknown #s.n.
Hypnum subimponens Lesq.
Canada, British Columbia, Vancouver Island, and in British Columbia near the coast

Michigan State University
Catalog #: MSC-B-0005358
[collector unspecified] #s.n.
Hypnum subimponens Lesq.
Canada, British Columbia, Vancouver Island