Vitt, Orthotrichaceae Bor.-Amer. Exs.
Vitt, D.H. [1 - 50]

University of Colorado, Museum of Natural History
Catalog #: COLO-B-0037300
Dale H. Vitt #s.n. 29 May 1978
Orthotrichum laevigatum J.E. Zetterst.
Canada, Alberta, Kananaskis Area, Regal Creek on Forestry Trunk Road, 2.1 km south of Oldman River Crossing

Field Museum of Natural History
Catalog #: C1038536F
b53eddfc-4129-43b6-9087-3f9c4375b655
Dale H. Vitt #s.n. 29 May 1978
Orthotrichum laevigatum J.E. Zetterst.
Canada, Alberta, Kananaskis Area, Regal Creek on Forestry Trunk Road, 2.1 km South of Oldman River Crossing

Wesley E. Niles Herbarium, University of Nevada, Las Vegas
Catalog #: UNLV-B-0003202
Dale H. Vitt #s.n. 29 May 1978
Orthotrichum laevigatum J.E. Zetterst.
Canada, Alberta, Kananaskis Area, Regal Creek on Forestry Trunk Road, 2.1 km south of Oldman River Crossing

University of Tennessee Bryophyte Herbarium
Catalog #: TENN-B-0039502
Dale H. Vitt, Diana G. Horton #39 29 May 1978
Orthotrichum laevigatum J.E. Zetterst.
Canada, Alberta