Steere & Holmen, Bryoph. Arct. Exs.
Steere, W.C.; Holmen, K.A. [1 - 50]

University of Michigan Herbarium
Catalog #: 559385
W. C. Steere #s. n. 10 July 1960
Catoscopium nigritum (Hedw.) Brid.
USA, Alaska, Utukok River, Driftwood Creek

University of Colorado, Museum of Natural History
Catalog #: COLO-B-0010116
W. C. Steere #s.n. 10 July 1960
Catoscopium nigritum (Hedw.) Brid.
United States, Alaska, Utukok River, Driftwood Creek.

Field Museum of Natural History
Catalog #: C1069288F
67527c5f-ef4b-4fbf-80e2-98f6b424fa23
W. C. Steere #s.n. 10 July 1960
Catoscopium nigritum (Hedw.) Brid.
United States, Alaska, Utukok River, Driftwood Creek

University of Wisconsin - Madison
Catalog #: WIS-B-0004804
W.C. Steere #s.n. 10 July 1960
Catoscopium nigritum (Hedw.) Brid.
United States, Alaska, Utukok River, Driftwood Creek.

University of Tennessee Bryophyte Herbarium
Catalog #: TENN-B-0013930
W.C. Steere, K.A. Holmen and O. Martensson #25 10 July 1960
Catoscopium nigritum (Hedw.) Brid.
United States, Alaska, North Slope, Utukok River, Driftwood Creek