Collins, Holden & Setchell, Phycoth. Bor.-Amer.
Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]

University of North Carolina at Chapel Hill Herbarium; Max & Fran Hommersand Algae Herbarium: Algae
Catalog #: NCU-A-0001664
Butler #s.n. 14 July 1901
Batrachospermum vagum var. keratophytum (Bory) Sirod
Canada, British Columbia, Capital, On stones in creek near Minnesota Seaside Station, Vancouver Is. [Island] British Columbia.

Brown University - Algae
Catalog #: ABRU00003560
E. Butler s.n. 14 July 1901
Batrachospermum vagum var. keratophytum (Bory de Saint-Vincent) Sirodot
Canada, British Columbia, Minnesota Seaside Station, Vancouver Island, BC, Canada

Michigan State University Algae
Catalog #: MSC0181341
E. Butler #s.n. 14 July 1901
Batrachospermum keratophytum Bory de Saint-Vincent
Canada, British Columbia, near Minnesota Seaside Station, Vancouver Island

Yale University Herbarium
Catalog #: YU.091962
Eloise Butler s.n. 14 July 1901
Batrachospermum vagum var. keratophytum (Bory de Saint-Vincent) Sirodot
Canada, British Columbia, Minnesota Seaside Station, Vancouver Island

University of Michigan
Catalog #: 642735
Eloise Butler #s.n. 14 July 1901
Batrachospermum vagum var. keratophytum (Bory de Saint-Vincent) Sirodot
Canada, British Columbia, creek near Minnesota Seaside Station, Vancouver Island

University of Michigan
Catalog #: 642965
Eloise Butler #s.n. 14 July 1901
Batrachospermum vagum var. keratophytum (Bory de Saint-Vincent) Sirodot
Canada, British Columbia, creek near Minnesota Seaside Station, Vancouver Island

Miami University - Algae
Catalog #: 000187515
Eloise Butler #s.n. 14 July 1901
Batrachospermum vagum var. keratophytum (Bory de Saint-Vincent) Sirodot
Canada, British Columbia, creek near Minnesota Seaside Station, Vancouver Island