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

Brown University - Algae
Catalog #: ABRU00002809
I. Holden s.n.
Batrachospermum vagum var. keratophytum (Bory de Saint-Vincent) Sirodot
United States, Connecticut, Bridgeport, CT

Yale University Herbarium
Catalog #: YU.106455
Isaac Holden s.n.
Batrachospermum vagum var. keratophytum (Bory de Saint-Vincent) Sirodot
United States, Connecticut, Fairfield, Bridgeport; Bridgeport, CT

University of Michigan
Catalog #: 642958
Isaac Holden #s.n. 14 December 1890
Batrachospermum vagum var. keratophytum (Bory de Saint-Vincent) Sirodot
United States, Connecticut, Bridgeport

University of Michigan
Catalog #: 642971
Isaac Holden #s.n.
Batrachospermum vagum var. keratophytum (Bory de Saint-Vincent) Sirodot
United States, Connecticut, Bridgeport

Field Museum of Natural History
Catalog #: C0504418F
Isaac Holden #s.n. 14 December 1890
Batrachospermum keratophytum Bory de Saint-Vincent
United States, Connecticut, Fairfield, Bridgeport

Michigan State University Algae
Catalog #: MSC0181345
Isaac Holden #s.n. 14 December 1890
Batrachospermum keratophytum Bory de Saint-Vincent
United States, Connecticut, Fairfield, Bridgeport

Miami University - Algae
Catalog #: 000186589
Isaac Holden #s.n. 14 December 1890
Batrachospermum vagum var. keratophytum (Bory de Saint-Vincent) Sirodot
United States, Connecticut, Bridgeport