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

Brown University - Algae
Catalog #: ABRU00002794
I. Holden s.n.
Batrachospermum moniliforme Sirodot
United States, Connecticut, Island Brook, Bridgeport, CT

Yale University Herbarium
Catalog #: YU.091260
Isaac Holden s.n. 00 May 1890
Batrachospermum moniliforme Sirodot
United States, Connecticut, Fairfield, Bridgeport; Island Brook, Bridgeport, CT

University of Michigan
Catalog #: 642845
Isaac Holden #s.n. 00 May 1890
Batrachospermum gelatinosum (Linnaeus) De Candolle
United States, Connecticut, Island Brook, Bridgeport

University of Michigan
Catalog #: 642886
Isaac Holden #s.n. 00 May 1890
Batrachospermum gelatinosum (Linnaeus) De Candolle
United States, Connecticut, Island Brook, Bridgeport

University Herbarium, University of California, Berkeley
Catalog #: UC1836703
Isaac Holden #s.n. 00 May 1890
Batrachospermum gelatinosum (Linnaeus) De Candolle
United States, Connecticut, Fairfield, Bridgeport

Michigan State University Algae
Catalog #: MSC0181331
Isaac Holden #s.n. 00 May 1890
Batrachospermum gelatinosum (Linnaeus) De Candolle
United States, Connecticut, Fairfield, Island Brook, Bridgeport

Miami University - Algae
Catalog #: 000186579
Isaac Holden #s.n. 00 May 1890
Batrachospermum Batrachospermum
United States, Connecticut, Island Brook, Bridgeport