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

Brown University - Algae
Catalog #: ABRU00002659
I. Holden s.n. 22 October 1893
Calothrix braunii Bornet & Flahault
United States, Connecticut, Bridgeport, CT

Miami University - Algae
Catalog #: 000186461
I. Holden #s.n. 22 October 1893
Calothrix braunii Bornet & Flahault
United States, Connecticut, Fairfield, Bridgeport

Yale University Herbarium
Catalog #: YU.091192
Isaac Holden s.n. 22 October 1893
Calothrix braunii Bornet & Flahault
United States, Connecticut, Fairfield, Bridgeport; Bridgeport, CT

Michigan State University Algae
Catalog #: MSC0181495
Isaac Holden #s.n. 22 October 1893
Calothrix braunii Bornet & Flahault
United States, Connecticut, Fairfield, Bridgeport