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

Brown University - Algae
Catalog #: ABRU00003694
W. J. V. Osterhout s.n. 28 June 1902
Oscillatoria chalybea Mertens
United States, California, Lake Chabot, San Leandro, CA

Miami University - Algae
Catalog #: 000187977
W. J. V. Osterhout s.n. 28 June 1902
Oscillatoria chalybea Mertens
United States, California, Lake Chabot, San Leandro, CA

Yale University Herbarium
Catalog #: YU.092084
Winthrop John Vanleuven Osterhout s.n. 28 June 1902
Oscillatoria chalybea Mertens
United States, California, Alameda, Lake Chabot, San Leandro, CA