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

Brown University - Algae
Catalog #: ABRU00002583
W. J. V. Osterhout s.n. 15 October 1892
Clathrocystis aeruginosa (Kützing) Henfrey
United States, Rhode Island, Mashapaug Pond, Providence, RI

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00237828
c43cfd24-ee94-46c0-b47b-7f0764298e13
W. J. V. Osterhout #s.n. 15 October 1892
Microcystis aeruginosa (K
United States, New York, Saratoga, Mashapaug Pond, Providence

Michigan State University Algae
Catalog #: MSC0183500
W.J.V. Osterhout #s.n. 15 October 1892
Microcystis aeruginosa (Kützing) Kützing
United States, Rhode Island, Providence, Mashapaug Pond, Providence

Miami University - Algae
Catalog #: 000186500
W.J.V. Osterhout #s.n. 15 October 1892
Clathrocystis aeruginosa (Kützing) Henfrey
United States, Rhode Island, Providence, Mashapaug Pond, Providence

Yale University Herbarium
Catalog #: YU.091131
Winthrop John Vanleuven Osterhout s.n. 15 October 1892
Clathrocystis aeruginosa (Kützing) Henfrey
United States, Rhode Island, Providence, Providence; Mashapaug Pond, Providence, RI