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

Brown University - Algae
Catalog #: ABRU00003826
W. J. V. Osterhout s.n. 14 June 1902
Closterium lunula Ehrenberg & Hemprich ex Ralfs
United States, California, Lake Chabot, San Leandro, CA

University of Michigan
Catalog #: 736011
W.J.V. Osterhout #s.n. 26 June 1902
Closterium lunula Ehrenberg & Hemprich ex Ralfs
United States, California, Alameda, Lake Chabot, San Leandro

University of Michigan
Catalog #: 736020
W.J.V. Osterhout #s.n. 26 June 1902
Closterium lunula Ehrenberg & Hemprich ex Ralfs
United States, California, Alameda, Lake Chabot, San Leandro

Michigan State University Algae
Catalog #: MSC0182146
W.J.V. Osterhout #s.n. 26 June 1902
Closterium lunula Ehrenberg & Hemprich ex Ralfs
United States, California, Alameda, Lake Chabot, San Leandro

Miami University - Algae
Catalog #: 000188106
W.J.V. Osterhout #s.n. 26 June 1902
Closterium lunula Ehrenberg & Hemprich ex Ralfs
United States, California, Alameda, Lake Chabot, San Leandro

Yale University Herbarium
Catalog #: YU.092199
Winthrop John Vanleuven Osterhout s.n. 14 June 1902
Closterium lunula Ehrenberg & Hemprich ex Ralfs
United States, California, Alameda, Lake Chabot, San Leandro, CA