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

Brown University - Algae
Catalog #: ABRU00004033
F. S. Collins s.n. 26 June 1906
Anabaena circinalis Rabenhorst ex Bornet & Flahault
United States, Massachusetts, Medford, MA

Michigan State University Algae
Catalog #: MSC0181171
F.S. Collins #s.n. 26 June 1906
Anabaena circinalis Rabenhorst ex Bornet & Flahault
United States, Massachusetts, Middlesex, Medford

Miami University - Algae
Catalog #: 000188309
F.S. Collins #s.n. 26 June 1906
Anabaena circinalis Rabenhorst ex Bornet & Flahault
United States, Massachusetts, Middlesex, Medford