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

Miami University - Algae
Catalog #: 000187978
E. Butler #s.n. 00 June 1891
Phormidium inundatum Kützing ex Gomont
Canada, Alberta, Banff

Brown University - Algae
Catalog #: ABRU00003695
N. L. Gardner s.n. 31 May 1901
Phormidium inundatum Kützing ex Gomont
United States, Washington, Seattle, WA

Yale University Herbarium
Catalog #: YU.092085
Nathaniel Lyon Gardner s.n. 31 May 1901
Phormidium inundatum Kützing ex Gomont
United States, Washington, Seattle, WA