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

Brown University - Algae
Catalog #: ABRU00004015
J. Macoun s.n.
Polysiphonia arctica J.Agardh
Canada, Quebec, St. Lawrence River, Cap a l'Aigle, QC, Canada

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00220785
c1d775f9-9332-4f81-b9c8-57fa82460650
J. Macoun #s.n. 00 August 1905
Polysiphonia arctica J.Agardh
Canada, St. Lawrence River, Cap a l'Aigle, Quebec

Yale University Herbarium
Catalog #: YU.094321
John Macoun s.n.
Polysiphonia arctica J.Agardh
Canada, Quebec, St. Lawrence River, Cap a l'Aigle

University of Michigan
Catalog #: 667528
John Macoun #s.n. 00 August 1905
Savoiea arctica (J.Agardh) M.J.Wynne
Canada, Quebec, Saint Lawrence River, Cap a l'Aigle

University of Michigan
Catalog #: 667529
John Macoun #s.n. 00 August 1905
Polyostea arctica (J.Agardh) Savoie & G.W.Saunders
Canada, Quebec, Saint Lawrence River, Cap a l'Aigle

Michigan State University Algae
Catalog #: MSC0184243
John Macoun #s.n. 00 August 1905
Polysiphonia arctica J.Agardh
Canada, Quebec, Saint Lawrence River, Cap a l'Aigle

Miami University - Algae
Catalog #: 000188291
John Macoun #s.n. 00 August 1905
Polysiphonia arctica J.Agardh
Canada, Quebec, Saint Lawrence River, Cap a l'Aigle