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

Brown University - Algae
Catalog #: ABRU00004449
J. Macoun s.n.
Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville
Canada, British Columbia, Vancouver Island, BC, Canada

Yale University Herbarium
Catalog #: YU.094761
John Macoun s.n.
Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville
Canada, British Columbia, Vancouver Island

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0017140
John Macoun #1697
Polysiphonia stricta (Dillwyn) Greville
Canada, British Columbia, Vancouver Island

University of Michigan
Catalog #: 668683
John Macoun #s.n.
Polysiphonia stricta (Dillwyn) Greville
Canada, British Columbia, Vancouver Island

University of Michigan
Catalog #: 668776
John Macoun #s.n.
Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville
Canada, British Columbia, Vancouver Island

Michigan State University Algae
Catalog #: MSC0184309
John Macoun #s.n.
Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville
Canada, British Columbia, Vancouver Island

Miami University - Algae
Catalog #: 000189223
John Macoun #s.n. 22 August 2015
Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville
Canada, British Columbia, Vancouver Island