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

Brown University - Algae
Catalog #: ABRU00004452
J. Macoun s.n.
Pterosiphonia bipinnata (Postels & Ruprecht) Falkenberg
Canada, British Columbia, Vancouver Island, BC, Canada

Yale University Herbarium
Catalog #: YU.094764
John Macoun s.n.
Pterosiphonia bipinnata (Postels & Ruprecht) Falkenberg
Canada, British Columbia, Vancouver Island

Miami University - Algae
Catalog #: 000189225
John Macoun #s.n. 22 August 2015
Pterosiphonia bipinnata (Postels & Ruprecht) Falkenberg
Canada, British Columbia, Vancouver Island