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

Brown University - Algae
Catalog #: ABRU00004453
J. Macoun s.n.
Pterosiphonia bipinnata (Postels & Ruprecht) Falkenberg
Canada, British Columbia, Vancouver Island, BC, Canada

Yale University Herbarium
Catalog #: YU.094765
John Macoun s.n.
Pterosiphonia bipinnata (Postels & Ruprecht) Falkenberg
Canada, British Columbia, Vancouver Island

Miami University - Algae
Catalog #: 000210740
N.L. Gardner #s.n. 00 October 1908
Stephanocystis dioica (N.L.Gardner) Draisma, Ballesteros, F.Rousseau & T.Thibaut
United States, California, Los Angeles, White's Point, west of San Pedro