| 
                                    Pterosiphonia bipinnata (Postels & Rupr.) Falkenb.
                                 | 
                                W. J. Eyerdam s.n. | 
                                24 May 1932 | 
                                United States of America | 
                                Alaska | 
                                Unalaska Island | 
                                — | 
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                                    Pterosiphonia bipinnata (Postels & Rupr.) Falkenb.
                                 | 
                                E. Butler | J. M. Polley s.n. | 
                                Jul 1901 | 
                                Canada | 
                                British Columbia | 
                                Vancouver Island, Minnesota Seaside Station | 
                                — | 
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                                | 
                                    Pterosiphonia bipinnata (Postels & Rupr.) Falkenb.
                                 | 
                                N. L. Gardner s.n. | 
                                s.d. | 
                                United States of America | 
                                Washington | 
                                San Juan Co. San Juan… | 
                                — | 
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                                    Pterosiphonia bipinnata (Postels & Rupr.) Falkenb.
                                 | 
                                J. Macoun s.n. | 
                                s.d. | 
                                Canada | 
                                British Columbia | 
                                Vancouver Island | 
                                — | 
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                                | 
                                    Pterosiphonia bipinnata (Postels & Rupr.) Falkenb.
                                 | 
                                W. J. Eyerdam s.n. | 
                                04 Jun 1932 | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Fox… | 
                                — | 
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                                | 
                                    Pterosiphonia bipinnata (Postels & Rupr.) Falkenb.
                                 | 
                                W. J. Eyerdam s.n. | 
                                24 May 1932 | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Fox… | 
                                — | 
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                                | 
                                    Pterosiphonia bipinnata (Postels & Rupr.) Falkenb.
                                 | 
                                S. M. Zeller | E. B. Zeller s.n. | 
                                25 Jun 1917 - 01 Aug 1917 | 
                                United States of America | 
                                Washington | 
                                San Juan Co. San Juan… | 
                                — | 
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                                | 
                                    Pterosiphonia bipinnata (Postels & Rupr.) Falkenb.
                                 | 
                                N. C. Cooper 520 | 
                                05 Mar 1947 | 
                                Mexico | 
                                Baja California | 
                                Rosarita Beach, near Tijuana | 
                                — | 
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                                    Pterosiphonia bipinnata (Postels & Rupr.) Falkenb.
                                 | 
                                J. Macoun 1698 | 
                                15 Jun 1908 | 
                                Canada | 
                                British Columbia | 
                                Beacon Hill, Victoria | 
                                — | 
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                                | 
                                    Pterosiphonia bipinnata (Postels & Rupr.) Falkenb.
                                 | 
                                W. G. Farlow s.n. | 
                                s.d. | 
                                United States of America | 
                                California | 
                                San Francisco Bay | 
                                — | 
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