| 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                A. D. Cotton s.n. | 
                                Jun 1910 | 
                                Ireland | 
                                Mayo | 
                                Connacht. Clare Island | 
                                — | 
                                 | 
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                A. E. Bush s.n. | 
                                s.d. | 
                                United States of America | 
                                California | 
                                 | 
                                — | 
                                 | 
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                A. E. Verrill s.n. | 
                                1892 | 
                                United States of America | 
                                Connecticut | 
                                New Haven Co. Long Island… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                A. F. Le Jolis 1510 | 
                                — | 
                                France | 
                                — | 
                                Cherbourg | 
                                — | 
                                 | 
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                A. F. Le Jolis 1510 | 
                                — | 
                                France | 
                                — | 
                                Cherbourg | 
                                — | 
                                 | 
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                A. Tauguy 788 | 
                                18 Feb 1886 | 
                                France | 
                                Bretagne | 
                                Finistère (Dept.). Le Château | 
                                — | 
                                 | 
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                C. Rasch 1532 | 
                                17 Sep 1882 | 
                                Denmark | 
                                — | 
                                prope Hauniam | 
                                — | 
                                 | 
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                Collector unknown 114 | 
                                19 Sep 1853 | 
                                France | 
                                Normandie | 
                                Manche (Dept.). Cherbourg | 
                                — | 
                                 | 
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                Collector unknown s.n. | 
                                20 Jul 1890 | 
                                — | 
                                — | 
                                [illegible] | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                Collector unknown s.n. | 
                                — | 
                                Unknown | 
                                — | 
                                Portland | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                Collector unknown s.n. | 
                                — | 
                                — | 
                                — | 
                                 | 
                                — | 
                                 | 
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                Collector unknown s.n. | 
                                — | 
                                — | 
                                — | 
                                 | 
                                — | 
                                 | 
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                Collector unknown s.n. | 
                                — | 
                                Unknown | 
                                — | 
                                Queen Charlotte Island | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                Collector unknown s.n. | 
                                — | 
                                — | 
                                — | 
                                [illegible] | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                Collector unknown s.n. | 
                                s.d. | 
                                United States of America | 
                                — | 
                                New England | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                Collector unknown s.n. | 
                                1895 | 
                                United States of America | 
                                Maine | 
                                Cape Rosier | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                Collector unknown s.n. | 
                                Mar 1879 | 
                                United States of America | 
                                Massachusetts | 
                                Essex Co. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                Collector unknown s.n. | 
                                13 May 1905 | 
                                United States of America | 
                                New Hampshire | 
                                New Castle. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                Collector unknown s.n. | 
                                — | 
                                Ireland | 
                                — | 
                                 | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                Collector unknown s.n. | 
                                26 May 1912 | 
                                United States of America | 
                                Rhode Island | 
                                Newport Co. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                Collector unknown s.n. | 
                                26 May 1854 | 
                                France | 
                                — | 
                                Cherbourg. | 
                                — | 
                                 | 
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                Collector unknown s.n. | 
                                — | 
                                France | 
                                — | 
                                Cherbourg. | 
                                — | 
                                 | 
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                D. Cleveland s.n. | 
                                s.d. | 
                                United States of America | 
                                California | 
                                San Diego Co. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                D. E. Hylmö s.n. | 
                                15 Jun 1933 | 
                                Sweden | 
                                Halland | 
                                Varberg | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                D. E. Hylmö s.n. | 
                                15 Jun 1933 | 
                                Sweden | 
                                Halland | 
                                Varberg | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins 830 | 
                                07 Sep 1879 | 
                                United States of America | 
                                Massachusetts | 
                                Mystic River | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins 1008 | 
                                30 Jul 1887 | 
                                United States of America | 
                                Massachusetts | 
                                Essex Co. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins 1032 | 
                                Aug 1887 | 
                                United States of America | 
                                Maine | 
                                Newport. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins 3342 | 
                                Jul 1896 | 
                                United States of America | 
                                Maine | 
                                Hancock Co. Spectacle Island | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins 4476 | 
                                s.d. | 
                                United States of America | 
                                Maine | 
                                Cumberland Co. South Harpswell | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins 5458 | 
                                20 Apr 1906 | 
                                United States of America | 
                                Rhode Island | 
                                Rocky Point | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins s.n. | 
                                17 Jul 1897 | 
                                United States of America | 
                                Maine | 
                                Cape Rosier, in tide pools | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins s.n. | 
                                17 Jul 1897 | 
                                United States of America | 
                                Maine | 
                                Cape Rosier, in tide pools | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins s.n. | 
                                Aug 1887 | 
                                United States of America | 
                                Maine | 
                                Waldo Co. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins s.n. | 
                                Jul 1904 | 
                                United States of America | 
                                Maine | 
                                Cumberland Co. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins s.n. | 
                                08 Jul 1908 | 
                                United States of America | 
                                Maine | 
                                Cumberland Co. Stover's Point, in… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins s.n. | 
                                08 Jul 1908 | 
                                United States of America | 
                                Maine | 
                                Cumberland Co. Stover's Point, in… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins s.n. | 
                                16 May 1891 | 
                                United States of America | 
                                New Jersey | 
                                Atlantic Co. on woodwork | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins s.n. | 
                                16 May 1891 | 
                                United States of America | 
                                New Jersey | 
                                Atlantic Co. on woodwork | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins s.n. | 
                                17 Jul 1897 | 
                                United States of America | 
                                Maine | 
                                Cape Rosier, in tide pools | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                F. S. Collins s.n. | 
                                08 Jul 1908 | 
                                United States of America | 
                                Maine | 
                                Cumberland Co. Stover's Point, in… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                G. A. Hall s.n. | 
                                09 Dec 1895 | 
                                United States of America | 
                                California | 
                                Santa Barbara Co. Santa Barbara | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                G. Dickie s.n. | 
                                — | 
                                United Kingdom | 
                                Scotland | 
                                Aberdeen. | 
                                — | 
                                 | 
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                G. Dickie  | 
                                Feb 1872 | 
                                United Kingdom | 
                                Scotland | 
                                Aberdeenshire Council Area. Aberdeen | 
                                — | 
                                 | 
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                G. K. Merrill 25 | 
                                01 Mar 1915 | 
                                United States of America | 
                                Maine | 
                                Knox Co. Jameson's Point | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                H. A. Green s.n. | 
                                28 Aug 1895 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. Bridgeport | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                H. A. Green s.n. | 
                                28 Aug 1895 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. Bridgeport | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                I. Holden s.n. | 
                                03 Nov 1896 | 
                                United States of America | 
                                Connecticut | 
                                New Haven Co. in rock… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                I. Holden s.n. | 
                                03 Nov 1896 | 
                                United States of America | 
                                Connecticut | 
                                New Haven Co. in rock… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                I. Holden s.n. | 
                                03 Nov 1896 | 
                                United States of America | 
                                Connecticut | 
                                New Haven Co. in rock… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                 |