| 
                                    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.
                                 | 
                                I. Holden s.n. | 
                                03 Nov 1896 | 
                                United States of America | 
                                Connecticut | 
                                New Haven Co. in rock… | 
                                — | 
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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.
                                 | 
                                M. S. Snyder s.n. | 
                                Aug 1901 | 
                                United States of America | 
                                California | 
                                San Diego Co. Pacific Beach,… | 
                                — | 
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                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                V. W. Lindauer s.n. | 
                                30 Jan 1948 | 
                                New Zealand | 
                                — | 
                                Auckland, Narrow Neck, on horizontal… | 
                                — | 
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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.
                                 | 
                                W. R. Taylor s.n. | 
                                25 Jul 1933 | 
                                United States of America | 
                                Massachusetts | 
                                Bristol Co. Buzzards Bay, Black… | 
                                — | 
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                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                L. N. Johnson 909 | 
                                06 Aug 1892 | 
                                United States of America | 
                                Connecticut | 
                                New Haven Co. Woodmont | 
                                — | 
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                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                L. N. Johnson 1072 | 
                                01 Jul 1895 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. Greene's Mills | 
                                — | 
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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.
                                 | 
                                W. R. Taylor s.n. | 
                                27 Jul 1938 | 
                                United States of America | 
                                Massachusetts | 
                                Bristol Co. New Bedford Harbor,… | 
                                — | 
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                                | 
                                    Ralfsia verrucosa (Aresch.) Aresch.
                                 | 
                                W. R. Taylor | R. D. Wood | E. M. Fahey 7274 | 
                                03 Aug 1947 | 
                                United States of America | 
                                Massachusetts | 
                                Dukes Co. Penikese Island | 
                                — | 
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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.
                                 | 
                                G. Dickie  | 
                                Feb 1872 | 
                                United Kingdom | 
                                Scotland | 
                                Aberdeenshire Council Area. Aberdeen | 
                                — | 
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