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                                    Ectocarpus tomentosus (Huds.) Lyngb.
                                 | 
                                W. C. Simmons s.n. | 
                                Mar 1896 | 
                                United States of America | 
                                Rhode Island | 
                                Newport Co. | 
                                — | 
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                                    Ectocarpus tomentosus (Huds.) Lyngb.
                                 | 
                                W. C. Simmons s.n. | 
                                s.d. | 
                                United States of America | 
                                Rhode Island | 
                                Newport Co. | 
                                — | 
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                                    Ectocarpus parvus (D.A.Saunders) Hollenb.
                                 | 
                                W. C. Simmons s.n. | 
                                18 Dec 1899 | 
                                United States of America | 
                                Rhode Island | 
                                Newport Co. | 
                                — | 
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                                    Ectocarpus tomentosus (Huds.) Lyngb.
                                 | 
                                W. C. Simmons s.n. | 
                                May 1898 | 
                                United States of America | 
                                Rhode Island | 
                                Newport Co. Conanicut Island, on… | 
                                — | 
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                                    Ectocarpus tomentosus (Huds.) Lyngb.
                                 | 
                                W. C. Simmons s.n. | 
                                May 1898 | 
                                United States of America | 
                                Rhode Island | 
                                Newport Co. Conanicut Island, on… | 
                                — | 
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                                    Ectocarpus penicillatus (C.Agardh) Kjellm.
                                 | 
                                W. C. Simmons s.n. | 
                                Jun 1898 | 
                                United States of America | 
                                Rhode Island | 
                                Newport Co. on Scytosiphon lomentarius… | 
                                — | 
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                                    Ectocarpus confervoides Harv.
                                 | 
                                W. C. Sturgis s.n. | 
                                13 Oct 1887 | 
                                United Kingdom | 
                                England | 
                                Manchester | 
                                — | 
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                                    Ectocarpus
                                 | 
                                W. D. Hoyt s.n. | 
                                10 Sep 1906 or 10 Jul 1908 | 
                                United States of America | 
                                North Carolina | 
                                Carteret Co. sea buoy | 
                                — | 
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                                    Ectocarpus mitchelliae Harv.
                                 | 
                                W. D. Hoyt s.n. | 
                                21 Aug 1907 | 
                                United States of America | 
                                North Carolina | 
                                Hyde Co. Ocracoke | 
                                — | 
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                                    Ectocarpus
                                 | 
                                W. E. Broadway 279 | 
                                05 Jan 1923 - 22 Feb 1923 | 
                                Venezuela | 
                                — | 
                                Vicinity of Cristobal Colon | 
                                — | 
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                                    Ectocarpus littoralis (L.) Lyngb.
                                 | 
                                W. F. Davis s.n. | 
                                31 Mar 1874 | 
                                United States of America | 
                                Connecticut | 
                                New Haven Co. Great Pumpkin… | 
                                — | 
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                                    Ectocarpus duchassaingianus Grunow
                                 | 
                                W. F. Morrison 1 | 
                                Mar 1952 | 
                                United States of America | 
                                Florida | 
                                Volusia Co. vicinity of Daytona… | 
                                — | 
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                                    Ectocarpus firmus (C.Agardh) J.Agardh
                                 | 
                                W. G. Farlow 22 | 
                                1876 | 
                                United States of America | 
                                Maine | 
                                Washington Co. Eastport | 
                                — | 
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                                    Ectocarpus littoralis (L.) Lyngb.
                                 | 
                                W. G. Farlow 168 | 
                                — | 
                                United States of America | 
                                Massachusetts | 
                                Essex Co. | 
                                — | 
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                                    Ectocarpus granulosus (Sm.) C.Agardh
                                 | 
                                W. G. Farlow s.n. | 
                                s.d. | 
                                United States of America | 
                                California | 
                                Santa Cruz Co. Santa Cruz | 
                                — | 
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                                | 
                                    Ectocarpus crouanii Thur.
                                 | 
                                W. G. Farlow s.n. | 
                                — | 
                                — | 
                                — | 
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                                — | 
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                                    Ectocarpus farlowii Thur.
                                 | 
                                W. G. Farlow s.n. | 
                                Oct 1875 | 
                                United States of America | 
                                Maine | 
                                Washington Co. Eastport | 
                                — | 
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                                | 
                                    Ectocarpus durkeei Harv.
                                 | 
                                W. G. Farlow s.n. | 
                                1871 | 
                                United States of America | 
                                Massachusetts | 
                                Dukes Co. Martha's Vineyard, Gay… | 
                                — | 
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                                    Ectocarpus littoralis (L.) Lyngb.
                                 | 
                                W. G. Farlow s.n. | 
                                s.d. | 
                                United States of America | 
                                Massachusetts | 
                                Dukes Co. Martha's Vineyard, Gay… | 
                                — | 
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                                    Ectocarpus littoralis (L.) Lyngb.
                                 | 
                                W. G. Farlow s.n. | 
                                s.d. | 
                                United States of America | 
                                Massachusetts | 
                                Dukes Co. Martha's Vineyard, Gay… | 
                                — | 
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                                | 
                                    Ectocarpus granulosus (Sm.) C.Agardh
                                 | 
                                W. G. Farlow s.n. | 
                                Jul 1878 | 
                                United States of America | 
                                Rhode Island | 
                                Newport Co. Newport | 
                                — | 
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                                | 
                                    Ectocarpus
                                 | 
                                W. H. Brown 4 | 
                                21 Jul 1907 | 
                                United States of America | 
                                New York | 
                                Suffolk Co. Cold Spring Harbor,… | 
                                — | 
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                                | 
                                    Ectocarpus confervoides Harv.
                                 | 
                                W. H. Brown s.n. | 
                                17 Jul 1907 | 
                                United States of America | 
                                New York | 
                                Suffolk Co. Lloyd's Point | 
                                — | 
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                                | 
                                    Ectocarpus confervoides Harv.
                                 | 
                                W. H. Brown s.n. | 
                                21 Jul 1907 | 
                                United States of America | 
                                New York | 
                                Suffolk Co. Eatons Neck | 
                                — | 
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                                    Ectocarpus hincksiae Harv.
                                 | 
                                W. H. Grattann  | 
                                1874 | 
                                United Kingdom | 
                                England | 
                                Devon Admin. Co. South Devon | 
                                — | 
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