| 
                                    Prunus americana Marshall
                                 | 
                                A. A. Heller s.n. | 
                                02 May 1891 | 
                                United States of America | 
                                Pennsylvania | 
                                York Co. Collected along the… | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                A. I. Mulford 47 | 
                                18 May 1898 | 
                                United States of America | 
                                Utah | 
                                Cache Co. Logan. | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                A. MacElwee 2309 | 
                                04 May 1902 | 
                                United States of America | 
                                Pennsylvania | 
                                Gwynedd | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                A. Nelson 8465 | 
                                24 Jul 1901 | 
                                United States of America | 
                                Wyoming | 
                                Sheridan Co. Prairie Dog | 
                                — | 
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                                    Prunus americana Marshall
                                 | 
                                A. Ruth 194 | 
                                30 Sep 1910 | 
                                United States of America | 
                                Texas | 
                                Tarrant Co. | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                B. Boivin 13825 | 
                                12 Jul 1960 | 
                                United States of America | 
                                Nebraska | 
                                Knox Co. 1 mille au… | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                B. Boivin 14016 | 
                                05 Sep 1960 | 
                                Canada | 
                                Saskatchewan | 
                                Division No. 3. Assiniboia. Rivière… | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                B. E. Nelson 1615 | 
                                02 Jun 1978 | 
                                United States of America | 
                                Wyoming | 
                                Niobrara Co. ca. 17 air… | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                B. H. Long 18442 | 
                                27 Apr 1918 | 
                                United States of America | 
                                New Jersey | 
                                Gloucester Co. Along Raccoon Creek | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                C. C. Curtis s.n. | 
                                21 Jul 1903 | 
                                United States of America | 
                                New York | 
                                Dutchess Co. | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                C. H. Müller 8697 | 
                                18 Aug 1945 | 
                                United States of America | 
                                Texas | 
                                Lampasas Co. 7 mi. NW… | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                C. L. Hitchcock 20361 | 
                                01 Aug 1954 | 
                                United States of America | 
                                Idaho | 
                                Idaho Co. Common along South… | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                C. L. Porter 3443 | 
                                16 Jul 1944 | 
                                United States of America | 
                                Wyoming | 
                                Crook Co. along Sand Creek… | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                C. L. Shear 9 | 
                                23 Apr 1894 - 20 Jun 1894 | 
                                United States of America | 
                                Kansas | 
                                Osborne Co. within a radius… | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                C. L. Shear 4591 | 
                                20 Aug 1895 | 
                                United States of America | 
                                Colorado | 
                                Golden. | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                C. S. Crandall s.n. | 
                                5 May 1894 | 
                                United States of America | 
                                Colorado | 
                                Larimer Co. Foothills. | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                Collector unknown s.n. | 
                                02 Sep 1895 | 
                                United States of America | 
                                Colorado | 
                                Boulder Co. | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                Collector unspecified s.n. | 
                                s.d. | 
                                United States of America | 
                                New York | 
                                Pottstown | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                Collector unspecified  | 
                                May 1860 | 
                                United States of America | 
                                New York | 
                                Westchester Co. | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                D. Demarée 8559 | 
                                15 Oct 1931 | 
                                United States of America | 
                                Arkansas | 
                                Pulaski Co. Natural Steps. Ark… | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                D. Demarée 8896 | 
                                09 Nov 1931 | 
                                United States of America | 
                                Arkansas | 
                                Pulaski Co. Below Ledwidge | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                D. E. Atha 2287 | 
                                27 Sep 2000 | 
                                United States of America | 
                                South Dakota | 
                                Meade Co. S of Faith,… | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                D. E. Atha 8244 | 
                                10 Sep 2009 | 
                                United States of America | 
                                Wisconsin | 
                                Crawford Co. ca 3.1km WNW… | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                D. E. Atha 8269 | 
                                10 Sep 2009 | 
                                United States of America | 
                                Wisconsin | 
                                Richland Co. ca 7.6km NNE… | 
                                — | 
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                                | 
                                    Prunus americana Marshall
                                 | 
                                D. E. Atha 8297 | 
                                11 Sep 2009 | 
                                United States of America | 
                                Wisconsin | 
                                Richland Co. ca 500m NE… | 
                                — | 
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