Region
Country
Specimen coordinates in square brackets [ ] have been approximated based on political units.
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| United States | | |
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[45°10'01"N]
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[119°17'31"W]
| 30 July 1894 | | Benjamin F. Bush | 363 | MO |
| United States | Alabama | |
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| 21 April 1927 | | R. E. Woodson, Jr. & Edgar Anderson | 1608 | MO |
| United States | Arkansas | Clay |
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[36°22'00"N]
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[090°23'00"W]
| June 25, 1914 | | Ernest J. Palmer | 6092 | MO |
| United States | Arkansas | Fulton |
800 f
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[36°22'00"N]
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[091°50'00"W]
| 22 JUN 1951 | | Delzie Demaree | 30814 | UMO |
| United States | California | Butte |
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[39°39'00"N]
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[121°34'00"W]
| 30 June 1985 | | Lowell Ahart | 5072 | MO |
| United States | California | Solano |
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[38°14'00"N]
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[121°57'00"W]
| 6 June 1903 | | Charles F. Baker | 3247 | MO |
| United States | Delaware | Sussex |
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[38°42'00"N]
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[075°25'00"W]
| 05 July 1908 - 06 July 1908 | | Nathaniel L. Britton | 48 | MO |
| United States | District of Columbia | |
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| 06 July 1913 | | Edward L. Greene | s.n. | MO |
| United States | District of Columbia | |
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| June 30, 1911 | | Herman Theodor Holm | s.n. | MO |
| United States | District of Columbia | |
|
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| 17 July 1893 | | F. L. J. Boettcher | 141 | MO |
| United States | Illinois | |
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| 08 June 1912 | | Joseph R. Churchill | s.n. | MO |
| United States | Illinois | |
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| 16 August 1898 | | John B.S. Norton | s.n. | MO |
| United States | Illinois | |
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| 19 June 1879 | | Heinrich K.D. Eggert | 124 | MO |
| United States | Illinois | Jackson |
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[37°46'00"N]
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[089°21'00"W]
| 19 JUN 1979 | | Mike Mibb | 68 | UMO |
| United States | Illinois | Jackson |
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[37°46'00"N]
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[089°21'00"W]
| 19 JUN 1979 | | Mike Mibb | 68 | MO |
| United States | Illinois | Monroe |
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[38°17'00"N]
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[090°11'00"W]
| 01 September 1927 | | R. E. Woodson, Jr. | 1926 | MO |
| United States | Illinois | Stark |
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40°55'47"N
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089°45'27"W
| 19 June 1900 | | Virginius H. Chase | s.n. | MO |
| United States | Indiana | |
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| 23 June 1913 | | J.A. Nieuwland | 11316 | MO |
| United States | Indiana | Franklin |
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[39°28'50"N]
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[085°07'40"W]
| 04 AUG 1931 | | Charles C. Deam | 50769 | UMO |
| United States | Indiana | Franklin |
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[39°28'50"N]
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[085°07'40"W]
| 04 AUG 1931 | | Charles C. Deam | 50769 | MO |
| United States | Indiana | Henry |
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[40°02'20"N]
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[085°24'10"W]
| 04 AUG 1931 | | Charles C. Deam | 50753 | MO |
| United States | Indiana | Jefferson |
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[38°53'40"N]
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[085°29'10"W]
| 06 AUG 1931 | | Charles C. Deam | 50852 | UMO |
| United States | Indiana | Putnam |
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[39°44'40"N]
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[086°59'50"W]
| 14 July 1941 | | Winona H. Welch | 6931 | MO |
| United States | Indiana | St. Joseph |
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[41°44'20"N]
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[086°15'00"W]
| 14 August 1910 | | J.A. Nieuwland | s.n. | MO |
| United States | Iowa | Louisa |
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[41°14'00"N]
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[091°16'00"W]
| 12 May 1911 | | Bohumil Shimek | s.n. | MO |
| United States | Iowa | Palo Alto |
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[43°05'00"N]
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[094°40'00"W]
| 21 September 1942 | | Ada Hayden | 7532 | MO |
| United States | Iowa | Palo Alto |
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[43°05'00"N]
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[094°40'00"W]
| 21 September 1942 | | Ada Hayden | 7532 | MO |
| United States | Kansas | |
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| 2 Jul 1929 | | P.A. Rydberg & Ralph H. Imler | 494 | MO |
| United States | Kansas | Atchison |
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[39°32'00"N]
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[095°18'00"W]
| 22 September 1937 | | Ernest J. Palmer | 43788 | MO |
| United States | Kansas | Douglas |
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[38°52'00"N]
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[095°14'00"W]
| 01 June 1965 | | Thomas B. Croat | 211 | MO |
| United States | Kansas | Riley |
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[39°20'00"N]
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[096°42'00"W]
| 1896 | | Jessie B. Norton | 324a | MO |
| United States | Kansas | Riley |
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[39°20'00"N]
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[096°42'00"W]
| 1896 | | Jessie B. Norton | 324a | MO |
| United States | Kentucky | Elliott |
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[38°07'00"N]
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[083°07'00"W]
| June 25 1982 | | Clyde F. Reed | 115791-A | MO |
| United States | Kentucky | Fayette |
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[38°03'00"N]
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[084°27'00"W]
| 20 July 1923 | | Frank T. McFarland | 131 | MO |
| United States | Kentucky | McCracken |
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[37°03'00"N]
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[088°42'00"W]
| 17 JUN 1920 | | Ernest J. Palmer | 17925 | MO |
| United States | Kentucky | McCracken |
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[37°03'00"N]
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[088°42'00"W]
| 17 JUN 1920 | | Ernest J. Palmer | 17925 | UMO |
| United States | Maryland | Talbot |
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[38°46'00"N]
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[076°05'00"W]
| 06 September 1940 | | Clyde F. Reed | 3669 | MO |
| United States | Massachusetts | |
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| 12 July 1884 | | Joseph R. Churchill | s.n. | MO |
| United States | Michigan | Kalamazoo |
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[42°15'20"N]
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[084°09'00"W]
| 06 August 1943 | | C. R. Hanes | 4345 | MO |
| United States | Michigan | Kalamazoo |
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[42°15'20"N]
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[084°09'00"W]
| 22 June 1944 | | C. R. Hanes | 441 | MO |
| United States | Minnesota | |
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| 26 June 1928 | | R. E. Woodson, Jr. & Edgar Anderson | 5013 | MO |
| United States | Mississippi | |
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| 18 April 1927 | | R. E. Woodson, Jr. & Edgar Anderson | 1541 | MO |
| United States | Mississippi | |
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| 18 April 1927 | | R. E. Woodson, Jr. & Edgar Anderson | 1549 | MO |
| United States | Missouri | Jackson |
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[39°00'24"N]
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[094°21'08"W]
| 01 August 1931 | | Benjamin F. Bush | 12245 | MO |
| United States | Missouri | Jackson |
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39°09'20"N
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094°23'36"W
| 24 July 1931 | | Benjamin F. Bush | 12229 | MO |
| United States | Missouri | Jackson |
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[39°00'24"N]
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[094°21'08"W]
| 01 AUG 1931 | | Benjamin F. Bush | 12246 | MO |
| United States | Missouri | Jefferson |
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[38°15'45"N]
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[090°32'18"W]
| 10 June 1928 | | John H. Kellogg | 1935 | MO |
| United States | New Jersey | |
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| July 1891 | | R.C. Perry | s.n. | MO |
| United States | New Jersey | |
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| 04 July 1865 | | John H. Redfield | 4871 | MO |
| United States | New Jersey | |
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| 02 July 1929 | | Joseph R. Churchill | s.n. | MO |
| United States | New Jersey | Ocean |
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[39°54'00"N]
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[074°13'00"W]
| 30 May 1908 | | Kenneth K. Mackenzie | 3093 | MO |
| United States | New Jersey | Somerset |
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[40°34'00"N]
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[074°33'00"W]
| 06 July 1935 | | Harold N. Moldenke | 8588 | MO |
| United States | North Carolina | |
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| 25 May 1889 | | Joseph R. Churchill | s.n. | MO |
| United States | North Carolina | Bladen |
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[34°38'00"N]
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[078°34'00"W]
| 16 July 1926 | | A. Arthur Heller | 14103 | MO |
| United States | North Carolina | Durham |
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[36°02'00"N]
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[078°52'00"W]
| 23 June 1940 | | Roy O. Woodbury | 83 | MO |
| United States | Ohio | |
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| 08 July 1896 | | Jesse M. Greenman | 1438 | MO |
| United States | Ohio | |
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39°08'10"N
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084°30'11"W
| 20 June 1888 | | Curtis Gates Lloyd | s.n. | MO |
| United States | Oklahoma | |
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| 1931 | | Blain, W.L. | 128 | MO |
| United States | Oklahoma | Cleveland |
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[35°12'00"N]
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[097°18'00"W]
| 09 May 1936 | | Delzie Demaree | 12763 | MO |
| United States | Oklahoma | Garvin |
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[34°43'00"N]
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[097°20'00"W]
| 28 July 1933 | | Ernest J. Palmer | 42022 | MO |
| United States | Oklahoma | Payne |
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[36°04'00"N]
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[096°58'00"W]
| 10 July 1966 | | Thomas B. Croat | 2515 | MO |
| United States | Pennsylvania | Lebanon |
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[40°30'10"N]
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[076°42'10"W]
| 07 August 1926 | | A. Arthur Heller | 14239 | MO |
| United States | South Dakota | Lake |
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[44°03'40"N]
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[097°12'00"W]
| June 29, 1966 | | Thomas B. Croat | 2187 | MO |
| United States | Tennessee | Franklin |
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[35°10'00"N]
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[086°05'00"W]
| 07 June 1897 | | Heinrich K.D. Eggert | s.n. | MO |
| United States | Tennessee | Shelby |
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[35°12'00"N]
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[089°52'00"W]
| May 18, 1920 | | Ernest J. Palmer | 17528 | MO |
| United States | Texas | Tarrant |
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[32°46'00"N]
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[097°18'00"W]
| 19 June 1940 | | Cyrus L. Lundell & Amelia A. Lundell | 9556 | MO |
| United States | Virginia | |
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| 8 June 1893 | | A. Arthur Heller | 970 | MO |
| United States | Virginia | |
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| 03 August 1912 | | Edward L. Greene | s.n. | MO |
| United States | Virginia | |
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| 12 June 1927 | | R. E. Woodson, Jr. | 1627 | MO |
| United States | Virginia | |
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| 09 July 1926 | | A. Arthur Heller | 13998 | MO |
| United States | Virginia | |
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| 1865 | | Noah M. Glatfelter | s.n. | MO |
| United States | Virginia | Dinwiddie |
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[37°04'00"N]
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[077°38'00"W]
| 13 June 1940 | | Merritt L. Fernald & Bayard Long | 12165 | MO |
| United States | Virginia | Fauquier |
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[38°44'00"N]
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[077°49'00"W]
| 12 Jun 1938 | | Harry A. Allard | 5031 | MO |
| United States | Virginia | Hampton |
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[37°03'00"N]
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[076°20'00"W]
| 09 July 1927 | | Joseph R. Churchill | s.n. | MO |
| United States | West Virginia | |
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| 18 Jun 1930 | | E.E. Berkley | 611 | MO |
| United States | West Virginia | Jackson |
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[38°50'00"N]
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[081°41'00"W]
| 28 June 1930 | | E.E. Berkley | 878 | MO |
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