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]
| 1861 | | T.J. Hale | s.n. | MO |
| United States | | |
|
[45°10'01"N]
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[119°17'31"W]
| 9/20/96 | | Anonymous | s.n. | MO |
| United States | | |
|
[45°10'01"N]
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[119°17'31"W]
| Oct. 1865 | | George Engelmann | s.n. | MO |
| United States | | |
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[45°10'01"N]
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[119°17'31"W]
| 17 July 1893 | | Heinrich K.D. Eggert | s.n. | MO |
| United States | | |
|
[45°10'01"N]
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[119°17'31"W]
| August 1893 | | George Engelmann | s.n. | MO |
| United States | | |
|
[45°10'01"N]
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[119°17'31"W]
| Sept 1848 | | George Engelmann | s.n. | MO |
| United States | | |
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[45°10'01"N]
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[119°17'31"W]
| Oct 1 1888 | | George Vasey & Frederick V. Coville | s.n. | MO |
| United States | | |
|
[45°10'01"N]
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[119°17'31"W]
| | | Anonymous | 25 | MO |
| United States | | |
|
[45°10'01"N]
|
[119°17'31"W]
| 1847 | | Augustus Fendler | 933 | MO |
| United States | | |
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[45°10'01"N]
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[119°17'31"W]
| Sept 11 1892 | | Anonymous | s.n. | MO |
| United States | | |
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[45°10'01"N]
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[119°17'31"W]
| Aug. 1865 | | George Engelmann | s.n. | MO |
| United States | Arkansas | Carroll |
700 ft
|
[36°20'00"N]
|
[093°31'00"W]
| 23 October 1976 | | Delzie Demaree | 71440 | MO |
| United States | Arkansas | Fulton |
|
[36°22'00"N]
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[091°50'00"W]
| Sept. 19, 1900 | | Benjamin F. Bush | 981 | MO |
| United States | Connecticut | |
|
|
| 28 August 1895 | | C.H. Bissell | 282 | MO |
| United States | Connecticut | |
|
|
| 12 September 1904 | | C.H. Bissell | 120 | MO |
| United States | District of Columbia | |
|
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| Sept 27 1898 | | Herman Theodor Holm | s.n. | MO |
| United States | Idaho | |
|
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| Sept 1895 | | Louis H. Pammel | 788 | MO |
| United States | Illinois | |
|
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| Sept 1833 | | George Engelmann | 103 | MO |
| United States | Illinois | |
|
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| 1871 | | Michael S. Bebb | 9525 | MO |
| United States | Illinois | |
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39°57'36"N
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089°43'23"W
| Aug 1863 | | Elihu Hall | s.n. | MO |
| United States | Illinois | |
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38°34'16"N
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090°11'24"W
| 25/9/1875 | | Heinrich K.D. Eggert | s.n. | MO |
| United States | Illinois | |
|
|
| September 13, 1889 | | Arthur B. Seymour | s.n. | MO |
| United States | Illinois | |
|
|
| | | Anonymous | s.n. | MO |
| United States | Illinois | |
|
|
| Sept 9, 1899 | | Agnes Chase | 1208 | MO |
| United States | Illinois | |
|
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| Sept 13, 1912 | | Earl E. Sherff | 1933 | MO |
| United States | Illinois | Alexander |
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[37°11'00"N]
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[089°11'00"W]
| 28 AUG 1968 | | Jon S. Huston | 247 | UMO |
| United States | Illinois | Du Page |
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[41°50'00"N]
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[087°45'00"W]
| Oct. 9/92 | | Anonymous | s.n. | MO |
| United States | Illinois | Lake |
640 ft
|
42°12'09"N
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087°55'25"W
| 03 September 2012 | | Kevin A. Swagel | 890 | MO |
| United States | Illinois | Pope |
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[37°25'00"N]
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[088°34'00"W]
| Oct. 8, 1919 | | Ernest J. Palmer | 17013 | MO |
| United States | Illinois | Rock Island |
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[41°27'00"N]
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[090°31'00"W]
| Aug 17 1866 | | George Engelmann | s.n. | MO |
| United States | Illinois | Stark |
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[41°06'00"N]
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[089°48'00"W]
| September 30, 1906 | | Virginius H. Chase | 1064 | MO |
| United States | Illinois | Tazewell |
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[40°32'00"N]
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[089°33'00"W]
| Sept.12, 1962 | | Virginius H. Chase | 17096 | MO |
| United States | Illinois | Vermilion |
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[40°10'00"N]
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[087°45'20"W]
| Oct. 6, 1940 | | George Neville Jones | 13224 | MO |
| United States | Indiana | Cass |
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[40°47'40"N]
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[086°25'00"W]
| 06 OCT 1934 | | Scott McCoy | 3074 | UMO |
| United States | Indiana | Henry |
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[40°02'20"N]
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[085°24'10"W]
| August 21 1937 | | Ralph M. Kriebel | 5208 | MO |
| United States | Iowa | |
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41°39'40"N
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091°31'49"W
| | | A.S. Hitchcock | s.n. | MO |
| United States | Iowa | |
|
|
| 03 September 1897 | | Carleton R. Ball | 753 | MO |
| United States | Iowa | |
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42°01'24"N
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093°37'32"W
| Sept. 1896 | | Louis H. Pammel | 170 | MO |
| United States | Iowa | Boone |
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[42°02'00"N]
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[093°56'00"W]
| Aug.22, 1896 | | Louis H. Pammel & Carleton R. Ball | 169 | MO |
| United States | Iowa | Davis |
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[40°45'20"N]
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[092°25'00"W]
| Sept.9, 1940 | | Ada Hayden | 8164 | MO |
| United States | Iowa | Des Moines |
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[40°55'00"N]
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[091°11'00"W]
| 14 July 1897 | | Louis H. Pammel | 655 | MO |
| United States | Iowa | Emmet |
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[43°23'00"N]
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[094°00'20"W]
| Aug. 23, 1897 | | Robert I. Cratty | s.n. | MO |
| United States | Iowa | Emmet |
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[43°23'00"N]
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[094°00'20"W]
| 28 August 1897 | | Louis H. Pammel & Robert I. Cratty | 866 | MO |
| United States | Iowa | Union |
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[41°02'00"N]
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[094°15'20"W]
| Sep 17, 1911 | | Bohumil Shimek | s.n. | MO |
| United States | Kansas | |
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| Sept 10, 1916 | | R. Hoffmann | s.n. | MO |
| United States | Kansas | |
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| Sept 10, 1916 | | R. Hoffmann | s.n. | MO |
| United States | Kansas | Atchison |
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[39°32'00"N]
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[095°18'00"W]
| 1895 | | A.S. Hitchcock | 977 | MO |
| United States | Kansas | Jackson |
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[39°24'00"N]
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[095°50'00"W]
| Sept 19/33 | | John H. Kellogg | s.n. | MO |
| United States | Kentucky | Harlan |
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[36°51'00"N]
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[083°11'00"W]
| August 1893 | | Thomas H. Kearney, Jr. | 150 | MO |
| United States | Kentucky | Madison |
m
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37°54'02"N
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084°16'06"W
| 16 August 1992 | | J. Richard Abbott, Ralph L. Thompson & Randy L. Mears | 3998 | |
| United States | Kentucky | Scott |
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[38°18'00"N]
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[084°34'00"W]
| Aug 16 1930 | | J.W. Singer | 18 | MO |
| United States | Massachusetts | |
|
|
| | | Thomas A. Williams | UMO 19516 | UMO |
| United States | Massachusetts | Hampshire |
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[42°20'00"N]
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[072°35'00"W]
| August 19 1977 | | Harry E. Ahles | 84695 | MO |
| United States | Massachusetts | Hampshire |
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[42°20'00"N]
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[072°35'00"W]
| 11 AUG 1977 | | Harry E. Ahles | 84607 | UMO |
| United States | Michigan | |
|
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| 1880 - 1889 | | Thomas A. Williams | UMO 19517 | UMO |
| United States | Michigan | Ottawa |
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[42°57'00"N]
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[086°00'20"W]
| 15 SEP 1973 | | David J. Keil | K9713-B | UMO |
| United States | Michigan | Ottawa |
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[42°57'00"N]
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[086°00'20"W]
| 15 SEP 1973 | | David J. Keil | K9713-A | UMO |
| United States | Michigan | Washtenaw |
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[42°15'20"N]
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[083°51'00"W]
| Sept 20 1937 | | Frederick J. Hermann | 9329 | MO |
| United States | Minnesota | |
|
|
| | | Hart | s.n. | MO |
| United States | Minnesota | Houston |
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[43°40'00"N]
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[091°30'20"W]
| 21 Sep 1975 | | Steven D. Swanson | 2347 | MO |
| United States | Mississippi | |
|
|
| | | HARTS | s.n | MO |
| United States | Mississippi | Oktibbeha |
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[33°28'50"N]
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[088°57'00"W]
| August 11 1896 - August 17 1896 | | Charles L. Pollard | 1313 | MO |
| United States | Missouri | Adair |
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[40°11'25"N]
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[092°36'23"W]
| 17 aug 1977 | | Melvin L. Conrad | 7761 | UMO |
| United States | Missouri | Adair |
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[40°11'25"N]
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[092°36'23"W]
| 17 aug 1977 | | Melvin L. Conrad | 7761 | MO |
| United States | Missouri | Barton |
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[37°30'02"N]
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[094°21'03"W]
| 20 SEP 1956 | | Ernest J. Palmer | 64056-A | UMO |
| United States | Missouri | Barton |
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[37°30'02"N]
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[094°21'03"W]
| 17 SEP 1953 | | Ernest J. Palmer | 56703 | UMO |
| United States | Missouri | Barton |
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[37°30'02"N]
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[094°21'03"W]
| 20 SEP 1956 | | Ernest J. Palmer | 64056-B | UMO |
| United States | Missouri | Bollinger |
127 m
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37°13'04"N
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090°12'08"W
| 19 September 2019 | | Alan E. Brant | 9275 | MO |
| United States | Missouri | Bollinger |
127 m
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37°13'04"N
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090°12'08"W
| 19 September 2019 | | Alan E. Brant | 9275 | LSU |
| United States | Missouri | Bollinger |
125 m
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37°12'51"N
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090°12'10"W
| 20 September 2012 | | Alan E. Brant | 7227 | LINU |
| United States | Missouri | Bollinger |
125 m
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37°12'51"N
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090°12'10"W
| 20 September 2012 | | Alan E. Brant | 7227 | MO |
| United States | Missouri | Boone |
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[38°59'24"N]
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[092°18'48"W]
| 01 SEP 1933 | | Lisle Jeffrey | 227-A | UMO |
| United States | Missouri | Boone |
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[38°59'24"N]
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[092°18'48"W]
| 27 AUG 1937 | | Lisle Jeffrey | 181 | UMO |
| United States | Missouri | Boone |
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[38°59'24"N]
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[092°18'48"W]
| 15 SEP 1933 | | Lisle Jeffrey | 272 | UMO |
| United States | Missouri | Boone |
|
[38°59'24"N]
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[092°18'48"W]
| 20 AUG 1903 | | Francis P. Daniels | UMO 7850 | UMO |
| United States | Missouri | Boone |
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[38°59'24"N]
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[092°18'48"W]
| xx AUG 1903 | | Francis P. Daniels | UMO 7851 | UMO |
| United States | Missouri | Boone |
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[38°59'24"N]
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[092°18'48"W]
| xx AUG 1903 | | Francis P. Daniels | UMO 7852 | UMO |
| United States | Missouri | Boone |
|
[38°59'24"N]
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[092°18'48"W]
| 01 OCT 1901 | | Ernest H. Favor | UMO 7853 | UMO |
| United States | Missouri | Boone |
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[38°59'24"N]
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[092°18'48"W]
| 06 SEP 1933 | | Lisle Jeffrey | 242 | UMO |
| United States | Missouri | Boone |
|
[38°59'24"N]
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[092°18'48"W]
| 01 SEP 1933 | | Lisle Jeffrey | 227-B | UMO |
| United States | Missouri | Boone |
|
38°57'06"N
|
092°20'02"W
| xx AUG 1897 | | Francis P. Daniels | UMO 7952 | UMO |
| United States | Missouri | Boone |
|
[38°59'24"N]
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[092°18'48"W]
| 10 AUG 1933 | | Lisle Jeffrey | 113 | UMO |
| United States | Missouri | Boone |
|
[38°59'24"N]
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[092°18'48"W]
| 13 SEP 1902 | | Francis P. Daniels | UMO 7849 | UMO |
| United States | Missouri | Boone |
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[38°59'24"N]
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[092°18'48"W]
| 9 October 1994 | | Paul M. McKenzie | 1544 | MO |
| United States | Missouri | Butler |
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36°45'25"N
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090°23'34"W
| 14 August 1892 | | Frederick W. Dewart | s.n. | MO |
| United States | Missouri | Carter |
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[36°56'31"N]
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[090°58'10"W]
| 22 September 1999 | | Justin R. Thomas | 907 | MO |
| United States | Missouri | Clark |
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[40°24'39"N]
|
[091°44'39"W]
| 01 July 1983 | | Randall L. Walker | 467 | NEMO |
| United States | Missouri | Cole |
|
38°34'36"N
|
092°10'24"W
| August 1871 | | Otto Krause | s.n. | MO |
| United States | Missouri | Cole |
|
[38°30'18"N]
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[092°16'54"W]
| August 1871 | | Otto Krause | s.n. | MO |
| United States | Missouri | Dade |
|
[37°25'55"N]
|
[093°51'27"W]
| 21 SEP 1953 | | Ernest J. Palmer | 56808 | UMO |
| United States | Missouri | Franklin |
|
[38°24'38"N]
|
[091°04'46"W]
| 12 August 1986 | | Jay A. Raveill | 2519 | MO |
| United States | Missouri | Franklin |
|
[38°24'38"N]
|
[091°04'46"W]
| 14 October 2016 | | Megan Engelhardt | 326 | MO |
| United States | Missouri | Franklin |
151 m
|
38°25'55"N
|
090°53'54"W
| 16 September 2022 | | Alan E. Brant, Natalie Mueller & Katharine I. Matthews | 10156 | MO |
| United States | Missouri | Gentry |
|
[40°12'51"N]
|
[094°25'10"W]
| Aug. 30, 1934 | | Julian A. Steyermark | 15034 | MO |
| United States | Missouri | Gentry |
|
[40°12'51"N]
|
[094°25'10"W]
| Aug. 30, 1934 | | Julian A. Steyermark | 15034 | UMO |
| United States | Missouri | Greene |
|
[37°15'23"N]
|
[093°20'58"W]
| 01 August 1889 | | Joseph W. Blankinship | 2815 | MO |
| United States | Missouri | Grundy |
|
[40°06'41"N]
|
[093°34'21"W]
| 12 September 1994 | | Paul M. McKenzie & K. McCarty | 1531 | MO |
| United States | Missouri | Hickory |
|
[37°56'22"N]
|
[093°19'34"W]
| July 12, 1934 | | Julian A. Steyermark | 13376 | MO |
| United States | Missouri | Howard |
|
[39°08'37"N]
|
[092°42'07"W]
| 09 OCT 1956 | | Julian A. Steyermark | 83064-B | UMO |
| United States | Missouri | Howard |
|
[39°08'37"N]
|
[092°42'07"W]
| 09 OCT 1956 | | Julian A. Steyermark | 83064-A | UMO |
|
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