Region
Country
Specimen coordinates in square brackets [ ] have been approximated based on political units.
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| Canada | British Columbia | |
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| 25 July 1880 | | George Engelmann | s.n. | MO |
| Canada | British Columbia | |
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| 07 July 1880 | | George Engelmann | s.n. | MO |
| Canada | British Columbia | |
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| 25 July 1880 | | George Engelmann | s.n. | MO |
| Canada | British Columbia | |
|
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| 25 July 1880 | | George Engelmann | s.n. | MO |
| Canada | British Columbia | |
5000 ft
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| 25 July 1880 | | George Engelmann | s.n. | MO |
| United Kingdom | England | |
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| 15 September 1869 | | George Engelmann | s.n. | MO |
| United States | | |
|
[45°10'01"N]
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[119°17'31"W]
| 1858 - 1859 | | David Lyall | s.n. | MO |
| United States | Alaska | |
2630 f
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| 10 August 1981 | | Gwen K. Perkins | 1555 | IBE |
| United States | Alaska | |
|
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| 14 June 1979 | | Gwen K. Perkins | 160 | ALA, FSU, IBE, MISS, MO, USMS |
| United States | Alaska | |
50 ft
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| 05 July 1979 | | Gwen K. Perkins | 503 | ALA, FSU, IBE, MISS, MO, USMS |
| United States | Alaska | Greater Anchorage |
500 m
|
61°00'00"N
|
149°00'00"W
| 10 August 1990 | | John K. Myers & Stephen S. Talbot | 96 | MO |
| United States | Alaska | Prince of Wales-Outer Ketchikan |
|
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| 06 August 1979 | | Gwen K. Perkins | 861 | FSU, IBE, MISS, MO, UNA, USMS |
| United States | California | |
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| | | Anonymous | s.n. | MO |
| United States | California | |
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| May 1866 | | Henry N. Bolander | s.n. | MO |
| United States | California | |
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| May 1866 | | Henry N. Bolander | s.n. | MO |
| United States | California | |
|
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| 23 August 1880 | | George Engelmann | s.n. | MO |
| United States | California | |
7000 - 8000 ft
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| 23 August 1880 | | George Engelmann | s.n. | MO |
| United States | California | |
7000 - 8000 ft
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| 23 August 1880 | | George Engelmann | s.n. | MO |
| United States | California | |
|
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| 1870 | | Albert Kellogg | s.n. | MO |
| United States | California | |
|
|
| | | William H. Brewer | s.n. | MO |
| United States | California | |
10000 ft
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|
| 1865 | | Henry N. Bolander | s.n. | MO |
| United States | California | |
|
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| October 1862 | | William H. Brewer | 1461 | MO |
| United States | California | |
|
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| 03 August 1864 | | William H. Brewer | 2842 | MO |
| United States | California | |
|
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| 03 August 1863 | | William H. Brewer | 2007 | MO |
| United States | California | El Dorado |
7500 f
|
[38°46'00"N]
|
[120°31'00"W]
| 28 NOV 1939 | | William A. Cumming & William Palmer Stockwell | 1464 | UMO |
| United States | California | Marin |
|
[38°04'00"N]
|
[122°44'00"W]
| | | George Vasey | s.n. | MO |
| United States | California | Plumas |
8372 f
|
[39°59'00"N]
|
[120°52'00"W]
| 2 November 1980 | | Mary Susan Taylor | 3367 | MO |
| United States | California | Plumas |
1981 m
|
[39°59'00"N]
|
[120°52'00"W]
| 17 July 1981 | | Mary Susan Taylor | 4043 | MO |
| United States | California | Shasta |
|
[40°46'00"N]
|
[122°02'00"W]
| 15 AUG 1971 | | David B. Dunn | 18153 | UMO |
| United States | California | Shasta |
7000 f
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[40°46'00"N]
|
[122°02'00"W]
| 16 July 1975 | | Mary Susan Taylor | 840 | MO |
| United States | California | Shasta |
|
[40°46'00"N]
|
[122°02'00"W]
| 03 JUL 1956 | | David B. Dunn | 11915 | UMO |
| United States | Idaho | |
|
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| 24 July 1880 | | Anonymous | s.n. | MO |
| United States | Idaho | Benewah |
1569 m
|
47°22'14"N
|
116°23'22"W
| 29 June 2021 | | W. D. Stevens, Christopher Davidson, O. M. Montiel J. & Sharon R. Christoph | 43415 | MO |
| United States | Massachusetts | |
|
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| 27 August 1882 | | George Engelmann | s.n. | MO |
| United States | Oregon | Klamath |
|
[42°40'00"N]
|
[121°53'50"W]
| 16 AUG 1971 | | David B. Dunn | 18195 | UMO |
| United States | Oregon | Lane |
1669 m
|
43°50'42"N
|
122°19'07"W
| 07 August 2006 | | Andrew Townesmith & Tracy Scott | 591 | MO |
| United States | Washington | |
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| 17 July 1880 | | George Engelmann | s.n. | MO |
| United States | Washington | |
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| July 1880 | | George Engelmann | s.n. | MO |
| United States | Washington | |
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| 13 July 1880 | | George Engelmann | s.n. | MO |
| United States | Washington | |
|
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| 22 September 1880 - 18 October 1880 | | Sereno Watson | s.n. | MO |
| United States | Washington | Skagit |
1550 m
|
[48°28'00"N]
|
[121°47'00"W]
| 30 September 1998 | | Alison Colwell & John K. Myers | 59 | |
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