Displaying 1 - 25 out of 243 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Abronia fragrans Nutt. ex Hook. | E. P. Walker 106 | 17 Jun 1912 | United States of America | Colorado | Montrose Co. valley lands | — | 3370440 |
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| Achillea millefolium L. | E. P. Walker 450 | 11 Aug 1912 | United States of America | Colorado | San Miguel Co. Dry river… | — | 1825041 |
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| Agrimonia striata Michx. | E. P. Walker 480 | 17 Aug 1912 | United States of America | Colorado | San Miguel Co. Norwood Hill.… | — | 2719229 |
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| Alnus incana subsp. tenuifolia (Nutt.) Breitung | E. P. Walker 710 | 11 Jun 1915 | United States of America | Alaska | Terminal moraine. Taku Inlet. | — | 2540344 |
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| Alnus viridis subsp. sinuata (Regel) Á.Löve & D.Löve | E. P. Walker 806 | 14 Jul 1915 | United States of America | Alaska | Mainland, Glacier Bay. | — | 2475099 |
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| Alnus viridis subsp. sinuata (Regel) Á.Löve & D.Löve | E. P. Walker 604 | 02 May 1915 | United States of America | Alaska | Wrangell. Wrangell-Petersburg. | — | 2475101 |
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| Amelanchier alnifolia (Nutt.) Nutt. var. alnifolia | E. P. Walker 416 | 10 Aug 1912 | United States of America | Colorado | San Miguel Co. North slope… | — | 2719675 |
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| Amelanchier utahensis Koehne | E. P. Walker 210 | 01 Jul 1912 | United States of America | Colorado | Montrose Co. | — | 2722765 |
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| Andromeda polifolia L. | E. P. Walker | 02 May 1915 | United States of America | Alaska | Wrangell. | — | 02153499 |
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| Antennaria microphylla Rydb. | E. P. Walker 289 | 15 Jul 1912 | United States of America | Utah | Grand Co. La Sal Mts.… | — | 1891267 |
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| Apocynum cannabinum L. | E. P. Walker 191 | 28 Jun 1912 | United States of America | Colorado | Montrose Co. | — | 4174981 |
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| Arctostaphylos patula Greene | E. P. Walker 324 | 20 Jul 1912 | United States of America | Colorado | Montrose Co. Buckeye Basin. | — | 2517082 |
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| Arctostaphylos patula Greene | E. P. Walker 567 | 20 Nov 1912 | United States of America | Colorado | Montrose Co. Rocky hillside, Paradox. | — | 2517083 |
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| Arnica latifolia Bong. | E. P. Walker 774 | 03 Jul 1915 | United States of America | Alaska | Kuiu Isl.; near timber line. | — | 1881945 |
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| Asclepias subverticillata (A.Gray) Vail | E. P. Walker 338 | 26 Jul 1912 | United States of America | Colorado | Montrose Co. | — | 3528836 |
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| Astragalus flexuosus var. diehlii (M.E.Jones) Barneby | E. P. Walker 76 | 13 Jun 1912 | United States of America | Colorado | Montrose Co. Paradox | — | 01249281 |
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| Astragalus lonchocarpus Torr. | E. P. Walker 502 | 18 Aug 1912 | United States of America | Colorado | San Miguel Co. Norwood Hill | — | 01261049 |
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| Astragalus multiflorus (Pursh) A.Gray | E. P. Walker 1194 | Jun 1918 | Canada | British Columbia | Telegraph Creek | — | 01266148 |
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| Astragalus praelongus var. ellisiae (Rydb.) Barneby | E. P. Walker 107 | 17 Jun 1912 | United States of America | Colorado | Montrose Co. Paradox | — | 01264727 |
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| Atriplex dioica Raf. | E. P. Walker 389 | 02 Aug 1912 | United States of America | Colorado | Montrose Co. river bottoms | — | 3340669 |
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| Bahia dissecta (A.Gray) Britton | E. P. Walker 421 | 10 Aug 1912 | United States of America | Colorado | San Miguel Co. Norwood Hill | — | 1900613 |
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| Berberis fendleri A.Gray | E. P. Walker 548 | 11 Sep 1912 | United States of America | Colorado | Montrose Co. | — | 3830457 |
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| Bromus tectorum L. | E. P. Walker 170 | 24 Jun 1912 | United States of America | Colorado | Montrose Co. | — | 664588 |
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| Calamagrostis canadensis (Michx.) P.Beauv. | E. P. Walker s.n. | 30 Jul 1915 | United States of America | Alaska | Rocky slope one mile from… | — | 1645421 |
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| Carex canescens L. | E. P. Walker 644 | 15 May 1915 | United States of America | Alaska | Wrangell. | — | 2253428 |
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