Displaying 1 - 50 out of 658 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Abronia fragrans Nutt. ex Hook. | E. L. Johnston 280A | 29 Jul 1910 | United States of America | Colorado | Weld Co. | — | 3370459 |
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| Acer glabrum Torr. | E. L. Johnston 6666 | 06 Jul 1917 | United States of America | Colorado | Jefferson Co. | — | 2483973 |
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| Achnatherum hymenoides (Roem. & Schult.) Barkworth | E. L. Johnston 272b | 14 Jul 1916 | United States of America | Colorado | Ft. Lupton. East of town. | — | 1553320 |
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| Aconitum columbianum Nutt. var. columbianum | E. L. Johnston 719 | 08 Aug 1910 | United States of America | Colorado | Glen Haven. North fork of… | — | 2727054 |
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| Actaea rubra (Aiton) Willd. | E. L. Johnston 719 | 15 Aug 1917 | United States of America | Colorado | Georgetown[?], road to Idaho Springs | — | 2728179 |
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| Agastache foeniculum (Pursh) Kuntze | E. L. Johnston 701 | 05 Aug 1910 | United States of America | Colorado | Larimer Co. Thompson Canon | — | 2904286 |
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| Agoseris aurantiaca var. purpurea (A.Gray) Cronquist | E. L. Johnston 799 | 08 Aug 1910 | United States of America | Colorado | Estes Bank, New Road and… | — | 01867667 |
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| Agoseris glauca (Pursh) Raf. var. glauca | E. L. Johnston 710 | 10 Aug 1910 | United States of America | Colorado | Larimer Co. New Road &… | — | 1876389 |
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| Agoseris parviflora (Nutt.) D.Dietr. | E. L. Johnston s.n. | 24 Jun 1926 | United States of America | Colorado | Custer Co. | — | 1877181 |
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| Agoseris x agrestis Osterh. | E. L. Johnston 805 | 10 Aug 1918 | United States of America | Colorado | Estes Park | — | 1867107 |
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| Agrimonia striata Michx. | E. L. Johnston 69 | 10 Aug 1905 | United States of America | Colorado | Larimer Co. [illegible] canon | — | 2719227 |
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| Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. | E. L. Johnston 249 | 01 Aug 1917 | United States of America | Colorado | Walden. | — | 1556040 |
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| Agrostis stolonifera L. | E. L. Johnston 642 | 04 Jul 1910 | United States of America | Colorado | Evans | — | 1533395 |
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| Agrostis stolonifera L. | E. L. Johnston 580B | 15 Jul 1916 | United States of America | Colorado | Ft. Lupton | — | 1533402 |
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| Aletes acaulis (Torr.) J.M.Coult. & Rose | E. L. Johnston 872b | 04 Jun 1916 | United States of America | Colorado | Golden. Lookout Mountain | — | 3365467 |
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| Aliciella pinnatifida (Nutt. ex A.Gray) J.M.Porter | E. L. Johnston 137A | 01 Jun 1910 | United States of America | Colorado | Weld Co. Platte River bed | — | 3261944 |
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| Allium nuttallii S.Watson | E. L. Johnston 212 | 24 Jun 1917 | United States of America | Colorado | Custer Co. | — | 3763959 |
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| Allium nuttallii S.Watson | E. L. Johnston 52 | 24 May 1926 | United States of America | Colorado | Yuma Co. | — | 3763958 |
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| Allium textile A.Nelson & J.F.Macbr. | E. L. Johnston 541 | 28 May 1910 | United States of America | Colorado | Weld Co. | — | 3773333 |
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| Allium textile A.Nelson & J.F.Macbr. | E. L. Johnston 211 | 20 Jun 1917 | United States of America | Colorado | Las Animas Co. | — | 3773337 |
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| Alopecurus aequalis Sobol. | E. L. Johnston 551 | 01 Jun 1910 | United States of America | Colorado | Platte River bed. Evans. | — | 1637776 |
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| Alopecurus geniculatus L. | E. L. Johnston 243 | 19 Jun 1917 | United States of America | Colorado | Stinewall. | — | 1637951 |
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| Ambrosia psilostachya DC. | E. L. Johnston 119 | Jul 1926 | United States of America | Colorado | Plains. [illegible] | — | 1884192 |
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| Ambrosia tomentosa Nutt. | E. L. Johnston 12 | 01 Aug 1926 | United States of America | Colorado | Weld Co. | — | 1884291 |
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| Amorpha angustifolia (Pursh) F.E.Boynton | E. L. Johnston 247 | 07 Jul 1917 | United States of America | Colorado | Jefferson Co. | — | 02558735 |
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| Androsace septentrionalis L. | E. L. Johnston 699 | 08 Aug 1917 | United States of America | Colorado | Top of Berthoud Pass | — | 3592528 |
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| Androsace septentrionalis L. | E. L. Johnston 683 | s.d. | United States of America | Colorado | Larimer Co. Longs Peak | — | 3592530 |
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| Androsace septentrionalis L. | E. L. Johnston 802 | 08 Aug 1910 | United States of America | Colorado | Larimer Co. Devils Gulch | — | 3592509 |
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| Androsace septentrionalis L. | E. L. Johnston 267 | 18 Jun 1917 | United States of America | Colorado | Las Animas Co. ledges | — | 3592505 |
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| Anemone canadensis L. | E. L. Johnston 64 | 02 Aug 1926 | United States of America | Colorado | Weld Co. | — | 2738726 |
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| Anemone multifida Poir. var. multifida | E. L. Johnston s.n. | 25 Jun 1917 | United States of America | Colorado | Custer Co. | — | 2739676 |
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| Antennaria anaphaloides Rydb. | E. L. Johnston 714 | Aug 8-1910 | United States of America | Colorado | Glen Haven | — | 1889435 |
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| Anthemis cotula L. | E. L. Johnston 661 | 14 Jul 1910 | United States of America | Colorado | Weld Co. | — | 1895872 |
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| Anticlea elegans (Pursh) Rydb. | E. L. Johnston 735 | 31 Jul 1917 | United States of America | Wyoming | Fox Park | — | 3688295 |
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| Arabis divaricarpa A.Nelson | E. L. Johnston s.n. | 21 Jun 1917 | United States of America | Colorado | Huerfano Co. | — | 3153725 |
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| Arabis divaricarpa A.Nelson | E. L. Johnston 264 | 24 Jun 1917 | United States of America | Colorado | Huerfano Co. | — | 3153726 |
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| Arabis drummondii A.Gray | E. L. Johnston 219 | 08 Aug 1917 | United States of America | Colorado | Grand Co. Berthoud Pass | — | 3154024 |
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| Arabis fendleri (S.Watson) Greene | E. L. Johnston 33 | 24 May 1926 | United States of America | Colorado | Weld Co. | — | 3154117 |
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| Arabis fendleri (S.Watson) Greene | E. L. Johnston 819 | 10 Jun 1916 | United States of America | Colorado | Larimer Co. | — | 3154178 |
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| Arabis glabra (L.) Bernh. | E. L. Johnston 854 | 10 Jun 1916 | United States of America | Colorado | Larimer Co. Estes Park | — | 3154389 |
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| Arabis glabra (L.) Bernh. | E. L. Johnston 718 | 08 Aug 1910 | United States of America | Colorado | Glen Haven. | — | 3154395 |
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| Arabis hirsuta (L.) Scop. | E. L. Johnston 693 | 08 Aug 1910 | United States of America | Colorado | Glen Haven. | — | 3154634 |
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| Arceuthobium americanum Nutt. ex Engelm. | E. L. Johnston 130 | 29 Jun 1917 | United States of America | Colorado | Boulder Co. | — | 3705679 |
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| Arceuthobium cyanocarpum (A.Nelson ex Rydb.) J.M.Coult. & A.Nelson | E. L. Johnston 129 | 29 Jun 1917 | United States of America | Colorado | Boulder Co. | — | 3705815 |
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| Arenaria fendleri A.Gray var. fendleri | E. L. Johnston 75 | 06 Aug 1905 | United States of America | Colorado | Larimer Co. | — | 3234021 |
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| Arenaria fendleri A.Gray var. fendleri | E. L. Johnston 205 | 17 Jul 1917 | United States of America | Colorado | Boulder Co. | — | 3233962 |
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| Aristida purpurea var. longiseta (Steud.) Vasey | E. L. Johnston 702B | 02 Sep 1916 | United States of America | Colorado | Weld Co. East of town | — | 1632496 |
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| Arnica cordifolia Hook. | E. L. Johnston 760 | 10 Aug 1910 | United States of America | Colorado | Estes Park; new road to… | — | 1881247 |
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| Artemisia campestris subsp. pacifica (Nutt.) H.M.Hall & Clem. | E. L. Johnston 685 | 08 Aug 1910 | United States of America | Colorado | Glen Haven. | — | 1893276 |
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| Artemisia frigida Willd. | E. L. Johnston 113 | 01 Sep 1926 | United States of America | Colorado | Yuma Co. Plains | — | 1894296 |
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