Displaying 1 - 50 out of 340 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Batidaea laetissima Greene | J. H. Cowen s.n. | 17 Jun 1895 | United States of America | Colorado | Larimer Co. Foothills. | isotype |
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| Atriplex oblanceolata Rydb. | J. H. Cowen 4071 | 03 Sep 1897 | United States of America | Colorado | Delta. | holotype |
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| Acrolasia gracilis Rydb. | J. H. Cowen s.n. | 01 Jun 1895 | United States of America | Colorado | Larimer Co. | holotype |
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| Mentzelia densa Greene | J. H. Cowen s.n. | 23 Jun 1892 | United States of America | Colorado | Delta Co. | — |
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| Penstemon saxosorum Pennell | J. H. Cowen s.n. | 06 Jul 1892 | United States of America | Colorado | Oak Mesa north of Hotchkiss | — |
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| Carduus centaureae Rydb. | J. H. Cowen s.n. | 19 Aug 1895 | United States of America | Colorado | Larimer Co. | holotype |
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| Carduus centaureae Rydb. | J. H. Cowen s.n. | 19 Aug 1895 | United States of America | Colorado | Larimer Co. | type |
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| Rhus tessellata Greene | J. H. Cowen s.n. | 20 Jul 1895 | United States of America | Colorado | Larimer Co. Foothills | isotype |
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| Ceanothus subsericeus Rydb. | J. H. Cowen s.n. | 20 Jul 1895 | United States of America | Colorado | Larimer Co. Foothills | holotype |
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| Onosmodium molle var. occidentale (Mack.) I.M.Johnst. | J. H. Cowen s.n. | 10 Jul 1893 | United States of America | Colorado | Larimer Co. Ft. Collins | — |
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| Stanleya glauca Rydb. | J. H. Cowen s.n. | 15 Jul 1895 | United States of America | Colorado | Prarie, Entrance Soldier Canyon to… | holotype |
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| Stanleya glauca Rydb. | J. H. Cowen s.n. | 15 Jul 1895 | United States of America | Colorado | Prarie, Entrance Soldier Canyon to… | isotype |
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| Lycoperdon molle Pers.:Pers. | J. H. Cowen z30 | 15 Jun 1895 | United States of America | Colorado | Larimer Co. Along RR south… | — | ||||
| Chrysothamnus affinis A.Nelson | J. H. Cowen 2742 | 29 Aug 1896 | United States of America | Colorado | South Park at Jefferson | isotype |
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| Frasera speciosa var. stenosepalum Rydb. | J. H. Cowen s.n. | 20 Jun 1895 | United States of America | Colorado | Larimer Co. | possible type |
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| Penstemon virgatus subsp. asa-grayi Crosswh. | J. H. Cowen 363 | 25 Jun 1895 | United States of America | Colorado | Larimer Co. | — |
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| Penstemon virgatus var. asa-grayi (Crosswh.) Dorn | J. H. Cowen 1810 | 25 Jun 1895 | United States of America | Colorado | Gulch west of Pennock's | — |
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| Penstemon glaber Pursh var. glaber | J. H. Cowen 4201 | 18 Jun 1896 | United States of America | Colorado | Horse-tooth Mountain | — |
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| Penstemon glaber Pursh var. glaber | J. H. Cowen 4202 | 13 Jul 1898 | United States of America | Colorado | Stove Prairie Hill | — |
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| Penstemon glaber Pursh var. glaber | J. H. Cowen 4201 | 18 Jun 1896 | United States of America | Colorado | Horsetooth Mountain | — |
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| Clematis eriophora Rydb. | J. H. Cowen s.n. | 26 Apr 1896 | United States of America | Colorado | Larimer Co. Vicinity of Horsetooth | type |
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| Penstemon virens Pennell ex Rydb. | J. H. Cowen 1833 | 01 Jun 1895 | United States of America | Colorado | Gulch west of Pennock's | — |
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| Penstemon virens Pennell ex Rydb. | J. H. Cowen s.n. | 17 Jun 1895 | United States of America | Colorado | Larimer Co. | — |
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| Solanum triflorum Nutt. | J. H. Cowen s.n. | 22 Jun 1893 | United States of America | Colorado | Fort Collins | — |
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| Solanum rostratum Dunal | J. H. Cowen s.n. | 05 Jul 1895 | United States of America | Colorado | Fort Collins | — |
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| Astragalus agrestis Douglas ex G.Don | J. H. Cowen s.n. | 19 Jun 1893 | United States of America | Colorado | Fort Collins | — |
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| Astragalus agrestis Douglas ex G.Don | J. H. Cowen s.n. | 06 Jul 1895 | United States of America | Colorado | Fort Collins | — |
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| Astragalus bisulcatus (Hook.) A.Gray var. bisulcatus | J. H. Cowen s.n. | 03 Jun 1893 | United States of America | Colorado | Along R.R., south of College | — |
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| Astragalus bisulcatus (Hook.) A.Gray var. bisulcatus | J. H. Cowen s.n. | 02 Jun 1895 | United States of America | Colorado | Ft. Collins | — |
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| Astragalus bisulcatus (Hook.) A.Gray var. bisulcatus | J. H. Cowen s.n. | 12 Jun 1895 | United States of America | Colorado | Fort Collins | — |
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| Astragalus canadensis L. var. canadensis | J. H. Cowen s.n. | 02 Jul 1895 | United States of America | Colorado | Fort Collins | — |
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| Astragalus canadensis L. var. canadensis | J. H. Cowen 94 | 02 Jul 1895 | United States of America | Colorado | Fort Collins | — |
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| Astragalus drummondii Douglas ex Hook. | J. H. Cowen s.n. | 08 Jul 1895 | United States of America | Colorado | Fort Collins | — |
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| Astragalus missouriensis Nutt. var. missouriensis | J. H. Cowen s.n. | 12 Jun 1895 | United States of America | Colorado | Fort Collins | — |
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| Astragalus mollissimus Torr. var. mollissimus | J. H. Cowen 100 | 12 Jun 1895 | United States of America | Colorado | Dry knoll SE of Ft.… | — |
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| Astragalus mollissimus Torr. var. mollissimus | J. H. Cowen s.n. | 12 Jun 1895 | United States of America | Colorado | Ft. Collins | — |
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| Astragalus shortianus Nutt. ex Torr. & A.Gray | J. H. Cowen s.n. | 26 Apr 1896 | United States of America | Colorado | Larimer Co. Vicinity of Horse-Tooth | — |
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| Astragalus tridactylicus A.Gray | J. H. Cowen s.n. | 26 Apr 1896 | United States of America | Colorado | Vicinity of Horsetooth [SW of… | — |
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| Physalis hederifolia var. comata (Rydb.) Waterf. | J. H. Cowen s.n. | 02 Sep 1893 | United States of America | Colorado | Along Poudre. | — |
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| Physalis heterophylla Nees | J. H. Cowen s.n. | 07 Jul 1899 | United States of America | Colorado | Hills W of Dixon Canyon. | — |
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| Physalis hispida (Waterf.) Cronquist | J. H. Cowen s.n. | 15 Jul 1895 | United States of America | Colorado | Entrance to Soldier Canyon to… | — |
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| Physalis hispida (Waterf.) Cronquist | J. H. Cowen s.n. | 14 Jul 1893 | United States of America | Colorado | Larimer Co. Fort Collins. | — |
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| Quincula lobata (Torr.) Raf. | J. H. Cowen s.n. | 09 Jul 1895 | United States of America | Colorado | College Garden. | — |
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| Achnatherum hymenoides (Roem. & Schult.) Barkworth | J. H. Cowen 3418 | 20 Jun 1891 | United States of America | Colorado | Fort Collins. College Farm. | — |
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| Alopecurus aequalis Sobol. | J. H. Cowen 3459 | 24 Jun 1892 | United States of America | Colorado | Hotchkiss | — |
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| Bromus anomalus Rupr. ex E.Fourn. | J. H. Cowen 3635 | 02 Aug 1892 | United States of America | Colorado | W. Gannison Co.; Quaking Gap… | — |
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| Hesperostipa comata (Trin. & Rupr.) Barkworth | J. H. Cowen s.n. | 15 Jun 1895 | United States of America | Colorado | Larimer Co. | — |
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| Muhlenbergia montana (Nutt.) Hitchc. | J. H. Cowen 3424 | 28 Aug 1896 | United States of America | Colorado | south Park, SE of Jefferson | — |
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| Muhlenbergia torreyi (Kunth) Hitchc. ex Bush | J. H. Cowen s.n. | 08 Jul 1895 | United States of America | Colorado | Fort Collins. | — |
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| Coriolopsis gallica (Fr.) Ryvarden | J. H. Cowen 228 | 12 Jul 1895 | — | — | — |
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