Displaying 251 - 325 out of 340 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Lilium umbellatum Pursh | J. H. Cowen 2456 | 11 Jul 1897 | United States of America | Colorado | Larimer Co. Rist Canon | — |
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| Calystegia macounii (Greene) Brummitt | J. H. Cowen 1623 | 12 Jun 1896 | United States of America | Colorado | Larimer Co. River flats -… | — |
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| Atriplex gardneri (Moq.) D.Dietr. | J. H. Cowen 2177 | 27 Jun 1893 | United States of America | Colorado | Larimer Co. East Fort Collins | — |
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| Poa arida Vasey | J. H. Cowen 3693 | 17 Jun 1893 | United States of America | Colorado | Larimer Co. River, Fort Collins. | — |
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| Rosa acicularis Lindl. | J. H. Cowen s.n. | 16 Jul 1898 | United States of America | Colorado | Beaver Cr. | — |
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| Setaria viridis (L.) P.Beauv. | J. H. Cowen 3382 | 03 Sep 1893 | United States of America | Colorado | Larimer Co. Fort Collins. College… | — |
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| Angelica grayi (J.M.Coult. & Rose) J.M.Coult. & Rose | J. H. Cowen s.n. | 19 Jul 1898 | United States of America | Colorado | Beaver Cr. | — |
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| Erysimum cheiranthoides L. | J. H. Cowen 46 | 01 Jul 1895 | United States of America | Colorado | Larimer Co. Along the Poudre | — |
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| Erysimum cheiranthoides L. | J. H. Cowen 36 | 01 Jul 1895 | United States of America | Colorado | Larimer Co. Along the Poudre | — |
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| Thalictrum dasycarpum Fisch. & Avé-Lall. | J. H. Cowen 32 | 01 Jul 1895 | United States of America | Colorado | Larimer Co. near river | — |
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| Oedogonium stagnale Kütz. | J. H. Cowen s.n. | 28 Jun 1896 | United States of America | Colorado | west of Fort Collinsn, in… | — |
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| Oedogonium stagnale Kütz. | J. H. Cowen s.n. | 28 Jun 1896 | United States of America | Colorado | west of Fort Collinsn, in… | — |
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| Lepidium densiflorum Schrad. | J. H. Cowen 47 | 13 May 1891 | United States of America | Colorado | Larimer Co. | — |
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| Uromyces euphorbiae Cooke & Peck | J. H. Cowen 4035 | 21 Jul 1896 | United States of America | Colorado | Larimer Co. Prairie. | — |
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| Solanum interius Rydb. | J. H. Cowen 4197 | 18 Oct 1897 | United States of America | Colorado | Ft. [Fort] Collins | — |
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| Campanula rotundifolia L. | J. H. Cowen 2103 | 27 Aug 1896 | United States of America | Colorado | Summit Co. | — |
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| Sphaeralcea coccinea (Nutt.) Rydb. | J. H. Cowen 94 | 12 Jun 1895 | United States of America | Colorado | Fort Collins. | — |
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| Callitriche verna L. | J. H. Cowen s.n. | 19 Jul 1893 | United States of America | Colorado | Larimer Co. Foothills | — |
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| Acer glabrum Torr. | J. H. Cowen 85 | 24 Jul 1895 | United States of America | Colorado | Larimer Co. Foot-hills | — |
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| Puccinia nuttallii Ellis & Everh. | J. H. Cowen 149 | 17 Jun 1895 | United States of America | Colorado | Foothills of the Rocky Mountains | isotype |
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| Lewisia pygmaea (A.Gray) B.L.Rob. | J. H. Cowen 89 | 02 Aug 1895 | United States of America | Colorado | Summit Co. Mt NE of… | — |
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| Lupinus argenteus var. argenteus | J. H. Cowen s.n. | 25 Jun 1895 | United States of America | Colorado | Larimer Co. Foothills. | — |
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| Nicotiana attenuata Torr. ex S.Watson | J. H. Cowen 1754 | 05 Sep 1897 | United States of America | Colorado | Delta Co. | — |
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| Nicotiana attenuata Torr. ex S.Watson | J. H. Cowen s.n. | 05 Sep 1897 | United States of America | Colorado | Delta Co. | — |
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| Phragmites australis (Cav.) Trin. ex Steud. | J. H. Cowen s.n. | 11 Aug 1892 | United States of America | Colorado | Delta Co. | — |
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| Ambrosia psilostachya DC. | J. H. Cowen 3276 | 24 Jul 1896 | United States of America | Colorado | Larimer Co. | — |
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| Ambrosia tomentosa Nutt. | J. H. Cowen 3265 | 19 Jun 1891 | United States of America | Colorado | South Chem. Lab. | — |
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| Ambrosia tomentosa Nutt. | J. H. Cowen 3262 | 08 Jul 1896 | United States of America | Colorado | Larimer Co. College Grounds [label… | — |
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| Ambrosia tomentosa Nutt. | J. H. Cowen 3265 | 19 Jun 1891 | United States of America | Colorado | Larimer Co. College Grounds. South… | — |
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| Brickellia albicaulis (Rydb.) A.Nelson | J. H. Cowen s.n. | 15 Aug 1891 | United States of America | Colorado | Larimer Co. | — |
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| Chrysothamnus nauseosus (Pall.) Britton subsp. nauseosus | J. H. Cowen 2729 | 16 Sep 1895 | United States of America | Colorado | Larimer Co. | — |
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| Chaetophora elegans (Roth) C.Agardh | J. H. Cowen s.n. | 28 Jun 1896 | United States of America | Colorado | Larimer Co. Foothills, forming a… | — |
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| Chaetophora elegans (Roth) C.Agardh | J. H. Cowen s.n. | 28 Jun 1896 | United States of America | Colorado | Larimer Co. Foothills, forming a… | — |
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| Populus tremuloides Michx. | J. H. Cowen 2324 | 09 May 1896 | United States of America | Colorado | Larimer Co. | — |
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| Psoralidium tenuiflorum (Pursh) Rydb. | J. H. Cowen s.n. | 29 Jul 1896 | United States of America | Colorado | Larimer Co. Waste places | — |
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| Delphinium barbeyi (Huth) Huth | J. H. Cowen 16 | 02 Aug 1895 | United States of America | Colorado | Mountain N-E of Boreas below… | — |
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| Chamaerhodos erecta (L.) Bunge | J. H. Cowen s.n. | 28 Aug 1896 | United States of America | Colorado | South Park near Jefferson | — |
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| Anemone canadensis L. | J. H. Cowen 2 | 13 Jun 1895 | United States of America | Colorado | Larimer Co. | — |
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| Anemone cylindrica A.Gray | J. H. Cowen 3 | 20 Jun 1895 | United States of America | Colorado | Larimer Co. | — |
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| Clematis occidentalis var. grosseserrata (Rydb.) J.S.Pringle | J. H. Cowen s.n. | 09 May 1896 | United States of America | Colorado | Foothills | — |
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| Delphinium geyeri Greene | J. H. Cowen 13 | 17 Jun 1895 | United States of America | Colorado | Larimer Co. Foothills. Dry grassy… | — |
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| Erysiphe sepulta Ellis & Everh. | J. H. Cowen 142 | 22 Jun 1895 | United States of America | Colorado | East of Calleys | — |
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| Ranunculus aquatilis var. diffusus With. | J. H. Cowen 20 | 11 Jul 1895 | United States of America | Colorado | Larimer Co. | — |
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| Ranunculus glaberrimus var. ellipticus (Greene) Greene | J. H. Cowen 23 | 15 Apr 1893 | United States of America | Colorado | Larimer Co. Foothills | — |
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| Ranunculus uncinatus D.Don ex G.Don | J. H. Cowen 29 | 14 Jul 1892 | United States of America | Colorado | Delta Co. Leroux Creek | — |
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| Thalictrum dasycarpum Fisch. & Avé-Lall. | J. H. Cowen 25 | 01 Jul 1895 | United States of America | Colorado | Larimer Co. bank of river | — |
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| Thalictrum fendleri Engelm. ex A.Gray | J. H. Cowen 31 | 25 Jun 1895 | United States of America | Colorado | Larimer Co. Gulch-foothills | — |
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| Geum aleppicum Jacq. | J. H. Cowen s.n. | 23 Jun 1892 | United States of America | Colorado | Delta Co. Moist meadow | — |
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| Holodiscus discolor var. dumosus (S.Watson) Dippel | J. H. Cowen s.n. | 05 Aug 1892 | United States of America | Colorado | Gunnison Co. Ragged Mountain | — |
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| Physocarpus monogynus (Torr.) J.M.Coult. | J. H. Cowen s.n. | 01 Jun 1895 | United States of America | Colorado | Larimer Co. | — |
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| Sphaerotheca pannosa (Wallr.) Lév. | J. H. Cowen 199 | 20 Sep 1895 | United States of America | Colorado | College Campus | — |
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| Potentilla anserina L. | J. H. Cowen s.n. | 01 Jun 1895 | United States of America | Colorado | Edge of lake near N.… | — |
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| Potentilla hippiana Lehm. | J. H. Cowen s.n. | 12 Jul 1895 | United States of America | Colorado | Poudre Flats above Ft Collins | — |
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| Delphinium carolinianum subsp. virescens (Nutt.) R.E.Brooks | J. H. Cowen s.n. | 27 Jun 1895 | United States of America | Colorado | Larimer Co. Poudre Flats N.… | — |
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| Rosa woodsii Lindl. var. woodsii | J. H. Cowen s.n. | 18 Jun 1896 | United States of America | Colorado | Horsetooth Mt. | — |
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| Rosa woodsii Lindl. var. woodsii | J. H. Cowen s.n. | 18 Jun 1896 | United States of America | Colorado | Larimer Co. | — |
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| Gutierrezia sarothrae (Pursh) Britton & Rusby | J. H. Cowen s.n. | 10 Aug 1891 | United States of America | Colorado | Larimer Co. | — |
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| Helianthus annuus L. | J. H. Cowen 2919 | 25 Jul 1896 | United States of America | Colorado | Larimer Co. Waste places | — |
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| Hieracium fendleri Sch.Bip. | J. H. Cowen s.n. | 17 Jun 1895 | United States of America | Colorado | Larimer Co. | — |
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| Hymenopappus filifolius var. cinereus (Rydb.) I.M.Johnst. | J. H. Cowen 3201 | 14 Jun 1892 | United States of America | Colorado | Fremont Co. | — |
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| Taraxacum ceratophorum (Ledeb.) DC. | J. H. Cowen 2350 | 22 May 1892 | United States of America | Colorado | Larimer Co. College Grounds [label… | — |
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| Hymenoxys ivesiana (Greene) K.F.Parker | J. H. Cowen s.n. | 08 Jul 1892 | United States of America | Colorado | Delta Co. Leroux Creek | — |
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| Iva axillaris Pursh | J. H. Cowen 3269 | 06 Jul 1895 | United States of America | Colorado | Larimer Co. College premises [label… | — |
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| Iva xanthifolia Nutt. | J. H. Cowen s.n. | 07 Sep 1895 | United States of America | Colorado | Larimer Co. | — |
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| Kuhnia chlorolepis Wooton & Standl. | J. H. Cowen 2979 | 05 Sep 1897 | United States of America | Colorado | Delta Co. | — |
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| Lactuca perennis L. | J. H. Cowen 3284 | 24 Jul 1896 | United States of America | Colorado | Larimer Co. Waste places | — |
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| Lactuca serriola var. integrata Gren. & Godr. | J. H. Cowen 3288 | 25 Jul 1896 | United States of America | Colorado | Larimer Co. Waste places | — |
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| Machaeranthera bigelovii (A.Gray) Greene | J. H. Cowen 3222 | 28 Aug 1896 | United States of America | Colorado | South Park, SE of Jefferson | — |
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| Monarda pectinata Nutt. | J. H. Cowen s.n. | 17 Jun 1895 | United States of America | Colorado | Larimer Co. | — |
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| Microseris cuspidata (Pursh) Sch.Bip. | J. H. Cowen 3297 | 26 Apr 1896 | United States of America | Colorado | Vicinity of Horsetooth | — |
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| Senecio triangularis Hook. | J. H. Cowen 3027 | 27 Aug 1896 | United States of America | Colorado | Summit Co. | — |
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| Oonopsis foliosa (A.Gray) Greene | J. H. Cowen s.n. | 14 Jun 1892 | United States of America | Colorado | Fremont Co. | — |
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| Ratibida columnifera (Nutt.) Wooton & Standl. | J. H. Cowen s.n. | 08 Jul 1893 | United States of America | Colorado | Larimer Co. | — |
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| Ratibida columnifera (Nutt.) Wooton & Standl. | J. H. Cowen s.n. | 16 Jul 1895 | United States of America | Colorado | Larimer Co. | — |
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| Rudbeckia hirta var. serotina (Nutt.) Core | J. H. Cowen 3015 | 05 Jul 1895 | United States of America | Colorado | Larimer Co. East bank of… | — |
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