Displaying 1 - 75 out of 727 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Acer saccharum Marshall | H. N. Patterson 187 | — | United States of America | Illinois | Oquawka. | — | 2489044 |
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| Achnatherum scribneri (Vasey) Barkworth | H. N. Patterson 273 | Aug 1892 | United States of America | Colorado | Mountains about the head waters… | — | 1553925 |
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| Achnatherum scribneri (Vasey) Barkworth | H. N. Patterson 273 | Aug 1892 | United States of America | Colorado | Mountains about the head waters… | — | 1553941 |
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| Aesculus glabra Willd. | H. N. Patterson s.n. | 14 May 1874 | United States of America | Illinois | Near Oquawka | — | 2497488 |
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| Aesculus glabra Willd. | H. N. Patterson s.n. | May 1875 | United States of America | Illinois | Near Oquawka | — | 2497494 |
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| Aesculus glabra Willd. | H. N. Patterson s.n. | May 1876 | United States of America | Illinois | near Oquawka, in rich woods | — | 2497496 |
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| Agoseris aurantiaca (Hook.) Greene var. aurantiaca | H. N. Patterson 90 | 10 Aug 1885 | — | — | Mts. about the head waters… | — | 1867425 |
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| Agoseris elata (Nutt.) Greene | H. N. Patterson 91 | 10 Aug 1885 | United States of America | Colorado | High mountains about Gray Peak,… | — | 1875958 |
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| Agoseris elata (Nutt.) Greene | H. N. Patterson 91 | 10 Aug 1885 | United States of America | Colorado | Mts. about the head waters… | — | 1875959 |
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| Agoseris glauca var. dasycephala (Torr. & A.Gray) Jeps. | H. N. Patterson 283 | August 15 and 30, 1892 | United States of America | Colorado | Mountain sides near Empire | — | 1876032 |
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| Agoseris glauca var. dasycephala (Torr. & A.Gray) Jeps. | H. N. Patterson 283 | 15 & 30 August 1892 | United States of America | Colorado | Clear Creek Co. Near Empire. | — | 1876033 |
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| Agoseris x agrestis Osterh. | H. N. Patterson 87 | 10 Jul 1885 | United States of America | Colorado | Clear Creek, Georgetown. | — | 1867131 |
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| Agoseris x agrestis Osterh. | H. N. Patterson 88 | 1885, August | United States of America | Colorado | Clear Creek Canyon near Georgetown. | — | 1867130 |
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| Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. | H. N. Patterson 263 | 30 Jul 1892 | United States of America | Colorado | In the valley near Empire. | — | 1556044 |
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| Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. | H. N. Patterson 49 | 1892 | United States of America | Colorado | — | 1556043 |
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| Agrostis scabra Willd. | H. N. Patterson 263 | 30 Jul 1892 | United States of America | Colorado | Mountains about the head waters… | — | 1532885 |
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| Aletes acaulis (Torr.) J.M.Coult. & Rose | H. N. Patterson 37 | 01 Jul 1885 - 09 Sep 1885 | United States of America | Colorado | Castle Rock. Foothills near Golden | — | 3365459 |
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| Aletes acaulis (Torr.) J.M.Coult. & Rose | H. N. Patterson s.n. | Aug 1882 | United States of America | Colorado | Boulder Co. | — | 3365475 |
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| Aliciella pinnatifida (Nutt. ex A.Gray) J.M.Porter | H. N. Patterson 102 | Jul 1885 - Aug 1885 | United States of America | Colorado | Mountain sides near Georgetown | — | 3261971 |
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| Allium geyeri S.Watson | H. N. Patterson 5397 | Sep 1885 | United States of America | Colorado | Chicago Lakes | — | 3763198 |
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| Alopecurus magellanicus Lam. | H. N. Patterson s.n. | 02 Sep 1885 | United States of America | Colorado | High Mountains, Gray's Peak and… | — | 1638299 |
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| Ambrosia psilostachya DC. | H. N. Patterson s.n. | Sep 1871 | United States of America | Illinois | Henderson Co. Oquawka. | — | 1884118 |
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| Amorpha canescens Pursh | H. N. Patterson s.n. | May 1888 | United States of America | Illinois | Henderson Co. | — | 2558811 |
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| Amorpha canescens Pursh | H. N. Patterson s.n. | Aug 1880 | United States of America | Illinois | Sandy barrens near Oquawka | — | 2558819 |
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| Amorpha canescens Pursh | H. N. Patterson s.n. | 04 Jun 1872 | United States of America | Illinois | near Oquawka | — | 2558879 |
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| Amorpha canescens Pursh | H. N. Patterson s.n. | Jun 1877 | United States of America | Illinois | near Oquawka | — | 2558956 |
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| Amorpha fruticosa L. | H. N. Patterson s.n. | — | United States of America | Illinois | Henderson Co. Banks of the… | — | 2559162 |
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| Amorpha fruticosa L. | H. N. Patterson s.n. | — | United States of America | Illinois | Mississippi bottoms, near Oquawka | — | 2559143 |
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| Androsace septentrionalis L. | H. N. Patterson s.n. | Aug 1882 | United States of America | Colorado | Gray's Peak | — | 3592652 |
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| Anemone multifida Poir. var. multifida | H. N. Patterson 167 | 14 Jul 1892 | United States of America | Colorado | Clear Creek Co. Mountain sides… | — | 2739656 |
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| Anticlea elegans (Pursh) Rydb. | H. N. Patterson 298 | 28 Jul 1892 - 06 Sep 1892 | United States of America | Colorado | Clear Creek Co. high mountains… | — | 3687972 |
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| Anticlea elegans (Pursh) Rydb. | H. N. Patterson 298 | 28 Jul 1892 - 06 Sep 1892 | United States of America | Colorado | High mountains about Empire | — | 3688123 |
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| Aquilegia saximontana Rydb. in A.Gray & S.Watson | H. N. Patterson s.n. | 1875 | United States of America | Colorado | Griffith Mt. | — | 2743214 |
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| Arceuthobium americanum Nutt. ex Engelm. | H. N. Patterson 297 | 30 Aug 1892 | United States of America | Colorado | Clear Creek Co. Mountain sides… | — | 3705662 |
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| Arceuthobium americanum Nutt. ex Engelm. | H. N. Patterson 297 | 30 Aug 1892 | United States of America | Colorado | Clear Creek Co. mountain sides… | — | 3705663 |
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| Arenaria fendleri A.Gray var. fendleri | H. N. Patterson 9 | Jul 1885 - Aug 1885 | United States of America | Colorado | Clear Creek Co. Mountain sides… | — | 3233972 |
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| Arenaria fendleri A.Gray var. fendleri | H. N. Patterson 9 | Jul 1885 | United States of America | Colorado | Georgetown. Dry places in Clear… | — | 3233971 |
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| Argyrochosma fendleri Windham | H. N. Patterson 163 | 20 Jul 1885 | United States of America | Colorado | Clear Creek Co. Clear Creek… | — | 3483944 |
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| Argyrochosma fendleri Windham | H. N. Patterson 163 | 20 Jul 1885 | United States of America | Colorado | Clear Creek Co. Clear Creek… | — | 3483949 |
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| Arnica fulgens Pursh | H. N. Patterson 78 | August 20 and 27, 1885 | United States of America | Colorado | Mts. about the head waters… | — | 1881389 |
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| Arnica latifolia Bong. | H. N. Patterson s.n. | 02 Sep 1885 | United States of America | Colorado | Mts. about the head waters… | — | 1882163 |
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| Arnica parryi A.Gray | H. N. Patterson 76 | 10 Aug 1885 | United States of America | Colorado | Mts. about the head waters… | — | 1883203 |
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| Arnica rydbergii Greene | H. N. Patterson 77 | Jul 1885 - Aug 1885 | United States of America | Colorado | Mts. about the headwater of… | — | 1883322 |
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| Artemisia borealis Pall. | H. N. Patterson 215 | 10 Aug 1892 | United States of America | Colorado | Clear Creek Co. High mountains… | — | 1892737 |
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| Artemisia borealis Pall. | H. N. Patterson 215 | 10 Aug 1892 | United States of America | Colorado | Mountains about the headwaters of… | — | 1892747 |
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| Artemisia borealis Pall. | H. N. Patterson 215 | 10 Aug 1892 | United States of America | Colorado | Clear Creek Co. High mountains… | — | 1892733 |
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| Artemisia ludoviciana Nutt. | H. N. Patterson 217 | September 1892 | United States of America | Colorado | Mountains about the headwaters of… | — | 1894791 |
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| Artemisia ludoviciana Nutt. | H. N. Patterson 216 | September 1892 | United States of America | Colorado | Mountains about the headwaters of… | — | 1894793 |
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| Artemisia ludoviciana Nutt. | H. N. Patterson 216 | Sep 1892 | United States of America | Colorado | Clear Creek Co. Mountain sides… | — | 1894780 |
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| Artemisia ludoviciana Nutt. subsp. ludoviciana | H. N. Patterson 217 | September 1892 | United States of America | Colorado | Mountains about the headwaters of… | — | 1895410 |
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| Artemisia norvegica subsp. saxatilis (Besser) H.M.Hall & Clem. | H. N. Patterson 218 | Aug. 15, Sept. 6, 1892 | United States of America | Colorado | Mountains about the headwaters of… | — | 1908294 |
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| Artemisia pattersonii A.Gray | H. N. Patterson 74 | 30 Jul 1885 | United States of America | Colorado | Gray's Peak | isotype | 158552 |
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| Artemisia pattersonii A.Gray | H. N. Patterson 74 | Aug 1892 | United States of America | Colorado | High mts, vicinity of Gray's… | — | 01908600 |
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| Artemisia scopulorum A.Gray | H. N. Patterson 72 | August 1885 | United States of America | Colorado | Mountains about the headwaters of… | — | 1908778 |
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| Artemisia scopulorum A.Gray | H. N. Patterson 74 | 30 Jun 1885 | United States of America | Colorado | Mountains about the headwaters of… | — | 1908843 |
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| Artemisia scopulorum A.Gray | H. N. Patterson 72 | Aug 1872 | United States of America | Colorado | High Mtns., Gray's Peak &… | — | 1908842 |
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| Artemisia tridentata subsp. vaseyana (Rydb.) Beetle | H. N. Patterson 219 | 25 Aug 1892 | United States of America | Colorado | Mountains about the headwaters of… | — | 1897420 |
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| Artemisia tridentata subsp. vaseyana (Rydb.) Beetle | H. N. Patterson 219 | 25 Aug 1892 | United States of America | Colorado | In the valley near Empire | — | 1897481 |
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| Aster foliaceus var. apricus A.Gray | H. N. Patterson s.n. | Aug 1882 | United States of America | Colorado | In the valley north of… | syntype | 158844 |
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| Aster pattersonii A.Gray | H. N. Patterson s.n. | Sep 1882 | United States of America | Colorado | Vicinity of Gray's Peak: Keloo… | — | 161975 |
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| Aster pattersonii A.Gray | H. N. Patterson s.n. | 08 Aug 1876 | United States of America | Colorado | Gray's Peak | syntype | 161974 |
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| Aster pattersonii A.Gray | H. N. Patterson 48 | Sep 1885 | United States of America | Colorado | Mts. about the head waters… | — | 161976 | ||
| Astragalus alpinus L. var. alpinus | H. N. Patterson s.n. | 1875 | United States of America | Colorado | Georgetown | — | 01215485 |
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| Astragalus alpinus L. var. alpinus | H. N. Patterson 180 | 08 Aug 1892 | United States of America | Colorado | Near Empire | — | 01215486 |
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| Astragalus alpinus L. var. alpinus | H. N. Patterson 180 | 08 Aug 1892 | United States of America | Colorado | Near Empire | — | 01215492 |
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| Astragalus bisulcatus var. haydenianus (A.Gray) Barneby | H. N. Patterson s.n. | 28 Jul 1876 | United States of America | Colorado | Banks of Grand River, Middle… | — | 01244860 |
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| Astragalus bisulcatus var. haydenianus (A.Gray) Barneby | H. N. Patterson s.n. | 28 Jul 1876 | United States of America | Colorado | Middle Park | — | 01244866 |
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| Astragalus canadensis L. var. canadensis | H. N. Patterson s.n. | Aug/28 | United States of America | Illinois | vicinity of Oquawka | — | 01247208 |
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| Astragalus convallarius var. scopulorum Barneby | H. N. Patterson s.n. | 28 Jul 1876 | United States of America | Colorado | Dry plains of Muddle Park | — | 01247873 |
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| Astragalus eucosmus B.L.Rob. | H. N. Patterson s.n. | 03 Aug 1892 | United States of America | Colorado | Colorado Flora | — | 01249149 |
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| Astragalus eucosmus B.L.Rob. | H. N. Patterson 183 | 03 Aug 1892 | United States of America | Colorado | Near Empire | — | 01249150 |
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| Astragalus flexuosus (Hook.) Douglas ex G.Don var. flexuosus | H. N. Patterson 20 | Jul 1885 | United States of America | Colorado | Mts. about the head waters… | — | 01249383 |
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| Astragalus flexuosus (Hook.) Douglas ex G.Don var. flexuosus | H. N. Patterson 20 | Jul 1885 | United States of America | Colorado | Mts. about the head waters… | — | 01249389 |
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| Astragalus multiflorus (Pursh) A.Gray | H. N. Patterson 182 | Jul 1892 - 01 Sep 1892 | United States of America | Colorado | Mountain sides near Empire. Headwaters… | — | 01266273 |
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| Astragalus multiflorus (Pursh) A.Gray | H. N. Patterson 182 | Jul 1892 - 01 Sep 1892 | United States of America | Colorado | Mountain sides near Empire. Headwaters… | — | 01266312 |
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