Displaying 76 - 150 out of 4458 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Erigeron poliospermus A.Gray | F. Tweedy 922 | May 1883 | United States of America | Washington | Walla Walla region, Washington Territory | syntype |
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| Pinus contorta var. latifolia Engelm. | F. Tweedy 3249 | 20 Jul 1900-15 Aug 1900 | United States of America | Wyoming | Eastern slope of the Big… | — |
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| Pinus contorta var. latifolia Engelm. | F. Tweedy 3249 | 20 Jul 1900-15 Aug 1900 | United States of America | Wyoming | Eastern slope of the Big… | — | ||||
| Pinus contorta var. latifolia Engelm. | F. Tweedy 2670 | Jul 1899 | United States of America | Wyoming | Sheridan Co. Big Horn Mountains | — |
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| Pinus contorta var. latifolia Engelm. | F. Tweedy 2670 | Jul 1899 | United States of America | Wyoming | Sheridan Co. Big Horn Mountains | — | ||||
| Cuscuta gracilis Rydb. | F. Tweedy 3492 | 15 Jun-15 Jul 1900 | United States of America | Wyoming | Rolling plains between Sheridan and… | type |
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| Carduus griseus Rydb. | F. Tweedy 321 | Aug 1894 | United States of America | Colorado | Telluride | isotype |
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| Hymenoxys acaulis var. glabra (A.Gray) K.L.Parker | F. Tweedy s.n. | Jun 1889 | United States of America | Montana | Livingston | — |
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| Geranium nervosum Rydb. | F. Tweedy 494 | Jul 1897 | United States of America | Wyoming | Fish Creek, Teton Forest Reserve | lectotype |
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| Silene acaulis (L.) Jacq. | F. Tweedy 141 | August 1897 | United States of America | Wyoming | Sheep Mountains, Teton Forest Reserve,… | — |
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| Astragalus barrii Barneby | F. Tweedy 3156 | Sep 1900 | United States of America | Wyoming | Johnson Co. | — |
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| Abronia arenaria Menzies ex Hook. | F. Tweedy 442 | Aug 1885 | United States of America | Wyoming | Yellowstone Park; mouth of Pelican… | holotype |
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| Erigeron tweedyana Canby & Rose | F. Tweedy s.n. | Jun 1887 | United States of America | Montana | Park Co. | type |
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| Erigeron tweedyana Canby & Rose | F. Tweedy s.n. | Jun 1889 | United States of America | Montana | Park Co. | isotype |
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| Anemone multifida Poir. var. multifida | F. Tweedy 176 | July 1897 | United States of America | Wyoming | Spread Creek, Teton Forest Reserve,… | — |
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| Minuartia obtusiloba (Rydb.) House | F. Tweedy 133 | August 1897 | United States of America | Wyoming | Sheep Mountains, Teton Forest Reserve,… | — |
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| Minuartia obtusiloba (Rydb.) House | F. Tweedy 135 | August 1897 | United States of America | Wyoming | Gros Ventre River, Teton Forest… | — |
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| Minuartia obtusiloba (Rydb.) House | F. Tweedy 136 | August 1897 | United States of America | Wyoming | Two-Gwo-Tee Pass, Teton Forest Reserve,… | — |
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| Minuartia obtusiloba (Rydb.) House | F. Tweedy 134 | August 1897 | United States of America | Wyoming | Buffalo Fork, Teton Forest Reserve,… | — |
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| Astragalus reventus A.Gray | F. Tweedy s.n. | 1889 | United States of America | Montana | Beaverhead Co. | — |
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| Astragalus australis var. glabriusculus (Hook.) Isely | F. Tweedy 628 | Aug 1897 | United States of America | Wyoming | Mt. Leidy | — |
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| Taxus canadensis Marshall | F. Tweedy s.n. | Aug 1879 | United States of America | New York | Hamilton Co. | — |
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| Polygala tweedyi Britton | F. Tweedy s.n. | 1879 | United States of America | Texas | Tom Green Co. | holotype |
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| Carduus pulcherrimus Rydb. | F. Tweedy 3048 | 20 Jul 1900-15 Aug 1900 | United States of America | Wyoming | Eastern slope of the Big… | holotype |
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| Urtica dioica subsp. gracilis (Aiton) Selander | F. Tweedy 347 | Jul 1897 | United States of America | Wyoming | Fish Creek, Teton Forest Reserve | — |
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| Erigeron spathulifolius Rydb. | F. Tweedy 543 | Aug 1897 | United States of America | Wyoming | Teton Forest Reserve: Black Rock… | holotype |
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| Minuartia nuttallii (Pax) Briq. var. nuttallii | F. Tweedy 132 | August 1897 | United States of America | Wyoming | Black Rock Creek | — |
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| Arenaria nuttallii Pax | F. Tweedy 160 | July 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | — |
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| Erigeron parryi Canby & Rose | F. Tweedy 15 | Jul 1888 | United States of America | Montana | Beaverhead Co. Grasshopper Creek | isolectotype |
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| Erigeron parryi Canby & Rose | F. Tweedy 15 | Jul 1888 | United States of America | Montana | Beaverhead Co. Grasshopper Creek | isolectotype |
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| Astragalus tegetarius var. implexus Canby | F. Tweedy 83 | Aug 1884 | United States of America | Wyoming | Alpine summits, Yellowstone National Park.… | — |
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| Silene oregana S.Watson | F. Tweedy 143 | August 1897 | United States of America | Wyoming | Gros Ventre Creek, Teton Forest… | — |
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| Populus trichocarpa Torr. & A.Gray | F. Tweedy 3444 | 15 Jun 1900-15 Jul 1900 | United States of America | Wyoming | Between Sheridan and Buffalo | — |
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| Lupinus roseolus Rydb. | F. Tweedy 270 | Aug 1897 | United States of America | Wyoming | Buffalo Fork; Continental Divide; Teton… | holotype |
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| Sophia glandulifera Rydb. | F. Tweedy 3592 | 15 Jun 1900-15 Jul 1900 | United States of America | Wyoming | Rolling plains between Sheridan and… | holotype |
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| Anotites jonesii Greene | F. Tweedy s.n. | August 1883 | United States of America | — | Cascade Mountains, Yakima Region, Washington… | — | ||||
| Chenopodium capitatum var. parvicapitatum S.L.Welsh | F. Tweedy 103 | Jul 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | — |
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| Chenopodium capitatum var. parvicapitatum S.L.Welsh | F. Tweedy 354 | Aug 1897 | United States of America | Wyoming | Mount Leidy, Teton Forest Reserve,… | — |
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| Oligoneuron canescens Rydb. | F. Tweedy 3117 | Sep 1900 | United States of America | Wyoming | Buffalo | holotype |
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| Stellaria longipes Goldie | F. Tweedy 124 | August 1897 | United States of America | Wyoming | Black Rock Creek, Teton Forest… | — |
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| Peucedanum brandegei J.M.Coult. & Rose | F. Tweedy 856 | May 1883 | United States of America | Washington | Walla Walla region; Washington Territory | syntype |
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| Erigeron tweedyi Canby | F. Tweedy 360 | 16 Jul 1887 | United States of America | Montana | Southwestern Montana: Trail Creek | isotype |
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| Arenaria tweedyi Rydb. | F. Tweedy s.n. | 15 Jul 1896 | United States of America | Colorado | La Plata Mountains | type |
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| Ranunculus adoneus A.Gray | F. Tweedy 173 | August 1897 | United States of America | Wyoming | Two-Gwo-Tee Pass, Teton Forest Reserve,… | — |
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| Penstemon hirsutus (L.) Willd. | F. Tweedy s.n. | Jun 1879 | United States of America | New Jersey | Plainfield | — |
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| Juniperus communis L. | F. Tweedy 5041 | Aug 1902 | United States of America | Colorado | Boulder Co. Mountains between Sunshine… | — |
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| Juniperus communis L. | F. Tweedy 3253 | Sep 1900 | United States of America | Wyoming | Johnson Co. Buffalo | — |
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| Juniperus communis L. | F. Tweedy 2669 | Jul 1899 | United States of America | Wyoming | Sheridan Co. Big Horn Mountains | — |
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| Juniperus communis L. | F. Tweedy 3251 | 20 Jul 1900-15 Aug 1900 | United States of America | Wyoming | Park Co. Eastern slope of… | — |
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| Juniperus communis L. | F. Tweedy 491 | Aug 1897 | United States of America | Wyoming | Teton Forest Reserve. Mt. Leidy | — |
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| Juniperus communis L. | F. Tweedy 104 | Jul 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | — |
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| Penstemon aridus Rydb. | F. Tweedy 36 | Jul 1888 | United States of America | Montana | Beaverhead Co. | — |
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| Penstemon aridus Rydb. | F. Tweedy 3413 | 20 Jul 1900-15 Aug 1900 | United States of America | Wyoming | Eastern slope of the Big… | — |
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| Penstemon aridus Rydb. | F. Tweedy 3414 | 20 Jul 1900-15 Aug 1900 | United States of America | Wyoming | Eastern slope of the Big… | — |
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| Polygonum kelloggii var. watsonii (S.Watson) Reveal | F. Tweedy 482 | July 1897 | United States of America | Wyoming | Spread Creek, Teton Forest Reserve,… | — |
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| Ribes lacustre (Pers.) Poir. | F. Tweedy s.n. | Aug 1897 | United States of America | Wyoming | Teton Forest Reserve; Black Rock… | — |
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| Penstemon oreophilus Rydb. | F. Tweedy 5711 | 20 Jun 1903-10 Jul 1903 | United States of America | Colorado | Gilpin Co. Eldora to Baltimore | holotype |
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| Abies lasiocarpa (Hook.) Nutt. | F. Tweedy 2673 | Jul 1899 | United States of America | Wyoming | Sheridan Co. Big Horn Mountains,… | — |
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| Onosmodium bejariense A.DC. var. bejariense | F. Tweedy s.n. | 1879 | United States of America | Texas | Tom Green Co. | — |
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| Poa acuminata Scribn. | F. Tweedy 1027 | Aug 1886 | United States of America | Montana | Gallatin Co. Mt. Blackmore | isotype |
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| Poa curta Rydb. | F. Tweedy 13 | Jul 1897 | United States of America | Wyoming | Spread Creek. | holotype |
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| Moehringia lateriflora (L.) Fenzl | F. Tweedy 130 | August 1897 | United States of America | Wyoming | Gros Ventre River, Teton Forest… | — |
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| Penstemon nitidus Douglas ex Benth. var. nitidus | F. Tweedy 2332 | 01 Jul 1899 | United States of America | Wyoming | Sheridan Co. Big Horn | — |
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| Penstemon nitidus Douglas ex Benth. var. nitidus | F. Tweedy 47 | Jul 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | — |
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| Penstemon nitidus Douglas ex Benth. var. nitidus | F. Tweedy 3417 | 15 Jun 1900-15 Jul 1900 | United States of America | Wyoming | Rolling plains between Sheridan and… | — |
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| Penstemon nitidus Douglas ex Benth. var. nitidus | F. Tweedy 71 | 1888 | United States of America | Montana | Beaverhead Co. | — |
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| Penstemon pruinosus Douglas ex Lindl. | F. Tweedy 796 | Jul 1883 | United States of America | — | Wenatchie region, Washington Territory | — |
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| Pseudotsuga menziesii var. glauca (Beissn.) Franco | F. Tweedy 2672 | Jul 1899 | United States of America | Wyoming | Sheridan Co. Big Horn Mountains | — |
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| Pseudotsuga menziesii var. glauca (Beissn.) Franco | F. Tweedy 2672 | Jul 1899 | United States of America | Wyoming | Sheridan Co. Big Horn Mountains | — | ||||
| Pseudotsuga menziesii var. glauca (Beissn.) Franco | F. Tweedy 5040 | Jul 1902 | United States of America | Colorado | Boulder Co. Plaisn and foothills… | — |
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| Lupinus pulcherrimus Rydb. | F. Tweedy 4215 | 20 Jul 1901 | United States of America | Wyoming | Carbon Co. Battle. Continental Divide | type |
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| Heuchera parvifolia Nutt. ex Torr. & A.Gray | F. Tweedy 108 | Aug 1897 | United States of America | Wyoming | Black Rock Creek | — |
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| Juniperus horizontalis Moench | F. Tweedy 105 | Jul 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | — |
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| Juniperus horizontalis Moench | F. Tweedy 3204 | Sep 1900 | United States of America | Wyoming | Johnson Co. Buffalo | — |
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| Juniperus horizontalis Moench | F. Tweedy 3200 | 20 Jul 1900-15 Aug 1900 | United States of America | Wyoming | Eastern slope of the Big… | — |
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