Displaying 1 - 75 out of 4458 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Carex hoodii Boott | F. Tweedy ?03 | Aug 1897 | United States of America | Wyoming | Teton Forest Reserve. Buffalo Fork. | — |
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| Carex sprengelii Dewey ex Spreng. | F. Tweedy ?61 | Aug. 1885 | — | — | — |
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| Senecio eremophilus var. eremophilus | F. Tweedy [?]32 | Sep 1900 | United States of America | Wyoming | Buffalo. | — |
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| Xanthium strumarium var. canadense (Mill.) Torr. & A.Gray | F. Tweedy [?]33 | Sep 1900 | United States of America | Wyoming | Buffalo. | — |
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| Poa cusickii subsp. pallida Soreng | F. Tweedy 1 | Aug 1897 | United States of America | Wyoming | N. W. Wyoming. Teton Forest… | — |
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| Erigeron ursinus D.C. Eaton | F. Tweedy 1 | Jul 1898 | United States of America | Wyoming | Big Horn Mountains; headwaters of… | — |
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| Erigeron ochroleucus Nutt. var. ochroleucus | F. Tweedy 2 | Jul 1898 | United States of America | Wyoming | Big Horn Mountains; headwaters of… | — |
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| Betula occidentalis Hook. | F. Tweedy 02 | Aug 1884 | United States of America | — | Yellowstone river in Yellowstone Park. | — |
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| Leucopoa kingii (S.Watson) W.A.Weber | F. Tweedy 2 | Aug 1897 | United States of America | Wyoming | Buffalo Fork, Teton Forest Reserve | — |
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| Angelica pinnata S.Watson | F. Tweedy 3 | Aug 1884 | United States of America | Wyoming | Yellowstone Park. | — |
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| Poa cusickii subsp. epilis (Scribn.) W.A.Weber | F. Tweedy 3 | Aug 1897 | United States of America | Wyoming | Teton Forest Reserve. Buffalo Fork. | — |
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| Erigeron ochroleucus var. scribneri (Canby ex Rydb.) Cronquist | F. Tweedy 3 | Jul 1898 | United States of America | Wyoming | Big Horn Mountains, headwaters of… | — |
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| Lupinus pusillus Pursh var. pusillus | F. Tweedy 3 | July 1889 | United States of America | Montana | Sandy bushes, Stillwater. | — |
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| Lomatium cous (S.Watson) J.M.Coult. & Rose | F. Tweedy 3 | Jun 1888 | United States of America | Montana | Madison Co. | — |
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| Lupinus pusillus var. pusillus | F. Tweedy 3 | July 1889 | United States of America | Montana | Sandy b[enches]. Stillwater. | — |
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| Artemisia ludoviciana Nutt. subsp. ludoviciana | F. Tweedy 3[?]55 | Sep 1900 | United States of America | Wyoming | Johnson Co. | — |
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| Erigeron ochroleucus var. scribneri (Canby ex Rydb.) Cronquist | F. Tweedy 4 | Jul 1898 | United States of America | Wyoming | Big Horn Mountains, headwaters of… | — |
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| Perideridia borealis | F. Tweedy 4 | Aug 1884 | United States of America | — | Yellowstone Park | — |
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| Poa secunda J.Presl | F. Tweedy 5 | Aug 1897 | United States of America | Wyoming | Black Rock Creek. Teton Forest… | — |
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| Ligusticum filicinum S.Watson | F. Tweedy 5 | Aug 1884 | United States of America | Wyoming | Yellowstone Park | — |
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| Phellinus igniarius (L.:Fr.) Quél. | F. Tweedy 5 | 1885 | United States of America | Montana | Yellowstone Park. | — |
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| Hymenoxys torreyana (Nutt.) K.F.Parker | F. Tweedy 5 | Jul 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | — |
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| Astragalus canadensis var. brevidens (Gand.) Barneby | F. Tweedy 6 | Jul 1888 | United States of America | Montana | Beaverhead Co. | — |
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| Poa secunda J.Presl | F. Tweedy 6 | Aug 1897 | United States of America | Wyoming | Black Rock Creek. | — |
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| Sceptridium multifidum (S.G.Gmel.) M.Nishida | F. Tweedy 6 | Aug 1884 | United States of America | — | On the Hot Spring formation,… | — |
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| Physalis longifolia Nutt. var. longifolia | F. Tweedy 6 | Jul 1889 | United States of America | Montana | Stillwater | — |
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| Sidera vulgaris (Fr.) Miettinen | F. Tweedy 6 | 1885 | United States of America | Montana | Yellowstone Park. | — |
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| Hymenoxys torreyana (Nutt.) K.F.Parker | F. Tweedy 6 | Jul 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | — |
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| Astragalus reventoides M.E.Jones | F. Tweedy 7 | Jul 1888 | United States of America | Montana | Beaverhead Co. Grasshopper Creek. | isotype |
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| Poa reflexa Vasey & Scribn. | F. Tweedy 7 | Aug 1897 | United States of America | Wyoming | Black Rock Creek | — |
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| Cryptogramma acrostichoides R.Br. | F. Tweedy 7 | Aug 1884 | United States of America | — | Yellowstone Park | — |
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| Hymenoxys grandiflora (Torr. & A.Gray) K.L.Parker | F. Tweedy 7 | Jul 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | — |
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| Astragalus kelseyi Rydb. | F. Tweedy 8 | Jul 1888 | United States of America | Montana | Beaverhead Co. | — |
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| Poa nervosa (Hook.) Vasey | F. Tweedy 8 | Aug. 1897 | United States of America | Wyoming | Teton Forest Reserve. NW Wyoming.… | — |
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| Senecio triangularis Hook. | F. Tweedy 8 | Jul 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | — |
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| Astragalus arrectus var. scaphoides M.E.Jones | F. Tweedy 9 | Jul 1888 | United States of America | Montana | Beaverhead Co. On hills W… | isotype |
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| Astragalus arrectus var. scaphoides M.E.Jones | F. Tweedy 9 | Jul 1888 | United States of America | Montana | Beaverhead Co. On hills W… | isotype |
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| Elymus canadensis L. | F. Tweedy 9 | 1882 | United States of America | — | Washington Territory | — |
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| Poa leptocoma Trin. | F. Tweedy 9 | Aug 1897 | United States of America | Wyoming | Buffalo Fork | — |
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| Poa leptocoma Trin. | F. Tweedy 9 | Aug 1897 | United States of America | Wyoming | Buffalo Fork | — |
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| Senecio integerrimus var. exaltatus (Nutt.) Cronquist | F. Tweedy 9 | Jul 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | — |
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| Fritillaria pudica (Pursh) Spreng. | F. Tweedy 9.9 | May 1888 | United States of America | Montana | Madison Co. | — |
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| Balsamorhiza tomentosa Rydb. | F. Tweedy 10 | Jul 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | holotype |
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| Dasyscyphus arida (W.Phillips) Sacc. | F. Tweedy 11 | — | United States of America | Montana | East Fork, Yellowstone Park. | — |
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| Dasyscyphus fuscosanguineus Rehm | F. Tweedy 11 | — | United States of America | Montana | East Fork, Yellowstone Park. | — |
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| Astragalus microcystis A.Gray | F. Tweedy 11 | Sep 1888 | United States of America | Montana | Silver Bow Co. Lowland Creek | — |
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| Astragalus microcystis A.Gray | F. Tweedy 11 | Sep 1888 | United States of America | Montana | Silver Bow Co. Lowland Creek | — |
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| Poa leptocoma Trin. | F. Tweedy 11 | Aug 1897 | United States of America | Wyoming | Gros Bentre River | — |
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| Balsamorhiza incana Nutt. | F. Tweedy 11 | Jul 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | — |
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| Astragalus purshii var. concinnus Barneby | F. Tweedy 12 | Jul 1888 | United States of America | Montana | Beaverhead Co. Southwestern Montana | — |
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| Poa nervosa (Hook.) Vasey | F. Tweedy 12 | Aug. 1897 | United States of America | Wyoming | Teton Forest Reserve. NW Wyoming.… | — |
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| Arnica fulgens Pursh | F. Tweedy 12 | July, 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | — |
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| Calyptridium umbellatum (Torr.) Greene | F. Tweedy 12 | Aug 1884 | United States of America | Wyoming | Yellowstone Lake | — |
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| Calyptridium umbellatum (Torr.) Greene | F. Tweedy 12 | 1884 | United States of America | Wyoming | Yellowstone Park | — | ||||
| Poa curta Rydb. | F. Tweedy 13 | Jul 1897 | United States of America | Wyoming | Spread Creek. | holotype |
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| Astragalus lotiflorus Hook. | F. Tweedy 13 | Jul 1888 | United States of America | Montana | Beaverhead Co. | — |
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| Arnica latifolia Bong. | F. Tweedy 13 | July, 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | — |
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| Oxyporus obducens (Pers.) Donk | F. Tweedy 13 | 1885 | United States of America | Montana | Yellowstone Park | — |
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| Lewisia pygmaea (A.Gray) B.L.Rob. | F. Tweedy 13 | 1884 | United States of America | Wyoming | Yellowstone Park | — |
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| Poa interior Rydb. | F. Tweedy 14 | July 1897 | United States of America | Wyoming | Teton Forest Reserve. Spread Creek. | — |
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| Ionactis stenomeres (A.Gray) Greene | F. Tweedy 14 | Jul 1888 | United States of America | Montana | Beaverhead Co. Rattlesnake Creek | — |
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| Arnica cordifolia Hook. | F. Tweedy 14 | July, 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | — |
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| Ionactis stenomeres (A.Gray) Greene | F. Tweedy 14 | Jul 1888 | United States of America | Montana | Beaverhead Co. | — |
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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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| Poa interior Rydb. | F. Tweedy 15 | Aug. 1897 | United States of America | Wyoming | Teton Forest Reserve. Buffalo Fork. | — |
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| Carex rostrata Stokes | F. Tweedy 15 | — | United States of America | Oregon | Cascade Mts. | — |
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| Solidago multiradiata Aiton | F. Tweedy 15 | Jul 1898 | United States of America | Wyoming | Headwaters of Tongue River, Big… | — |
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| Poa pratensis L. | F. Tweedy 16 | Aug 1897 | United States of America | Wyoming | Two-Gwo-Tee-Pass. | — |
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| Antennaria anaphaloides Rydb. | F. Tweedy 16 | July, 1898 | United States of America | Wyoming | Sheridan Co. Headwaters of Tongue… | — |
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| Erigeron glabellus Nutt. var. glabellus | F. Tweedy 16 | Jun 1888 | United States of America | Montana | Beaverhead Co. moist meadows | — |
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| Sedum rhodanthum A.Gray | F. Tweedy 16 | Aug 1884 | United States of America | Wyoming | Yellowstone Park | — |
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| Erigeron tweedyi Canby | F. Tweedy 17 | Jun 1888 | United States of America | Montana | Madison Co. Beaver Head Rock;… | — |
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| Townsendia parryi D.C. Eaton | F. Tweedy 17 | Jul 1898 | United States of America | Wyoming | Big Horn Mountains, Western Wyoming.… | — |
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| Eriogonum flavum var. piperi (Greene) M.E.Jones | F. Tweedy 17 | Aug 1884 | United States of America | Wyoming | Upper Geyser Basin. Yellowstone Park | — |
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