Displaying 1 - 75 out of 4457 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
|---|---|---|---|---|---|---|---|---|---|
| Abies lasiocarpa (Hook.) Nutt. | F. Tweedy 2673 | Jul 1899 | United States of America | Wyoming | Sheridan Co. Big Horn Mountains,… | — | 29436 |
|
|
| Abronia ammophila Greene | F. Tweedy 442 | Sep 1885 | United States of America | Wyoming | Yellowstone Lake | — | 04199322 |
|
|
| Abronia arenaria Menzies ex Hook. | F. Tweedy 442 | Aug 1885 | United States of America | Wyoming | Yellowstone Park; mouth of Pelican… | holotype | 341986 |
|
|
| Abronia elliptica A.Nelson | F. Tweedy 4615 | 25 May 1901 - 10 Jun 1901 | United States of America | Wyoming | Carbon Co. | — | 3370325 |
|
|
| Abronia fragrans Nutt. ex Hook. | F. Tweedy 4976 | Jul 1902 | United States of America | Colorado | Boulder Co. Near Boulder | — | 3370451 |
|
|
| Abutilon parvulum A.Gray | F. Tweedy s.n. | 1879 | United States of America | Texas | Tom Green Co. | — | 3855360 |
|
|
| Acacia angustissima var. texensis (Torr. & A.Gray) Isely | F. Tweedy s.n. | 1880 | United States of America | Texas | Northern Texas | — | 2716130 |
|
|
| Acacia greggii A.Gray | F. Tweedy s.n. | 1879 | United States of America | Texas | Tom Green Co. | — | 2716547 |
|
|
| Acer glabrum Torr. | F. Tweedy 5551 | 20 Jun 1903 - 10 Jul 1903 | United States of America | Colorado | Gilpin Co. Eldora to Baltimore | — | 2483899 |
|
|
| Acer glabrum Torr. | F. Tweedy 3541 | 15 Jun 1900 - 15 Jul 1900 | United States of America | Wyoming | Rolling plains between Sheridan and… | — | 1002584 |
|
|
| Acer glabrum Torr. | F. Tweedy 3540 | 15 Jun 1900 - 15 Jul 1900 | United States of America | Wyoming | — | 1002585 |
|
||
| Acer glabrum Torr. | F. Tweedy 342 | Aug 1897 | United States of America | Wyoming | Teton Co. Black Rock Creek | — | 1002557 |
|
|
| Acer glabrum var. neomexicanum (Greene) Kearney & Peebles | F. Tweedy 4963 | Aug 1902 | United States of America | Colorado | Boulder Co. Mountains between Sunshine… | — | 2484206 |
|
|
| Acer negundo var. interior (Britton) Sarg. | F. Tweedy s.n. | Jul 1889 | United States of America | Montana | Stillwater Co. | — | 2486807 |
|
|
| Acer negundo var. interior (Britton) Sarg. | F. Tweedy 4964 | Jul 1902 | United States of America | Colorado | Boulder Co. Plains and foothills… | — | 2486830 |
|
|
| Achillea lanulosa var. alpicola Rydb. | F. Tweedy 516 | Aug 1897 | United States of America | Wyoming | Teton Forest Reserve: To-Gwa-Tee Pass | holotype | 149870 |
|
|
| Achillea millefolium L. | F. Tweedy 4937 | August 1902 | United States of America | Colorado | Boulder Co. Mountains between Sunshine… | — | 1825194 |
|
|
| Achillea millefolium L. | F. Tweedy 3135 | Sep 1900 | United States of America | Wyoming | Johnson Co. | — | 1825043 |
|
|
| Achillea millefolium L. | F. Tweedy 4022 | 25 Jul 1901 | United States of America | Wyoming | Carbon Co. Continental Divide | — | 1825143 |
|
|
| Achillea millefolium L. | F. Tweedy 515 | Aug 1897 | United States of America | Montana | Spread Creek | — | 1825144 |
|
|
| Achillea millefolium L. | F. Tweedy 2071 | Jul 1899 | United States of America | Wyoming | Sheridan Co. | — | 1825147 |
|
|
| Achnatherum hymenoides (Roem. & Schult.) Barkworth | F. Tweedy 3683 | June 15th - July 15th, 1900 | United States of America | Wyoming | Rolling plains between Sheridan and… | — | 1553170 |
|
|
| Achnatherum hymenoides (Roem. & Schult.) Barkworth | F. Tweedy 78 | Jul 1897 | United States of America | Wyoming | Teton Co. Spread Creek. N.… | — | 1553578 |
|
|
| Achnatherum hymenoides (Roem. & Schult.) Barkworth | F. Tweedy s.n. | Jul 1887 | United States of America | Montana | Gallatin Co. | — | 1553593 |
|
|
| Achnatherum lemmonii (Vasey) Barkworth | F. Tweedy | Jul 1902 | United States of America | Colorado | Boulder Co. Plains and Foothills… | — | 1486861 |
|
|
| Achnatherum lemmonii (Vasey) Barkworth | F. Tweedy 73 | Aug 1897 | United States of America | Wyoming | Black Rock Creek. | — | 1487104 |
|
|
| Achnatherum lemmonii (Vasey) Barkworth | F. Tweedy 2155 | Jul 1899 | United States of America | Wyoming | Sheridan Co. Big Horn Mountains | — | 1487114 |
|
|
| Achnatherum lemmonii (Vasey) Barkworth | F. Tweedy 3717 | July 20th - August 15th, 1900 | United States of America | Wyoming | Eastern slope of the Big… | — | 1487115 |
|
|
| Achnatherum lemmonii (Vasey) Barkworth | F. Tweedy 3717 | July 20th - August 15th, 1900 | United States of America | Wyoming | Eastern slope of the Big… | — | 1487116 |
|
|
| Achnatherum lemmonii (Vasey) Barkworth | F. Tweedy 3714 | July 20th - August 15th, 1900 | United States of America | Wyoming | Eastern slope of the Big… | — | 1487119 |
|
|
| Achnatherum lemmonii (Vasey) Barkworth | F. Tweedy 71 | Aug 1897 | United States of America | Wyoming | N. W.. Two-Gwo-Tee Pass. | — | 1487144 |
|
|
| Achnatherum richardsonii (Link) Barkworth | F. Tweedy 1014 | Aug 1886 | United States of America | Montana | Gallston, Mountain Meadows. | — | 1553788 |
|
|
| Achnatherum richardsonii (Link) Barkworth | F. Tweedy 611 | Jul 1885 | United States of America | Wyoming | Along Joda Butte Creek. Yellowstone… | — | 1553789 |
|
|
| Achnatherum richardsonii (Link) Barkworth | F. Tweedy 1014 | Aug 1886 | United States of America | — | Gallatin, Mountain meadows. | — | 1553816 |
|
|
| Achnatherum richardsonii (Link) Barkworth | F. Tweedy 3713 | July 20-August 15, 1900 | United States of America | Wyoming | Eastern slope of the Big… | — | 1553844 |
|
|
| Achnatherum richardsonii (Link) Barkworth | F. Tweedy 2153 | Jul 1899 | United States of America | Wyoming | Sheridan Co. Big Horn Mountains | — | 1553845 |
|
|
| Achnatherum richardsonii (Link) Barkworth | F. Tweedy 68 | Aug 1897 | United States of America | Wyoming | Cement Creek. N. W. Wyoming. | — | 1553846 |
|
|
| Achnatherum scribneri (Vasey) Barkworth | F. Tweedy 4811 | Jul 1902 | United States of America | Colorado | Boulder Co. Plains and Foothills… | — | 1553926 |
|
|
| Aconitum columbianum Nutt. subsp. columbianum | F. Tweedy 177 | August 1897 | United States of America | Wyoming | Spread Creek, Teton Forest Reserve,… | — | 483195 |
|
|
| Aconitum columbianum Nutt. var. columbianum | F. Tweedy 4241 | 25 Jul 1901 | United States of America | Wyoming | Carbon Co. | — | 2726978 |
|
|
| Aconitum columbianum Nutt. var. columbianum | F. Tweedy 3397 | 20 Jul 1900 - 15 Aug 1900 | United States of America | Wyoming | Eastern slope of the Big… | — | 2727035 |
|
|
| Aconitum columbianum Nutt. var. columbianum | F. Tweedy 5695 | 20 Jun 1903 - 10 Jul 1903 | United States of America | Colorado | Gilpin Co. Eldora to Baltimore | — | 2727048 |
|
|
| Aconitum columbianum Nutt. var. columbianum | F. Tweedy 5693 | 20 Jun 1903 - 10 Jul 1903 | United States of America | Colorado | Gilpin Co. Eldora to Baltimore | — | 2727089 |
|
|
| Aconitum columbianum Nutt. var. columbianum | F. Tweedy 4242 | 03 Jul 1901 | United States of America | Colorado | Jefferson Co. | — | 2727107 |
|
|
| Aconitum columbianum Nutt. var. columbianum | F. Tweedy 5694 | 15 Jul 1903 - 25 Jul 1903 | United States of America | Colorado | Clear Creek Co. | — | 2727124 |
|
|
| Aconogonon davisiae (W.H.Brewer ex A.Gray) Soják | F. Tweedy s.n. | Jul 1883 | United States of America | Washington | Yakima Region | — | 3062917 |
|
|
| Acrolasia latifolia Rydb. | F. Tweedy 5149 | Aug 1902 | United States of America | Colorado | Mountains between Sunshine and Ward. | holotype | 112175 |
|
|
| Actaea rubra (Aiton) Willd. | F. Tweedy | 28 Jun 1899 | United States of America | Wyoming | Sheridan Co. Big Horn Mountains. | — | 2728158 |
|
|
| Actaea rubra (Aiton) Willd. | F. Tweedy 2397 | 28 Aug 1899 | United States of America | Wyoming | Sheridan Co. Big Horn Mountains | — | 2728159 |
|
|
| Actaea rubra f. neglecta (Gillman) B.L.Rob. | F. Tweedy 180 | July 1897 | United States of America | Wyoming | Fish Creek, Teton Forest Reserve,… | — | 483246 |
|
|
| Adelinia howardi | F. Tweedy 130 | 1882 | United States of America | Washington | Cascade Mts, Washington Terr. | — | 03211563 |
|
|
| Adenostegia ciliosa Rydb. | F. Tweedy 245 | Jul 1897 | United States of America | Wyoming | Spread Creek. Dry Mesas. | holotype | 67770 |
|
|
| Adiantum capillus-veneris L. | F. Tweedy s.n. | May 1880 | United States of America | Texas | Tom Green Co. Dove Creek | — | 3482965 |
|
|
| Adiantum capillus-veneris L. | F. Tweedy s.n. | May 1880 | United States of America | Texas | Tom Green Co. Dove Creek | — | 3482971 |
|
|
| Agastache urticifolia (Benth.) Kuntze var. urticifolia | F. Tweedy 4577 | 01 Jul 1901 | United States of America | Colorado | Routt Co. | — | 2904789 |
|
|
| Agastache urticifolia (Benth.) Kuntze var. urticifolia | F. Tweedy 488 | Aug 1897 | United States of America | Wyoming | Teton Forest Reserve. N.W. Wyoming.… | — | 2904768 |
|
|
| Agoseris | F. Tweedy s.n. | 01 Aug 1883 | United States of America | Washington | Mount Paddo (Adams) | — | 1877308 |
|
|
| Agoseris aurantiaca (Hook.) Greene var. aurantiaca | F. Tweedy 300 | Aug 1887 | United States of America | Washington | Skagit Co. Mount Paddo (Adams) | — | 1867232 |
|
|
| Agoseris aurantiaca (Hook.) Greene var. aurantiaca | F. Tweedy 3072 | July 20th-August 15th, 1900 | United States of America | Wyoming | Eastern slope of the Big… | — | 1867264 |
|
|
| Agoseris aurantiaca (Hook.) Greene var. aurantiaca | F. Tweedy 5842 | Jun 1907 | United States of America | Colorado | Boulder Co. Plains and Foothills… | — | 1867281 |
|
|
| Agoseris aurantiaca (Hook.) Greene var. aurantiaca | F. Tweedy 2054 | Jul 1899 | United States of America | Wyoming | Sheridan Co. Big Horn Mtns. | — | 1867535 |
|
|
| Agoseris aurantiaca (Hook.) Greene var. aurantiaca | F. Tweedy 4074 | 15 Jun 1901 | United States of America | Wyoming | Carbon Co. Encampment. | — | 1877273 |
|
|
| Agoseris aurantiaca (Hook.) Greene var. aurantiaca | F. Tweedy 4073 | [1901-06-15] | United States of America | Wyoming | Carbon Co. Encampment. | — | 1877274 |
|
|
| Agoseris aurantiaca var. purpurea (A.Gray) Cronquist | F. Tweedy 4895 | August, 1902 | United States of America | Colorado | Boulder Co. Mountains between Sunshine… | — | 1867553 |
|
|
| Agoseris aurantiaca var. purpurea (A.Gray) Cronquist | F. Tweedy 4067 | 15 Jul 1901 | United States of America | Wyoming | Carbon Co. Continental Divide | — | 1867557 |
|
|
| Agoseris aurantiaca var. purpurea (A.Gray) Cronquist | F. Tweedy 4070 | May 25th-June 10th, 1901 | United States of America | Wyoming | Fort Steele | — | 1867560 |
|
|
| Agoseris aurantiaca var. purpurea (A.Gray) Cronquist | F. Tweedy 4068 | 12 Jul 1901 | United States of America | Wyoming | Carbon Co. Battle. Continental Divide. | — | 1867608 |
|
|
| Agoseris aurantiaca var. purpurea (A.Gray) Cronquist | F. Tweedy 4065 | 20 Jul 1901 | United States of America | Wyoming | Carbon Co. Continental Divide | — | 1867609 |
|
|
| Agoseris glauca (Pursh) Raf. var. glauca | F. Tweedy 579 | 01 Aug 1897 | United States of America | Wyoming | Spread Creek. | — | 1876293 |
|
|
| Agoseris glauca (Pursh) Raf. var. glauca | F. Tweedy 3071A | July 20th- August 15th, 1900 | United States of America | Wyoming | Eastern slope of Big Horn… | — | 1876307 |
|
|
| Agoseris glauca (Pursh) Raf. var. glauca | F. Tweedy 3071 | July 20th- August 15th, 1900 | United States of America | Wyoming | Eastern slope of Big Horn… | — | 1876308 |
|
|
| Agoseris glauca (Pursh) Raf. var. glauca | F. Tweedy 580 | 1897 | United States of America | Wyoming | Teton Forest Reserve; Cement Creek | — | 1876443 |
|
|
| Agoseris glauca (Pursh) Raf. var. glauca | F. Tweedy 580 | Aug 1897 | United States of America | Wyoming | Cement Creek | — | 1876444 |
|
|
| Agoseris glauca (Pursh) Raf. var. glauca | F. Tweedy 5836 | June, 03 | United States of America | Colorado | Boulder Co. Plains and Foothills… | — | 1876476 |
|
|
| Agoseris glauca var. dasycephala (Torr. & A.Gray) Jeps. | F. Tweedy 3069 | July 20 and August 15, 1900 | United States of America | Wyoming | Eastern slope of the Big… | — | 1876053 |
|