Displaying 51 - 125 out of 321 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Astragalus racemosus Pursh var. racemosus | F. V. Hayden s.n. | 28 Jun 1853 | United States of America | Nebraska | Sage Creek near Bad Lands | — |
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| Astragalus spatulatus E.Sheld. | F. V. Hayden s.n. | May 1871 | United States of America | Wyoming | Laramie Co. Cheyenne, Wyoming Territory | — |
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| Achnatherum hymenoides (Roem. & Schult.) Barkworth | F. V. Hayden s.n. | May 1855 | United States of America | Nebraska | On Sage Creek, Bad lands. | — |
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| Achnatherum hymenoides (Roem. & Schult.) Barkworth | F. V. Hayden 19 | 07 Jul 1860 | United States of America | — | To the Head Waters of… | — |
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| Alopecurus magellanicus Lam. | F. V. Hayden s.n. | 20 Jun 1860 | — | — | Henry's Fork of Snake River. | — |
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| Andropogon gerardii Vitman | F. V. Hayden 3 | 07 Jul 1853 | United States of America | Nebraska | Fort Berthold | — |
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| Bouteloua curtipendula (Michx.) Torr. | F. V. Hayden s.n. | s.d. | United States of America | Nebraska | Bad Lands. | — |
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| Bouteloua gracilis (Kunth) Lag. ex Griffiths | F. V. Hayden s.n. | 01 Jul 1859 | United States of America | — | Head of Little Missouri near… | — |
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| Bouteloua gracilis (Kunth) Lag. ex Griffiths | F. V. Hayden s.n. | Jul 1859 | United States of America | — | North Fork of Cheyenne River. | — |
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| Bouteloua hirsuta Lag. | F. V. Hayden 47 | 20 Jul 1934 | United States of America | Nebraska | Loup Fork | — |
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| Calamagrostis canadensis (Michx.) P.Beauv. | F. V. Hayden s.n. | Jul 1855 | United States of America | — | Yellowstone. | — |
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| Galium boreale L. | F. V. Hayden s.n. | 1870 | United States of America | Utah | Uinta Mountains, Hayden [?] | — |
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| Oxytropis lagopus Nutt. | F. V. Hayden s.n. | Jun 1871 | United States of America | Idaho | Rocky Mtns. | — |
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| Muhlenbergia mexicana (L.) Trin. | F. V. Hayden 3 | Aug 1859 | United States of America | Nebraska | Head Waters of the Missouri… | — |
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| Muhlenbergia asperifolia (Nees & Meyen) Parodi | F. V. Hayden s.n. | 24 Jul 1871 | United States of America | Wyoming | Hot Sulphur Springs, upper Yellowstone. | — |
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| Muhlenbergia cuspidata (Torr. ex Hook.) Rydb. | F. V. Hayden 3 | 1855 | United States of America | Wyoming | Yellowstone country | — |
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| Muhlenbergia cuspidata (Torr. ex Hook.) Rydb. | F. V. Hayden s.n. | Aug 1855 | United States of America | Wyoming | Yellowstone country | — |
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| Muhlenbergia frondosa (Poir.) Fernald | F. V. Hayden s.n. | Sep 1860 | United States of America | — | The Head Waters of the… | — |
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| Muhlenbergia pungens Thurb. | F. V. Hayden 3 | 06 Aug 1855 | United States of America | Nebraska | Loup Fork of Platte River | — |
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| Muhlenbergia racemosa (Michx.) Britton, Sterns & Poggenb. | F. V. Hayden s.n. | 1855 | United States of America | Nebraska | Ft. Union. | — |
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| Muhlenbergia torreyi (Kunth) Hitchc. ex Bush | F. V. Hayden 5 | 27 Aug 1871 | United States of America | — | Upper Falls of the Yellowstone. | — |
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| Nassella viridula (Trin.) Barkworth | F. V. Hayden s.n. | Jun 1855 | United States of America | Nebraska | Fort Pierre. | — |
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| Phalaris arundinacea L. | F. V. Hayden s.n. | Aug 1859 | United States of America | — | Big Horn Mountains [Wyoming/Montana]. | — |
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| Phalaris arundinacea L. | F. V. Hayden s.n. | 03 Jul 1871 | United States of America | — | Stinking Water Creek, Montana Ter. | — |
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| Phleum alpinum L. | F. V. Hayden s.n. | 11 Jul 1860 | United States of America | — | Smith's Fork. Head Waters of… | — |
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| Phragmites australis (Cav.) Trin. ex Steud. | F. V. Hayden 39 | Aug 1856 | United States of America | — | Milk River of the Missouri. | — |
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| Piptatherum micranthum (Trin. & Rupr.) Barkworth | F. V. Hayden s.n. | Jun 1853 | United States of America | — | Missouri bottoms near the River.… | — |
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| Piptatherum micranthum (Trin. & Rupr.) Barkworth | F. V. Hayden s.n. | s.d. | United States of America | Nebraska | Bad Lands. | — |
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| Piptatherum micranthum (Trin. & Rupr.) Barkworth | F. V. Hayden s.n. | 12 Jun 1853 | United States of America | Nebraska | Duriens Hill. | — |
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| Poa alpina L. | F. V. Hayden 184 | 1873 | United States of America | Colorado | South Park. | — |
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| Poa alsodes A.Gray | F. V. Hayden 7 | Aug 1871 | United States of America | — | Yellowstone Lakes. | — |
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| Poa compressa L. | F. V. Hayden s.n. | Jun 1853 | United States of America | Nebraska | Wooded ravine below Ft. Pierre. | — |
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| Poa compressa L. | F. V. Hayden s.n. | 1851 - 1853 | United States of America | Nebraska | Fort Reine. | — |
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| Poa fendleriana (Steud.) Vasey | F. V. Hayden 114 | 1873 | United States of America | Colorado | Apline. | — |
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| Poa cusickii subsp. epilis (Scribn.) W.A.Weber | F. V. Hayden s.n. | Sep 1870 | United States of America | Utah | Uintah Mtns. | — |
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| Poa fendleriana (Steud.) Vasey | F. V. Hayden s.n. | 17 Jun 1860 | United States of America | — | Jackson's Hole on Snake River. | — |
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| Poa glauca Vahl | F. V. Hayden s.n. | July 1859 | United States of America | — | On [illegible] River. | — |
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| Poa palustris L. | F. V. Hayden s.n. | Jul 1859 | United States of America | — | Cheyenne River. [Wyoming/South Dakota.] | — |
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| Poa reflexa Vasey & Scribn. | F. V. Hayden 602 | 1873 | United States of America | Colorado | Twin Lakes. | — |
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| Poa secunda J.Presl | F. V. Hayden s.n. | 1873 | United States of America | Colorado | Park Co. South Park. | — |
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| Poa secunda J.Presl | F. V. Hayden 286 | 1873 | United States of America | Colorado | South Park. | — |
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| Poa | F. V. Hayden s.n. | July 1859 | — | — | North Fork of. | — |
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| Poa | F. V. Hayden s.n. | 25 Jun 1860 | United States of America | — | To the Head Waters of… | — |
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| Poa | F. V. Hayden s.n. | 14 Jun 1860 | United States of America | Wyoming | Jackson's Hole on Snake River.… | — |
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| Pseudoroegneria spicata (Pursh) Á.Löve | F. V. Hayden s.n. | 07 Jul 1860 | United States of America | — | To the head waters of… | — |
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| Schedonnardus paniculatus (Nutt.) Branner & Coville | F. V. Hayden s.n. | 1853 - 1854 | United States of America | Nevada | Bad Lands. | — |
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| Schedonnardus paniculatus (Nutt.) Branner & Coville | F. V. Hayden s.n. | 1859 - 1860 | United States of America | — | Headwaters of the Missouri &… | — |
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| Spartina pectinata Bosc ex Link | F. V. Hayden s.n. | 07 Jul 1855 | United States of America | Nebraska | Near Fort Berthold. | — |
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| Spartina gracilis Trin. | F. V. Hayden s.n. | Jul 1855 | United States of America | Nebraska | Fort Pierre. | — |
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| Spartina gracilis Trin. | F. V. Hayden s.n. | Jun 1860 | United States of America | — | To the head waters of… | — |
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| Sphenopholis obtusata (Michx.) Scribn. | F. V. Hayden s.n. | 1853 - 1854 | United States of America | Nebraska | Ft. Clark. | — |
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| Sporobolus cryptandrus (Torr.) A.Gray | F. V. Hayden s.n. | Jul 1855 | United States of America | Nebraska | Ft. Pierre. | — |
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| Sporobolus indicus (L.) R.Br. | F. V. Hayden s.n. | s.d. | United States of America | South Carolina | Beaufort Co. | — |
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| Trisetum spicatum (L.) K.Richt. | F. V. Hayden s.n. | 27 Aug 1871 | United States of America | — | Upper Falls of the Yellowstone. | — |
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| Vulpia octoflora var. hirtella (Piper) Henrard | F. V. Hayden s.n. | 1859 - 1860 | United States of America | — | Headwaters of Missouri & Yellowstone… | — |
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| Symphyotrichum ascendens (Lindl.) G.L.Nesom | F. V. Hayden s.n. | Aug 1870 - Sep 1870 | — | — | Rocky Mtns. | — |
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| Eurybia integrifolia (Nutt.) G.L.Nesom | F. V. Hayden | Aug 1871 | United States of America | Wyoming | Teton Co. Yellowstone Lake | — |
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| Artemisia biennis Willd. | F. V. Hayden s.n. | Jun 1853 - 1854 | United States of America | Nebraska | Yellowstone | — |
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| Artemisia cana Pursh | F. V. Hayden s.n. | Jun 1853 - 1854 | United States of America | Nebraska | Yellowstone | — |
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| Artemisia frigida Willd. | F. V. Hayden 11 | Jul 1854 | United States of America | Nebraska | Yellowstone. | — |
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| Artemisia longifolia Nutt. | F. V. Hayden s.n. | Jul 1853 | United States of America | South Dakota | Fort Pierre [Label says "Nebraska"… | — |
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| Artemisia tripartita Rydb. | F. V. Hayden | Oct 1870 | United States of America | Wyoming | Henry's Fork, Wyoming Territory | — |
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| Chaenactis douglasii (Hook.) Hook. & Arn. | F. V. Hayden s.n. | 08 Jul 1871 | United States of America | Montana | Madison Valley, M. T. | — |
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| Chrysothamnus viscidiflorus var. lanceolatus (Nutt.) Greene | F. V. Hayden s.n. | Aug 1868 | United States of America | — | South Park, Col. Ter. [Colorado… | — |
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| Chrysothamnus viscidiflorus (Hook.) Nutt. subsp. viscidiflorus | F. V. Hayden | — | United States of America | Wyoming | Henry's Fork of Green R.… | — |
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| Cirsium canescens Nutt. | F. V. Hayden | 28 Jun 1853 | United States of America | Nebraska | Sage Creek near Mauvaises Terres | — |
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| Cirsium undulatum (Nutt.) Spreng. | F. V. Hayden s.n. | Jun 1854 | United States of America | Nebraska | North of L'Eau qui Court. | — |
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| Crepis acuminata Nutt. | F. V. Hayden s.n. | Jun 1871 | United States of America | Utah | Utah Territory. | — |
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| Erigeron compositus var. discoideus A.Gray | F. V. Hayden s.n. | 1853 - 1854 | United States of America | Montana | Roosevelt Co. Fort Union; near… | — |
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| Erigeron compositus var. glabratus Macoun | F. V. Hayden s.n. | Jun 1871 | United States of America | Idaho | Rocky Mountains | — |
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| Erigeron glabellus Nutt. var. glabellus | F. V. Hayden | Jun 1871 | United States of America | Utah | Weber Co. Ogden | — |
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| Erigeron glabellus Nutt. var. glabellus | F. V. Hayden | Jun 1853 - 1854 | United States of America | — | Prairies between Fort Pierre and… | — |
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| Erigeron peregrinus subsp. callianthemus var. scaposus (Torr. & A.Gray) Cronquist | F. V. Hayden | 1870 | United States of America | Utah | Uinta Mountains | — |
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| Artemisia borealis subsp. richardsoniana (Besser) Korobkov | F. V. Hayden s.n. | 25 Sep 1870 | United States of America | Utah | Uintah Mountains, Wyoming Ter. | — |
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| Carex aristata R.Br. | F. V. Hayden s.n. | — | — | — | [Typed on label]: Probably collected… | — |
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