Displaying 76 - 125 out of 919 Object(s)

Taxon Collector Date Country State/Province Locality Type Status Barcode
Potentilla pentandra Engelm. ex Torr. & A.Gray T. A. Williams 448 05 Jul 1890 United States of America Nebraska Cass Co. — 2842325 Potentilla pentandra Engelm. ex Torr. & A.Gray
Dichanthelium oligosanthes (Schult.) Gould T. A. Williams 408 15 Jun 1891 United States of America Nebraska Kearney Co. — 1714724 Dichanthelium oligosanthes (Schult.) Gould
Nassella viridula (Trin.) Barkworth T. A. Williams 425 26 Jun 1891 United States of America Nebraska Deuel Co. McColligan Canon — 1758392 Nassella viridula (Trin.) Barkworth
Woodsia oregana D.C. Eaton T. A. Williams s.n. 31 Aug 1891 United States of America South Dakota Pennington Co. — 3810823 Woodsia oregana D.C. Eaton
Dichanthelium oligosanthes (Schult.) Gould T. A. Williams 1279 14 Jun 1893 United States of America Nebraska Thomas Co. on Middle Loup… — 1714757 Dichanthelium oligosanthes (Schult.) Gould
Gaura coccinea Pursh T. A. Williams 1343 17 Jun 1893 United States of America Nebraska Thomas Co. on Middle Loup… — 3318048 Gaura coccinea Pursh
Parietaria pensylvanica Muhl. ex Willd. T. A. Williams 1473 12 Jul 1893 United States of America Nebraska Hooker Co. Forks of Dismal… — 3828906 Parietaria pensylvanica Muhl. ex Willd.
Ranunculus sceleratus var. multifidus Nutt. T. A. Williams 1333 18 Jul 1893 United States of America Nebraska Hooker Co. On Middle Loup… — 2791563 Ranunculus sceleratus var. multifidus Nutt.
Lotus purshianus Clem. & E.G.Clem. T. A. Williams 1592 24 Jul 1893 United States of America Nebraska Hooker Co. on Middle Loup… — 2584673 Lotus purshianus Clem. & E.G.Clem.
Mirabilis albida (Walter) Heimerl T. A. Williams 1509 27 Jul 1893 United States of America Nebraska Hooker Co. Forks of Middle… — 3375704 Mirabilis albida (Walter) Heimerl
Euthamia gymnospermoides Greene T. A. Williams 1738 08 Sep 1893 United States of America Nebraska Thomas Co. on Middle Loup… — 2871123 Euthamia gymnospermoides Greene
Pyrrhospora varians (Ach.) R.C.Harris T. A. Williams s.n. 29 Nov 1895 United States of America Nebraska Weeping Water — 04106688
Penstemon auriberbis Pennell T. A. Williams s.n. 04 Jun 1900 United States of America Colorado Near Bareta — 570974 Penstemon auriberbis Pennell
Elaeagnus angustifolia L. T. A. Williams s.n. Jun 1896 United States of America South Dakota Minnehaha Co. Sioux Falls — 786005 Elaeagnus angustifolia L.
Leptobryum pyriforme (Hedw.) Wilson T. A. Williams December 1891 United States of America Missouri Saint Louis Co. Greenhouse — 377777
Penstemon glaber Pursh var. glaber T. A. Williams s.n. 23 Jun 1890 United States of America Nebraska Sioux Co. War Bonnet Canyon — 595803 Penstemon glaber Pursh var. glaber
Bartramia pomiformis Hedw. T. A. Williams 16 Apr 1896 United States of America Maryland Prince George's Co. Sligo Creek — 430034
Astragalus americanus f. williamsii J.Rousseau T. A. Williams s.n. 26 Jul 1897 United States of America Wyoming Welcome holotype 5304 Astragalus americanus f. williamsii J.Rousseau
Astragalus alpinus L. var. alpinus T. A. Williams s.n. 26 Jul 1897 United States of America Wyoming Welcome — 790916 Astragalus alpinus L. var. alpinus
Polygonum douglasii Greene T. A. Williams s.n. 26 Jul 1897 United States of America Wyoming Welcome — 412491 Polygonum douglasii Greene
Juniperus communis L. T. A. Williams s.n. 23 Jun 1890 United States of America Nebraska War Bonnet Canyon — 21972 Juniperus communis L.
Mentzelia albicaulis (Douglas ex Hook.) Torr. & A.Gray T. A. Williams s.n. 10 Jul 1897-12 Jul 1897 United States of America Wyoming Uinta Co. — 22886 Mentzelia albicaulis (Douglas ex Hook.) Torr. & A.Gray
Eriogonum heracleoides Nutt. var. heracleoides T. A. Williams s.n. 11 Jul 1891 United States of America Wyoming Uinta Co. — 283551 Eriogonum heracleoides Nutt. var. heracleoides
Eriogonum umbellatum var. dichrocephalum Gand. T. A. Williams s.n. 11 Jul 1891 United States of America Wyoming Uinta Co. — 283552 Eriogonum umbellatum var. dichrocephalum Gand.
Penstemon cyananthus var. subglaber (A.Gray) N.H.Holmgren T. A. Williams s.n. 11 Jul 1891 United States of America Wyoming Uinta Co. — 589704 Penstemon cyananthus var. subglaber (A.Gray) N.H.Holmgren
Atriplex gardneri (Moq.) D.Dietr. var. gardneri T. A. Williams s.n. 08 Jul 1897 United States of America Wyoming Green River — 527829 Atriplex gardneri (Moq.) D.Dietr. var. gardneri
Neokochia americana (S.Watson) G.L.Chu & S.C.Sand. T. A. Williams s.n. 08 Jul 1897 United States of America Wyoming Green River — 539737 Neokochia americana (S.Watson) G.L.Chu & S.C.Sand.
Elymus simplex Scribn. & T.A.Williams T. A. Williams 2332 1897 United States of America Wyoming Green River isotype 380735 Elymus simplex Scribn. & T.A.Williams
Elymus simplex var. luxurians Scribn. & T.A.Williams T. A. Williams 2338 1897 United States of America Wyoming Green River isotype 380736 Elymus simplex var. luxurians Scribn. & T.A.Williams
Physalis rotundata Rydb. T. A. Williams s.n. 19 Aug 1831 United States of America South Dakota Spring Creek type 138852 Physalis rotundata Rydb.
Penstemon secundiflorus Benth. ex A.DC. T. A. Williams s.n. 23 Jul 1897 United States of America Wyoming Little Laramie River, Sheep Mountains — 651685 Penstemon secundiflorus Benth. ex A.DC.
Juniperus scopulorum Sarg. T. A. Williams s.n. 13 Aug 1897 United States of America Wyoming Crook Co. Devil's Tower, Little… — 18101 Juniperus scopulorum Sarg.
Penstemon gracilis Nutt. subsp. gracilis T. A. Williams 177 s.d. United States of America South Dakota Corn Creek — 600823 Penstemon gracilis Nutt. subsp. gracilis
Lactarius chrysorheus Fr. T. A. Williams 2601 15 Oct 1899 United States of America District of Columbia Washington. Takoma Park — 82945
Aragallus angustatus Rydb. T. A. Williams s.n. 18 Jun 1890 United States of America Nebraska Pine Ridge. type 5181 Aragallus angustatus Rydb.
Carex platylepis Mack. T. A. Williams 2951 19 Aug 1897 United States of America Wyoming Ten Sleep Lakes, Big Horn… holotype 231125 Carex platylepis Mack.
Russula mariae Peck T. A. Williams s.n. 12 Nov 1899 United States of America District of Columbia Takoma Park — 782616
Tricholoma portentosum var. centrale Peck T. A. Williams 20 Nov 1899 United States of America District of Columbia Takoma Park — 518104
Russula ochrophylla Peck T. A. Williams 25 Sep 1899 United States of America District of Columbia Takoma Park — 782671
Minuartia rubella (Wahlenb.) Hiern T. A. Williams s.n. 25 Aug 1898 United States of America Wyoming South fork of Piney Creek — 446277 Minuartia rubella (Wahlenb.) Hiern
Tortula plinthobia (Sull. & Lesq.) Broth. T. A. Williams 19 Dec 1891 United States of America Missouri Saint Louis Co. Botanic Garden — 364327
Juniperus communis L. T. A. Williams s.n. 22 Jul 1896 United States of America South Dakota Battle Creek — 22093 Juniperus communis L.
Pinus ponderosa var. scopulorum Engelm. T. A. Williams s.n. 15 Aug 1891 United States of America South Dakota Rapid City — 62133 Pinus ponderosa var. scopulorum Engelm.
Schistidium apocarpum (Hedw.) Bruch & Schimp. T. A. Williams 3 Aug 1891 United States of America South Dakota Rapid City — 370847
Onosmodium molle var. occidentale (Mack.) I.M.Johnst. T. A. Williams 219 16 Aug 1894 United States of America South Dakota Grant Co. "Big Stone." — 21627 Onosmodium molle var. occidentale (Mack.) I.M.Johnst.
Tricholoma russula (Schaeff.) Gillet T. A. Williams 11 Nov 1899 United States of America Maryland Takoma Park — 533834
Penstemon gracilis Nutt. subsp. gracilis T. A. Williams 85 s.d. United States of America South Dakota Lower White River — 600822 Penstemon gracilis Nutt. subsp. gracilis
Astragalus scopulorum Porter T. A. Williams s.n. 09 Jun 1900 United States of America Utah Ogden? — 695220 Astragalus scopulorum Porter
Hedysarum occidentale Greene T. A. Williams s.n. 10 Jul 1897 United States of America Wyoming Evanston — 704568 Hedysarum occidentale Greene
Vicia americana Muhl. ex Willd. var. americana T. A. Williams s.n. 10 Jul 1897 - 12 Jul 1897 United States of America Wyoming Evanston — 716213 Vicia americana Muhl. ex Willd. var. americana