Displaying 51 - 125 out of 919 Object(s)

Taxon Collector Date Country State/Province Locality Type Status Barcode
Puccinia podophylli Schwein. T. A. Williams s.n. 07 May 1899 United States of America District of Columbia Rock Creek — 3413060 Puccinia podophylli Schwein.
Puccinia polygoni-amphibii Pers. T. A. Williams s.n. 10 Oct 1890 United States of America Nebraska Saunders Co. — 3414014 Puccinia polygoni-amphibii Pers.
Puccinia minussensis Thüm. T. A. Williams s.n. 29 May 1894 United States of America South Dakota Brookings Co. — 3410306 Puccinia minussensis Thüm.
Puccinia recondita Roberge ex Desm. T. A. Williams s.n. 19 Sep 1896 United States of America South Dakota Brookings Co. — 3441346 Puccinia recondita Roberge ex Desm.
Phyllachora paspalicola Henn. T. A. Williams s.n. 25 Sep 1897 United States of America District of Columbia Rock Creek — 3388595 Phyllachora paspalicola Henn.
Phyllachora graminis (Pers.:Fr.) Fuckel T. A. Williams s.n. 13 Oct 1897 United States of America Maryland Glen Sligo — 3387363 Phyllachora graminis (Pers.:Fr.) Fuckel
Phyllachora panici (Schwein.) Sacc. T. A. Williams s.n. 13 Oct 1897 United States of America Maryland Glen Sligo — 3388246 Phyllachora panici (Schwein.) Sacc.
Puccinia obtecta Peck T. A. Williams s.n. 08 Aug 1889 United States of America Nebraska Weeping Water. — 3411228 Puccinia obtecta Peck
Puccinia micranthae Griffiths T. A. Williams s.n. Sep 1892 United States of America North Dakota Forest City. — 3410151 Puccinia micranthae Griffiths
Puccinia recondita Roberge ex Desm. T. A. Williams s.n. 19 Sep 1891 United States of America South Dakota Brookings. — 3441345 Puccinia recondita Roberge ex Desm.
Tranzschelia pruni-spinosae (Pers.) Dietel T. A. Williams s.n. 16 Sep 1892 United States of America South Dakota Brookings. — 3414639 Tranzschelia pruni-spinosae (Pers.) Dietel
Puccinia pimpinellae (F.Strauss) Röhl. T. A. Williams s.n. 08 Jun 1895 United States of America South Dakota Lake Hendricks. — 3412527 Puccinia pimpinellae (F.Strauss) Röhl.
Puccinia punctata Link T. A. Williams s.n. 15 Jun 1895 United States of America South Dakota Big Stone. — 3415317 Puccinia punctata Link
Puccinia menthae Pers. var. menthae T. A. Williams s.n. s.d. United States of America South Dakota Peno Hills. — 3409908 Puccinia menthae Pers. var. menthae
Silene latifolia subsp. alba (Mill.) Greuter & Burdet T. A. Williams s.n. 08 Aug 1899 United States of America District of Columbia Tacoma Park — 3314553 Silene latifolia subsp. alba (Mill.) Greuter & Burdet
Myriopteris gracilis Fée T. A. Williams s.n. 17 Aug 1891 United States of America South Dakota Pennington Co. Black Hills — 3493868 Myriopteris gracilis Fée
Thelesperma subnudum var. subnudum T. A. Williams s.n. 04 Jun 1900 United States of America Colorado Near Bareta — 3164796 Thelesperma subnudum var. subnudum
Townsendia grandiflora Nutt. T. A. Williams s.n. 23 Jun 1890 United States of America Nebraska War Bonnet Cañon — 2922898 Townsendia grandiflora Nutt.
Psoralidium tenuiflorum (Pursh) Rydb. T. A. Williams s.n. Aug 1891 United States of America South Dakota Pennington Co. — 2621863 Psoralidium tenuiflorum (Pursh) Rydb.
Erigeron formosissimus Greene var. formosissimus T. A. Williams 613 06 Aug 1891 United States of America South Dakota Pennington Co. Rapid City; canyons — 2089460 Erigeron formosissimus Greene var. formosissimus
Erigeron strigosus Muhl. ex Willd. var. strigosus T. A. Williams s.n. — United States of America Wyoming Wind River — 2096263 Erigeron strigosus Muhl. ex Willd. var. strigosus
Erigeron pumilus Nutt. subsp. pumilus T. A. Williams s.n. 24 Jun 1890 United States of America Nebraska Sioux Co. War Bonnet Canyon;… — 2094705 Erigeron pumilus Nutt. subsp. pumilus
Potamogeton richardsonii (A.Benn.) Rydb. T. A. Williams s.n. 26 Aug 1892 United States of America South Dakota Big Stone Lake — 3716021 Potamogeton richardsonii (A.Benn.) Rydb.
Quercus gambelii Nutt. T. A. Williams s.n. Jul 1897 United States of America Wyoming Deer Creek — 1484565 Quercus gambelii Nutt.
Danthonia californica Bol. T. A. Williams 2796 03 Aug 1897 United States of America Wyoming Powder River at & near… — 1587573 Danthonia californica Bol.
Danthonia intermedia Vasey T. A. Williams 2946 08 Aug 1897 United States of America Wyoming Canyon Creek — 1587916 Danthonia intermedia Vasey
Elymus repens (L.) Gould T. A. Williams s.n. 20 Jun 1890 United States of America Nebraska War Bonnet Canon — 1677471 Elymus repens (L.) Gould
Symphoricarpos albus (L.) S.F.Blake T. A. Williams 578 Jun 1890 United States of America Nebraska War Bonnet Canon — 2457603 Symphoricarpos albus (L.) S.F.Blake
Ipomopsis congesta (Hook.) V.E.Grant subsp. congesta T. A. Williams s.n. Jun 1890 United States of America Nebraska War Bonnet Canon — 3300957 Ipomopsis congesta (Hook.) V.E.Grant subsp. congesta
Linum sulcatum Riddell T. A. Williams 361 04 Jul 1890 United States of America Nebraska Weeping Water — 3727561 Linum sulcatum Riddell
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
Urtica L. T. A. Williams s.n. 17 Jul 1897 United States of America Idaho Bear Lake Co. Montpelier — 500543 Urtica L.
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
Thelypodium integrifolium (Nutt. ex Torr. & A.Gray) Endl. subsp. integrifolium T. A. Williams 16 Jul 1897-18 Jul 1897 United States of America Idaho Bear Lake Co. Montpelier. — 215475 Thelypodium integrifolium (Nutt. ex Torr. & A.Gray) Endl. subsp. integrifolium
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
Tricholoma portentosum var. centrale Peck T. A. Williams 20 Oct 1899 United States of America District of Columbia — 518101
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.
Elaeagnus angustifolia L. T. A. Williams s.n. Jun 1896 United States of America South Dakota Minnehaha Co. — 786044 Elaeagnus angustifolia L.
Onosmodium molle var. occidentale (Mack.) I.M.Johnst. T. A. Williams s.n. Jul 1888 United States of America South Dakota Brookings Co. Brookings — 21622 Onosmodium molle var. occidentale (Mack.) I.M.Johnst.
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