Displaying 1 - 50 out of 478 Object(s)

Taxon Collector Date Country State/Province Locality Type Status Barcode Notice
Castilleja latebracteata Pennell C. S. Williamson s.n. 27 Apr 1903 United States of America High bridge of Pecos [?]. isotype Castilleja latebracteata Pennell
Lythrum salicaria L. C. S. Williamson 1272 06 Aug 1910 Canada Quebec Montmorency Falls Lythrum salicaria L.
Pinus banksiana Lamb. C. S. Williamson 1015 24 Jul 1911 Canada Quebec L'Islet du Massacre, Bic Pinus banksiana Lamb.
Penstemon smallii A.Heller C. S. Williamson s.n. August United States of America North Carolina Balsam Penstemon smallii A.Heller
Amaranthus pumilus Raf. C. S. Williamson s.n. United States of America North Carolina Seacoast near Wilmington. Amaranthus pumilus Raf.
Amaranthus pumilus Raf. C. S. Williamson s.n. 01 Sep United States of America North Carolina Sea Beach near Wrightsville Amaranthus pumilus Raf.
Sphagnum teres (Schimp.) Ångstr. C. S. Williamson 07 Aug 1911 Canada Newfoundland and Labrador Caribou Island, Battle Harbour, Labrador
Cytisus scoparius (L.) Link C. S. Williamson s.n. 15 May 1910 United States of America Pennsylvania Crum Lynn Station Cytisus scoparius (L.) Link
Juniperus horizontalis Moench C. S. Williamson 2287 United States of America Michigan Keweenaw Co. Rock Harbor, Isle… Juniperus horizontalis Moench
Picea glauca (Moench) Voss var. glauca C. S. Williamson 1019 15 Jul 1911 Canada Quebec Bic Picea glauca (Moench) Voss var. glauca
Eriocaulon parkeri B.L.Rob. C. S. Williamson s.n. 28 Jul 1906 United States of America New Jersey Camden Co. Eriocaulon parkeri B.L.Rob.
Eriocaulon parkeri B.L.Rob. C. S. Williamson s.n. 02 Oct 1905 United States of America New Jersey Camden Co. Eriocaulon parkeri B.L.Rob.
Selaginella acanthonota Underw. C. S. Williamson s.n. Jul 1892 United States of America North Carolina Wilmington holotype Selaginella acanthonota Underw.
Marshallia williamsonii Small C. S. Williamson s.n. 02 Sep 1900 United States of America North Carolina Wilmington holotype Marshallia williamsonii Small
Thuja occidentalis L. C. S. Williamson 1020 13 Jul 1911 Canada Quebec Bic Thuja occidentalis L.
Zygophyllum fabago L. C. S. Williamson s.n. United States of America Pennsylvania Karghn [?Karghn's] Zygophyllum fabago L.
Echinochloa crus-galli (L.) P.Beauv. C. S. Williamson s.n. s.d. United States of America Pennsylvania Philadelphia Co. Philadelphia Echinochloa crus-galli (L.) P.Beauv.
Eragrostis pectinacea (Michx.) Nees C. S. Williamson s.n. s.d. United States of America Pennsylvania Philadelphia Co. Philadelphia Eragrostis pectinacea (Michx.) Nees
Eragrostis refracta (Muhl.) Scribn. C. S. Williamson s.n. 30 Aug 1900 United States of America North Carolina Weldon Eragrostis refracta (Muhl.) Scribn.
Arabidopsis thaliana (L.) Heynh. C. S. Williamson s.n. [collector lived 1857-1914] United States of America Pennsylvania Philadelphia Co.
Carya illinoinensis (Wangenh.) K.Koch C. S. Williamson s.n. 12 Jul 1908 United States of America New York Cape May Carya illinoinensis (Wangenh.) K.Koch
Carya ovata (Mill.) K.Koch C. S. Williamson s.n. May Phil a Carya ovata (Mill.) K.Koch
Juglans cinerea L. C. S. Williamson s.n. 17 May 1908 United States of America Pennsylvania Montgomery Co. Sumneytown Juglans cinerea L.
Agropyron Gaertn. C. S. Williamson s.n. Aug Phil [Note: no country, state]. Agropyron Gaertn.
Agrostis perennans (Walter) Tuck. C. S. Williamson 771 18 Aug 1911 United States of America New York St. John's. Agrostis perennans (Walter) Tuck.
Agrostis stolonifera L. C. S. Williamson 770 18 Aug 1911 St. John's. Agrostis stolonifera L.
Aira praecox L. C. S. Williamson s.n. May 30th-June 7th 1908 United States of America New York Cold Spring, 2 Point Pleasant. Aira praecox L.
Alopecurus geniculatus L. C. S. Williamson 292 16 Jul 1911 Whitbourne. Alopecurus geniculatus L.
Alopecurus pratensis L. C. S. Williamson 704 11 Aug 1911 Battle Harbor [Lake]. Alopecurus pratensis L.
Andropogon glomeratus var. glomeratus C. S. Williamson s.n. Sep 1906 United States of America Pennsylvania Lester, PA Andropogon glomeratus var. glomeratus
Andropogon gyrans Ashe var. gyrans C. S. Williamson s.n. 06 Nov 1910 United States of America Pennsylvania Radnor Andropogon gyrans Ashe var. gyrans
Bromus ciliatus L. C. S. Williamson 1442 21 Jul 1910 Canada Quebec Bic Bromus ciliatus L.
Arundinaria C. S. Williamson s.n. s.d. United States of America North Carolina Weldon Arundinaria
Calamagrostis canadensis (Michx.) P.Beauv. C. S. Williamson 703 10 Aug 1911 Battle Harbor Lat. Calamagrostis canadensis (Michx.) P.Beauv.
Calamagrostis canadensis (Michx.) P.Beauv. C. S. Williamson 536 02 Aug 1911 Harbor Grace. [Njer?]. Calamagrostis canadensis (Michx.) P.Beauv.
Calamagrostis canadensis (Michx.) P.Beauv. C. S. Williamson 1034 Aug 1912 Mont[mvrency Falls]. Calamagrostis canadensis (Michx.) P.Beauv.
Calamagrostis canadensis (Michx.) P.Beauv. C. S. Williamson 2303 August 15-16, 1912 United States of America Michigan Isle Royale. Johnson's Island. Calamagrostis canadensis (Michx.) P.Beauv.
Calamagrostis canadensis (Michx.) P.Beauv. C. S. Williamson 822 04 Sep 1911 United States of America New Jersey Atsion. Calamagrostis canadensis (Michx.) P.Beauv.
Calamagrostis neglecta subsp. inexpansa (A.Gray) Tzvelev C. S. Williamson 2289 August 15-16, 1912 United States of America Michigan Isle Royale. Johnson's Island. Rock… Calamagrostis neglecta subsp. inexpansa (A.Gray) Tzvelev
Calamagrostis pickeringii A.Gray C. S. Williamson 791 18 Aug 1911 Canada Newfoundland and Labrador St. John's Calamagrostis pickeringii A.Gray
Coleataenia anceps (Michx.) Soreng C. S. Williamson s.n. 29 Aug 1800 United States of America Virginia Virginia Beach Coleataenia anceps (Michx.) Soreng
Glyceria canadensis (Michx.) Trin. C. S. Williamson 734 16 Aug 1911 St. John's. Glyceria canadensis (Michx.) Trin.
Glyceria canadensis (Michx.) Trin. C. S. Williamson 1443 23 Jul 1910 Canada Quebec St. Fabien. Glyceria canadensis (Michx.) Trin.
Glyceria obtusa (Muhl.) Trin. C. S. Williamson 368 21 Jul 1911 Placenha [Nfed]. Glyceria obtusa (Muhl.) Trin.
Glyceria septentrionalis Hitchc. C. S. Williamson 733 18 Aug 1911 United States of America New Jersey St. John's. Glyceria septentrionalis Hitchc.
Glyceria striata (Lam.) Hitchc. C. S. Williamson 245 16 Jul 1911 Whitbourne [Mld] Glyceria striata (Lam.) Hitchc.
Panicum amarum var. amarum C. S. Williamson s.n. 29 Aug 1900 United States of America Virginia Virginia Beach Panicum amarum var. amarum
Panicum capillare L. C. S. Williamson s.n. 19 Sep 1908 United States of America New Jersey Riddleton. Panicum capillare L.
Panicum L. C. S. Williamson s.n. 02 Sep 1906 United States of America North Carolina Welmington Panicum L.
Panicum L. C. S. Williamson s.n. 02 Sep 1900 United States of America North Carolina Welmington Panicum L.