Displaying 1 - 75 out of 919 Object(s)

Taxon Collector Date Country State/Province Locality Type Status Barcode
Poa arida Vasey T. A. Williams s.n. 1891 United States of America Arkansas Bear Kings — 1784723 Poa arida Vasey
Thelesperma subnudum var. subnudum T. A. Williams s.n. 04 Jun 1900 United States of America Colorado Near Bareta — 3164796 Thelesperma subnudum var. subnudum
Penstemon auriberbis Pennell T. A. Williams s.n. 04 Jun 1900 United States of America Colorado Near Bareta — 570974 Penstemon auriberbis Pennell
Conioselinum scopulorum (A.Gray) J.M.Coult. & Rose T. A. Williams s.n. 23 Jul 1896 United States of America Colorado El Paso Co. — 3455555 Conioselinum scopulorum (A.Gray) J.M.Coult. & Rose
Dichanthelium polyanthes (Schult.) Mohlenbr. T. A. Williams 03 Jul 1898 United States of America District of Columbia Takoma Park — 1715146 Dichanthelium polyanthes (Schult.) Mohlenbr.
Dichanthelium polyanthes (Schult.) Mohlenbr. T. A. Williams 17 Jun 1899 United States of America District of Columbia Takoma Park — 1715141 Dichanthelium polyanthes (Schult.) Mohlenbr.
Dichanthelium polyanthes (Schult.) Mohlenbr. T. A. Williams 11 Jul 1899 United States of America District of Columbia Takoma Park — 1715144 Dichanthelium polyanthes (Schult.) Mohlenbr.
Rubus enslenii Tratt. T. A. Williams s.n. 08 Jul 1899 United States of America District of Columbia Takoma Park — 2866394 Rubus enslenii Tratt.
Carex debilis Michx. var. debilis T. A. Williams s.n. 05 Jun 1898 United States of America District of Columbia Takoma — 2781844 Carex debilis Michx. var. debilis
Eupatorium hyssopifolium L. var. hyssopifolium T. A. Williams 07 Sep 1900 United States of America District of Columbia Lakoma Park, D.C. — 2834580 Eupatorium hyssopifolium L. var. hyssopifolium
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
Lactarius chrysorheus Fr. T. A. Williams 2601 15 Oct 1899 United States of America District of Columbia Washington. Takoma Park — 82945
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
Cladonia apodocarpa Robbins T. A. Williams 8 15 Nov 1896 United States of America District of Columbia Takoma Park — 1079806
Leimonis erratica (Körb.) R.C.Harris & Lendemer T. A. Williams 23 Jan 1898 United States of America District of Columbia Takoma Park — 1519065 Leimonis erratica (Körb.) R.C.Harris & Lendemer
Carex annectens (E.P.Bicknell) E.P.Bicknell T. A. Williams s.n. 26 May 1897 United States of America District of Columbia Takoma Park. — 2236285 Carex annectens (E.P.Bicknell) E.P.Bicknell
Carex allegheniensis Mack. T. A. Williams s.n. 06 Jun 1896 United States of America District of Columbia [Lakoma] Park. — 2235321 Carex allegheniensis Mack.
Carex albicans var. emmonsii (Dewey ex Torr.) Rettig T. A. Williams s.n. 25 Apr 1897 United States of America District of Columbia Takoma Park. — 2264775 Carex albicans var. emmonsii (Dewey ex Torr.) Rettig
Carex atlantica L.H.Bailey subsp. atlantica T. A. Williams s.n. 24 May 1898 United States of America District of Columbia Takoma Park. — 2237574 Carex atlantica L.H.Bailey subsp. atlantica
Carex brachyglossa Mack. T. A. Williams s.n. 26 May 1897 United States of America District of Columbia Takoma Park. — 2251771 Carex brachyglossa Mack.
Carex cephalophora Muhl. ex Willd. T. A. Williams s.n. 30 May 1899 United States of America District of Columbia Sligo. — 2254986 Carex cephalophora Muhl. ex Willd.
Carex folliculata L. T. A. Williams s.n. 03 Jul 1903 United States of America District of Columbia Takoma Park — 2276826 Carex folliculata L.
Carex frankii Kunth T. A. Williams s.n. 08 Jul 1899 United States of America District of Columbia Takoma Park. — 2276965 Carex frankii Kunth
Carex hirsutella Mack. T. A. Williams s.n. 30 May 1898 United States of America District of Columbia Sligo. — 2190287 Carex hirsutella Mack.
Carex intumescens Rudge T. A. Williams s.n. 30 May 1898 United States of America District of Columbia Sligo — 2192466 Carex intumescens Rudge
Carex intumescens Rudge T. A. Williams s.n. 13 Jun 1898 United States of America District of Columbia Takoma Park — 2192577 Carex intumescens Rudge
Carex lurida Wahlenb. T. A. Williams s.n. 08 Jul 1899 United States of America District of Columbia Takoma Park. [Inferred county from… — 2289273 Carex lurida Wahlenb.
Carex lurida Wahlenb. T. A. Williams s.n. July 3 United States of America District of Columbia Takoma Park. [Inferred county from… — 2289274 Carex lurida Wahlenb.
Carex muhlenbergii Schkuhr var. muhlenbergii T. A. Williams s.n. 17 Jun 1899 United States of America District of Columbia Takoma Park — 2292294 Carex muhlenbergii Schkuhr var. muhlenbergii
Carex praegracilis W.Boott T. A. Williams s.n. 30 May 1899 United States of America District of Columbia Sligo. — 2297642 Carex praegracilis W.Boott
Carex laeviconica Dewey T. A. Williams s.n. 03 Jul 1903 United States of America District of Columbia Takoma Park — 2193502 Carex laeviconica Dewey
Carex laevivaginata (Kük.) Mack. T. A. Williams s.n. 23 May 1897 United States of America District of Columbia Old Lay Place — 2193600 Carex laevivaginata (Kük.) Mack.
Carex laxiflora Lam. T. A. Williams s.n. 12 Jun 1897 United States of America District of Columbia Washington. Takoma Park — 2195031 Carex laxiflora Lam.
Carex tribuloides var. sangamonensis Clokey T. A. Williams s.n. 08 Jul 1899 United States of America District of Columbia Washington. Takoma Park — 2307692 Carex tribuloides var. sangamonensis Clokey
Carex rugosperma Mack. T. A. Williams s.n. 26 Mar 1898 United States of America District of Columbia Takoma Heights — 2301454 Carex rugosperma Mack.
Carex vulpinoidea Michx. T. A. Williams s.n. 08 Jul 1899 United States of America District of Columbia Takoma Park — 2310638 Carex vulpinoidea Michx.
Bacidia schweinitzii (Fr. ex Tuck.) A.Schneid. T. A. Williams Dec 1896 United States of America District of Columbia Takoma Park — 1542875 Bacidia schweinitzii (Fr. ex Tuck.) A.Schneid.
Bacidia schweinitzii (Fr. ex Tuck.) A.Schneid. T. A. Williams Dec 1896 United States of America District of Columbia Takoma Park — 1542874 Bacidia schweinitzii (Fr. ex Tuck.) A.Schneid.
Buellia maculata Bungartz T. A. Williams s.n. Dec 1897 United States of America District of Columbia Takoma Park — 2466870
Agrostis perennans (Walter) Tuck. T. A. Williams s.n. 22 May 1899 United States of America District of Columbia Takoma Park. — 1556926 Agrostis perennans (Walter) Tuck.
Pertusaria pustulata (Ach.) Duby T. A. Williams Apr 1898 United States of America District of Columbia Takoma Park — 2467613
Pertusaria pustulata (Ach.) Duby T. A. Williams Apr 1898 United States of America District of Columbia Takoma Park — 2467614
Digitaria filiformis (L.) Koeler T. A. Williams 1553 11 Oct 1900 United States of America District of Columbia Takoma Park. — 1695856 Digitaria filiformis (L.) Koeler
Cortinarius alboviolaceus (Fr.) Fr. T. A. Williams s.n. 11 Oct 1899 United States of America District of Columbia Rock Creek Park. — 1934642 Cortinarius alboviolaceus (Fr.) Fr.
Cortinarius semisanguineus (Fr.) Gillet T. A. Williams s.n. 11 Oct 1899 United States of America District of Columbia Rock Creek Park. — 1956137 Cortinarius semisanguineus (Fr.) Gillet
Albugo ipomoaea-panduratae (C.Schweinf.) D.B.Swingle T. A. Williams s.n. 15 Jul 1899 United States of America District of Columbia Takoma Park — 2771865 Albugo ipomoaea-panduratae (C.Schweinf.) D.B.Swingle
Calostoma lutescens (Schwein.) Burnap T. A. Williams s.n. 02 Apr 1900 United States of America District of Columbia Takoma Park — 01938871 Calostoma lutescens (Schwein.) Burnap
Mycena pura (Fr.) Kumm. T. A. Williams s.n. Oct 1899 United States of America District of Columbia Takoma Park — 2764798 Mycena pura (Fr.) Kumm.
Pluteus cervinus (Schaeff.) P.Kumm. T. A. Williams s.n. 17 Oct 1899 United States of America District of Columbia Takoma Park — 3027456 Pluteus cervinus (Schaeff.) P.Kumm.
Cystoderma granosum (Morgan) A.H.Sm. & Singer T. A. Williams s.n. 10 Oct 1897 United States of America District of Columbia Takoma Park — 1944515 Cystoderma granosum (Morgan) A.H.Sm. & Singer
Microsphaera alni DC. T. A. Williams s.n. 12-9-1897 United States of America District of Columbia Takoma Park — 2940650 Microsphaera alni DC.
Digitaria filiformis (L.) Koeler T. A. Williams 1553 11 Oct 1900 United States of America District of Columbia Takoma Park — 1695780 Digitaria filiformis (L.) Koeler
Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. acuminatum T. A. Williams 12 Jun 1897 United States of America District of Columbia Takoma Park — 1592825 Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. acuminatum
Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. acuminatum T. A. Williams 12 Jun 1897 United States of America District of Columbia Takoma Park — 1592827 Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. acuminatum
Dichanthelium portoricense (Desv. ex Ham.) B.F.Hansen & Wunderlin T. A. Williams 12 Jun 1897 United States of America District of Columbia Takoma Park — 1715245 Dichanthelium portoricense (Desv. ex Ham.) B.F.Hansen & Wunderlin
Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. acuminatum T. A. Williams 12 Jun 1897 United States of America District of Columbia Takoma Park — 1592992 Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. acuminatum
Pertusaria pustulata (Ach.) Duby T. A. Williams Apr 1898 United States of America District of Columbia Takoma Park — 2467612 Pertusaria pustulata (Ach.) Duby
Melaspilea demissa (Tuck.) Zahlbr. T. A. Williams 284 Apr 1898 United States of America District of Columbia Takoma Park — 1364174 Melaspilea demissa (Tuck.) Zahlbr.
Trapelia glebulosa (Sm.) J.R.Laundon T. A. Williams Jan 1898 United States of America District of Columbia Takoma Park — 1410536 Trapelia glebulosa (Sm.) J.R.Laundon
Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. acuminatum T. A. Williams s.n. 22 Jun 1899 United States of America District of Columbia Argyle — 1591872 Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. acuminatum
Biatora schweinitzii Fr. ex Tuck. T. A. Williams s.n. Dec 1896 United States of America District of Columbia Takoma Park. — 04440076 Biatora schweinitzii Fr. ex Tuck.
Cladonia delicata (Ehrh.) Flörke T. A. Williams s.n. 01 May 1897 United States of America District of Columbia Rock Creek Park. — 4440506 Cladonia delicata (Ehrh.) Flörke
Cladonia delicata (Ehrh.) Flörke T. A. Williams s.n. 01 May 1897 United States of America District of Columbia Rock Creek Park. — 04440080 Cladonia delicata (Ehrh.) Flörke
Biatora uliginosa (Schrad.) Fr. T. A. Williams s.n. May 1897 United States of America District of Columbia Takoma Park. — 4440520 Biatora uliginosa (Schrad.) Fr.
Arthonia quintaria Nyl. T. A. Williams s.n. Oct 1897 - Dec 1897 United States of America District of Columbia Takoma Park. — 4440518 Arthonia quintaria Nyl.
Cetraria aleurites var. placorodia Ach. T. A. Williams s.n. Mar 1898 United States of America District of Columbia Rock Creek. — 4440525 Cetraria aleurites var. placorodia Ach.
Pertusaria pustulata (Ach.) Duby T. A. Williams s.n. Apr 1898 United States of America District of Columbia Takoma Park. — 4440526 Pertusaria pustulata (Ach.) Duby
Ramalina calicaris var. fraxinea (L.) Fr. T. A. Williams s.n. 30 May 1898 United States of America District of Columbia Rock Creek. — 4440537 Ramalina calicaris var. fraxinea (L.) Fr.
Graphis dendritica Ach. T. A. Williams s.n. May 1898 United States of America District of Columbia Takoma Park. — 4440531 Graphis dendritica Ach.
Arthonia punctiformis Ach. T. A. Williams s.n. May 1898 United States of America District of Columbia Takoma Park. — 4440535 Arthonia punctiformis Ach.
Cladonia papillaria var. molariformis Nyl. T. A. Williams s.n. Dec 1898 United States of America District of Columbia Rock Creek. — 4440558 Cladonia papillaria var. molariformis Nyl.
Cladonia caespiticia (Pers.) Flörke T. A. Williams s.n. 11 Oct 1899 United States of America District of Columbia Rock Creek, near Takoma Park. — 4440569 Cladonia caespiticia (Pers.) Flörke
Arthonia quintaria Nyl. T. A. Williams s.n. Oct 1897 - Dec 1897 United States of America District of Columbia Takoma Park. — 4440100 Arthonia quintaria Nyl.