Illinois

• Adams 17001
  1,183 taxa Open ↗
• Alexander 17003
  1,220 taxa Open ↗
• Bond 17005
  682 taxa Open ↗
• Boone 17007
  1,163 taxa Open ↗
• Brown 17009
  836 taxa Open ↗
• Bureau 17011
  652 taxa Open ↗
• Calhoun 17013
  1,017 taxa Open ↗
• Carroll 17015
  931 taxa Open ↗
• Cass 17017
  1,389 taxa Open ↗
• Champaign 17019
  1,420 taxa Open ↗

Showing 701–750 of 766 (introduced).

• 
  Thlaspi arvense L. Introduced THAR5

  field pennycress · Brassicaceae 76 counties
• 
  Thymelaea passerina (L.) Coss. & Germ. Introduced THPA7

  mezereon · Thymelaeaceae 2 counties
• 
  Thymus praecox Opiz Introduced THPR

  mother of thyme · Lamiaceae 2 counties
• 
  Thymus praecox Opiz ssp. arcticus (Durand) Jalas Introduced THPRA

  creeping thyme · Lamiaceae 2 counties
• 
  Torilis arvensis (Huds.) Link Introduced TOAR

  spreading hedgeparsley · Apiaceae 52 counties
• 
  Torilis arvensis (Huds.) Link ssp. arvensis Introduced TOARA

  spreading hedgeparsley · Apiaceae 52 counties
• 
  Torilis japonica (Houtt.) DC. Introduced TOJA

  erect hedgeparsley · Apiaceae 57 counties
• 
  Tragopogon dubius Scop. Introduced TRDU

  yellow salsify · Asteraceae 70 counties
• 
  Tragopogon porrifolius L. Introduced TRPO

  salsify · Asteraceae 40 counties
• 
  Tragopogon pratensis L. Introduced TRPR

  Jack-go-to-bed-at-noon · Asteraceae 52 counties
• 
  Tribulus terrestris L. Introduced TRTE

  puncturevine · Zygophyllaceae 39 counties
• 
  Trifolium arvense L. Introduced TRAR4

  rabbitfoot clover · Fabaceae 22 counties
• 
  Trifolium aureum Pollich Introduced TRAU2

  golden clover · Fabaceae 6 counties
• 
  Trifolium campestre Schreb. Introduced TRCA5

  field clover · Fabaceae 79 counties
• 
  Trifolium dubium Sibth. Introduced TRDU2

  suckling clover · Fabaceae 13 counties
• 
  Trifolium fragiferum L. Introduced TRFR2

  strawberry clover · Fabaceae 2 counties
• 
  Trifolium hybridum L. Introduced TRHY

  alsike clover · Fabaceae 102 counties
• 
  Trifolium incarnatum L. Introduced TRIN3

  crimson clover · Fabaceae 9 counties
• 
  Trifolium pratense L. Introduced TRPR2

  red clover · Fabaceae 102 counties
• 
  Trifolium repens L. Introduced TRRE3

  white clover · Fabaceae 102 counties
• 
  Trifolium resupinatum L. Introduced TRRE4

  reversed clover · Fabaceae 1 county
• 
  Tripleurospermum perforatum (Mérat) M. Lainz Introduced TRPE21

  scentless false mayweed · Asteraceae 4 counties
• 
  Triticum aestivum L. Introduced TRAE

  common wheat · Poaceae 55 counties
• 
  Tussilago farfara L. Introduced TUFA

  coltsfoot · Asteraceae 1 county
• 
  Ulmus procera Salisb. Introduced ULPR

  English elm · Ulmaceae 1 county
• 
  Ulmus pumila L. Introduced ULPU

  Siberian elm · Ulmaceae 34 counties
• 
  Urtica urens L. Introduced URUR

  dwarf nettle · Urticaceae 1 county
• 
  Vaccaria hispanica (Mill.) Rauschert Introduced VAHI2

  cow soapwort · Caryophyllaceae 25 counties
• 
  Valeriana officinalis L. Introduced VAOF

  garden valerian · Valerianaceae 4 counties
• 
  Valerianella locusta (L.) Lat. Introduced VALO

  Lewiston cornsalad · Valerianaceae 1 county
• 
  Verbascum blattaria L. Introduced VEBL

  moth mullein · Scrophulariaceae 81 counties
• 
  Verbascum phlomoides L. Introduced VEPH

  orange mullein · Scrophulariaceae 3 counties
• 
  Verbascum speciosum Schrad. Introduced VESP

  showy mullein · Scrophulariaceae 1 county
• 
  Verbascum thapsus L. Introduced VETH

  common mullein · Scrophulariaceae 102 counties
• 
  Verbascum virgatum Stokes Introduced VEVI2

  wand mullein · Scrophulariaceae 3 counties
• 
  Veronica agrestis L. Introduced VEAG

  green field speedwell · Scrophulariaceae 1 county
• 
  Veronica arvensis L. Introduced VEAR

  corn speedwell · Scrophulariaceae 102 counties
• 
  Veronica chamaedrys L. Introduced VECH

  germander speedwell · Scrophulariaceae 1 county
• 
  Veronica hederifolia L. Introduced VEHE2

  ivyleaf speedwell · Scrophulariaceae 2 counties
• 
  Veronica officinalis L. Introduced VEOF2

  common gypsyweed · Scrophulariaceae 5 counties
• 
  Veronica officinalis L. var. officinalis Introduced VEOFO

  common gypsyweed · Scrophulariaceae 5 counties
• 
  Veronica persica Poir. Introduced VEPE3

  birdeye speedwell · Scrophulariaceae 9 counties
• 
  Veronica polita Fr. Introduced VEPO

  gray field speedwell · Scrophulariaceae 8 counties
• 
  Veronica serpyllifolia L. ssp. serpyllifolia Introduced VESES

  thymeleaf speedwell · Scrophulariaceae 32 counties
• 
  Viburnum lantana L. Introduced VILA

  wayfaringtree · Caprifoliaceae 4 counties
• 
  Vicia cracca L. Introduced VICR

  bird vetch · Fabaceae 17 counties
• 
  Vicia cracca L. ssp. cracca Introduced VICRC

  bird vetch · Fabaceae 17 counties
• 
  Vicia sativa L. Introduced VISA

  garden vetch · Fabaceae 15 counties
• 
  Vicia sativa L. ssp. nigra (L.) Ehrh. Introduced VISAN2

  garden vetch · Fabaceae 12 counties
• 
  Vicia villosa Roth Introduced VIVI

  winter vetch · Fabaceae 67 counties