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 551–600 of 766 (introduced).

• 
  Potentilla argentea L. var. argentea Introduced POARA3

  silver cinquefoil · Rosaceae 25 counties
• 
  Potentilla inclinata Vill. Introduced POIN10

  ashy cinquefoil · Rosaceae 1 county
• 
  Potentilla intermedia L. Introduced POIN8

  downy cinquefoil · Rosaceae 3 counties
• 
  Potentilla recta L. Introduced PORE5

  sulphur cinquefoil · Rosaceae 92 counties
• 
  Potentilla reptans L. Introduced PORE6

  creeping cinquefoil · Rosaceae 1 county
• 
  Prunus armeniaca L. Introduced PRAR3

  apricot · Rosaceae 1 county
• 
  Prunus avium (L.) L. Introduced PRAV

  sweet cherry · Rosaceae 1 county
• 
  Prunus cerasus L. Introduced PRCE

  sour cherry · Rosaceae 3 counties
• 
  Prunus mahaleb L. Introduced PRMA

  Mahaleb cherry · Rosaceae 13 counties
• 
  Prunus padus L. Introduced PRPA5

  European bird cherry · Rosaceae 1 county
• 
  Prunus persica (L.) Batsch Introduced PRPE3

  peach · Rosaceae 31 counties
• 
  Prunus persica (L.) Batsch var. persica Introduced PRPEP2

  peach · Rosaceae 31 counties
• ⚘
  Pseudolysimachion longifolium (L.) Opiz Introduced PSLO6

  longleaf speedwell · Scrophulariaceae 2 counties
• 
  Puccinellia distans (Jacq.) Parl. ssp. distans Introduced PUDID

  weeping alkaligrass · Poaceae 12 counties
• 
  Pueraria montana (Lour.) Merr. Introduced PUMO

  kudzu · Fabaceae 8 counties
• 
  Pueraria montana (Lour.) Merr. var. lobata (Willd.) Maesen & S.M. Almeida ex Sanjappa & Predeep Introduced PUMOL

  kudzu · Fabaceae 8 counties
• 
  Pyrus calleryana Decne. Introduced PYCA80

  Callery pear · Rosaceae 1 county
• 
  Pyrus communis L. Introduced PYCO

  common pear · Rosaceae 30 counties
• 
  Pyrus pyrifolia (Burm. f.) Nakai Introduced PYPY2

  Chinese pear · Rosaceae 1 county
• 
  Ranunculus acris L. var. acris Introduced RAACA3

  showy buttercup · Ranunculaceae 18 counties
• 
  Ranunculus arvensis L. Introduced RAAR3

  corn buttercup · Ranunculaceae 1 county
• 
  Ranunculus bulbosus L. Introduced RABU

  St. Anthony's turnip · Ranunculaceae 5 counties
• 
  Ranunculus ficaria L. Introduced RAFI

  fig buttercup · Ranunculaceae 1 county
• 
  Ranunculus ficaria L. var. bulbifera Marsden-Jones Introduced RAFIB

  fig buttercup · Ranunculaceae 1 county
• 
  Ranunculus parviflorus L. Introduced RAPA3

  smallflower buttercup · Ranunculaceae 1 county
• 
  Ranunculus repens L. Introduced RARE3

  creeping buttercup · Ranunculaceae 18 counties
• 
  Ranunculus sardous Crantz Introduced RASA

  hairy buttercup · Ranunculaceae 7 counties
• 
  Raphanus raphanistrum L. Introduced RARA2

  wild radish · Brassicaceae 8 counties
• ⚘
  Raphanus sativus L. Introduced RASA2

  cultivated radish · Brassicaceae 9 counties
• 
  Reseda alba L. Introduced REAL

  white upright mignonette · Resedaceae 2 counties
• 
  Rhamnus cathartica L. Introduced RHCA3

  common buckthorn · Rhamnaceae 24 counties
• 
  Rhamnus davurica Pall. Introduced RHDA

  Dahurian buckthorn · Rhamnaceae 1 county
• 
  Rhamnus davurica Pall. ssp. davurica Introduced RHDAD2

  Dahurian buckthorn · Rhamnaceae 1 county
• 
  Rheum rhabarbarum L. Introduced RHRH2

  garden rhubarb · Polygonaceae 3 counties
• 
  Rhodotypos scandens (Thunb.) Makino Introduced RHSC3

  jetbead · Rosaceae 2 counties
• 
  Ribes nigrum L. Introduced RINI

  European black currant · Grossulariaceae 1 county
• 
  Ribes rubrum L. Introduced RIRU80

  cultivated currant · Grossulariaceae 9 counties
• 
  Ricinus communis L. Introduced RICO3

  castorbean · Euphorbiaceae 2 counties
• 
  Rorippa sylvestris (L.) Besser Introduced ROSY

  creeping yellowcress · Brassicaceae 55 counties
• 
  Rosa canina L. Introduced ROCA3

  dog rose · Rosaceae 4 counties
• ⚘
  Rosa ferruiginea Vill. Introduced ROFE5

  redleaf rose · Rosaceae 1 county
• 
  Rosa gallica L. Introduced ROGA

  French rose · Rosaceae 2 counties
• 
  Rosa micrantha Borrer ex Sm. Introduced ROMI

  smallflower sweetbrier · Rosaceae 2 counties
• 
  Rosa moschata J. Herrm. Introduced ROMO

  musk rose · Rosaceae 1 county
• 
  Rosa multiflora Thunb. Introduced ROMU

  multiflora rose · Rosaceae 60 counties
• 
  Rosa rubiginosa L. Introduced RORU82

  sweetbriar rose · Rosaceae 31 counties
• 
  Rosa rugosa Thunb. Introduced RORU

  rugosa rose · Rosaceae 1 county
• 
  Rosa spinosissima L. Introduced ROSP2

  Scotch rose · Rosaceae 3 counties
• 
  Rosa wichuraiana Crép. Introduced ROWI

  memorial rose · Rosaceae 1 county
• 
  Rubus armeniacus Focke Introduced RUAR9

  Himalayan blackberry · Rosaceae 2 counties