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 101–150 of 766 (introduced).

• 
  Bromus arvensis L. Introduced BRAR5

  field brome · Poaceae 64 counties
• 
  Bromus briziformis Fisch. & C.A. Mey. Introduced BRBR5

  rattlesnake brome · Poaceae 2 counties
• 
  Bromus catharticus Vahl Introduced BRCA6

  rescuegrass · Poaceae 1 county
• 
  Bromus erectus Huds. Introduced BRER3

  erect brome · Poaceae 1 county
• 
  Bromus hordeaceus L. Introduced BRHO2

  soft brome · Poaceae 5 counties
• 
  Bromus hordeaceus L. ssp. hordeaceus Introduced BRHOH

  soft brome · Poaceae 4 counties
• 
  Bromus inermis Leyss. ssp. inermis Introduced BRINI

  smooth brome · Poaceae 102 counties
• 
  Bromus inermis Leyss. ssp. inermis var. inermis Introduced BRINI2

  smooth brome · Poaceae 102 counties
• 
  Bromus racemosus L. Introduced BRRA2

  bald brome · Poaceae 84 counties
• 
  Bromus secalinus L. Introduced BRSE

  rye brome · Poaceae 67 counties
• 
  Bromus secalinus L. var. secalinus Introduced BRSES

  rye brome · Poaceae 67 counties
• 
  Bromus squarrosus L. Introduced BRSQ2

  corn brome · Poaceae 4 counties
• 
  Bromus sterilis L. Introduced BRST2

  poverty brome · Poaceae 4 counties
• 
  Bromus tectorum L. Introduced BRTE

  cheatgrass · Poaceae 102 counties
• 
  Broussonetia papyrifera (L.) L'Hér. ex Vent. Introduced BRPA4

  paper mulberry · Moraceae 6 counties
• 
  Buglossoides arvensis (L.) I.M. Johnst. Introduced BUAR3

  corn gromwell · Boraginaceae 71 counties
• 
  Bupleurum rotundifolium L. Introduced BURO

  hare's ear · Apiaceae 1 county
• 
  Butomus umbellatus L. Introduced BUUM

  flowering rush · Butomaceae 1 county
• 
  Calamagrostis epigeios (L.) Roth Introduced CAEP

  chee reedgrass · Poaceae 1 county
• 
  Calamagrostis epigeios (L.) Roth ssp. epigeios Introduced CAEPE2

  chee reedgrass · Poaceae 1 county
• 
  Calystegia hederacea Wall. Introduced CAHE21

  Japanese false bindweed · Convolvulaceae 5 counties
• 
  Camelina microcarpa Andrz. ex DC. Introduced CAMI2

  littlepod false flax · Brassicaceae 42 counties
• 
  Camelina sativa (L.) Crantz Introduced CASA2

  false flax · Brassicaceae 12 counties
• 
  Camelina sativa (L.) Crantz ssp. sativa Introduced CASAS2

  gold-of-pleasure · Brassicaceae 12 counties
• 
  Campanula glomerata L. Introduced CAGL2

  Dane's blood · Campanulaceae 2 counties
• 
  Campanula rapunculoides L. Introduced CARA

  rampion bellflower · Campanulaceae 22 counties
• 
  Canavalia ensiformis (L.) DC. Introduced CAEN4

  jack bean · Fabaceae 1 county
• 
  Cannabis sativa L. Introduced CASA3

  marijuana · Cannabaceae 59 counties
• 
  Cannabis sativa L. ssp. sativa Introduced CASAS3

  marijuana · Cannabaceae 59 counties
• 
  Cannabis sativa L. ssp. sativa var. sativa Introduced CASAS9

  marijuana · Cannabaceae 1 county
• 
  Capsella bursa-pastoris (L.) Medik. Introduced CABU2

  shepherd's purse · Brassicaceae 102 counties
• 
  Caragana arborescens Lam. Introduced CAAR18

  Siberian peashrub · Fabaceae 4 counties
• 
  Cardamine hirsuta L. Introduced CAHI3

  hairy bittercress · Brassicaceae 26 counties
• 
  Cardaria draba (L.) Desv. Introduced CADR

  whitetop · Brassicaceae 40 counties
• 
  Cardiospermum halicacabum L. Introduced CAHA13

  balloon vine · Sapindaceae 6 counties
• 
  Carduus acanthoides L. Introduced CAAC

  spiny plumeless thistle · Asteraceae 8 counties
• 
  Carduus nutans L. Introduced CANU4

  nodding plumeless thistle · Asteraceae 33 counties
• 
  Carex heterostachya Bung Introduced CAHE27

  different-spike sedge · Cyperaceae 1 county
• 
  Carex spicata Huds. Introduced CASP10

  prickly sedge · Cyperaceae 1 county
• 
  Carum carvi L. Introduced CACA19

  caraway · Apiaceae 15 counties
• 
  Castanea mollissima Blume Introduced CAMO83

  Chinese chestnut · Fagaceae 2 counties
• 
  Celastrus orbiculatus Thunb. Introduced CEOR7

  Oriental bittersweet · Celastraceae 11 counties
• 
  Celosia argentea L. Introduced CEAR3

  silver cock's comb · Amaranthaceae 1 county
• 
  Centaurea calcitrapa L. Introduced CECA2

  red star-thistle · Asteraceae 1 county
• 
  Centaurea cyanus L. Introduced CECY2

  garden cornflower · Asteraceae 26 counties
• 
  Centaurea diffusa Lam. Introduced CEDI3

  diffuse knapweed · Asteraceae 4 counties
• 
  Centaurea jacea L. Introduced CEJA

  brownray knapweed · Asteraceae 6 counties
• 
  Centaurea nigra L. Introduced CENI2

  lesser knapweed · Asteraceae 4 counties
• 
  Centaurea nigrescens Willd. Introduced CENI3

  Tyrol knapweed · Asteraceae 5 counties
• 
  Centaurea solstitialis L. Introduced CESO3

  yellow star-thistle · Asteraceae 1 county