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 451–500 of 3,775.

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  Brickellia eupatorioides (L.) Shinners var. corymbulosa (Torr. & A. Gray) Shinners Native BREUC

  false boneset · Asteraceae 3 counties
• 
  Brickellia eupatorioides (L.) Shinners var. eupatorioides Native BREUE

  false boneset · Asteraceae 4 counties
• 
  Briza maxima L. Introduced BRMA

  big quakinggrass · Poaceae 1 county
• 
  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 ciliatus L. Native BRCI2

  fringed brome · Poaceae 47 counties
• 
  Bromus ciliatus L. var. ciliatus Native BRCIC3

  fringed brome · Poaceae 46 counties
• 
  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. Both BRIN2

  smooth brome · Poaceae 102 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 kalmii A. Gray Native BRKA2

  arctic brome · Poaceae 18 counties
• 
  Bromus latiglumis (Shear) Hitchc. Native BRLA4

  earlyleaf brome · Poaceae 34 counties
• 
  Bromus marginatus Nees ex Steud. Native BRMA4

  mountain brome · Poaceae 3 counties
• 
  Bromus nottowayanus Fernald Native BRNO

  Nottoway Valley brome · Poaceae 5 counties
• 
  Bromus pubescens Muhl. ex Willd. Native BRPU6

  hairy woodland brome · Poaceae 87 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
• 
  Brunnichia ovata (Walter) Shinners Native BROV4

  American buckwheat vine · Polygonaceae 8 counties
• 
  Buchnera americana L. Native BUAM

  American bluehearts · Scrophulariaceae 14 counties
• 
  Buglossoides arvensis (L.) I.M. Johnst. Introduced BUAR3

  corn gromwell · Boraginaceae 71 counties
• 
  Bulbostylis capillaris (L.) Kunth ex C.B. Clarke Native BUCA2

  densetuft hairsedge · Cyperaceae 35 counties
• 
  Bulbostylis capillaris (L.) Kunth ex C.B. Clarke ssp. capillaris Native BUCAC

  densetuft hairsedge · Cyperaceae 35 counties
• 
  Bupleurum rotundifolium L. Introduced BURO

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

  flowering rush · Butomaceae 1 county
• 
  Cabomba caroliniana A. Gray Native CACA

  Carolina fanwort · Cabombaceae 10 counties
• 
  Cabomba caroliniana A. Gray var. caroliniana Native CACAC4

  Carolina fanwort · Cabombaceae 10 counties
• 
  Cakile edentula (Bigelow) Hook. Native CAED

  American searocket · Brassicaceae 2 counties
• 
  Cakile edentula (Bigelow) Hook. ssp. edentula Native CAEDE

  American searocket · Brassicaceae 2 counties
• 
  Cakile edentula (Bigelow) Hook. ssp. edentula var. lacustris Fernald Native CAEDL2

  American searocket · Brassicaceae 2 counties
• 
  Calamagrostis canadensis (Michx.) P. Beauv. Native CACA4

  bluejoint · Poaceae 59 counties
• 
  Calamagrostis canadensis (Michx.) P. Beauv. var. canadensis Native CACAC10

  bluejoint · Poaceae 52 counties
• 
  Calamagrostis canadensis (Michx.) P. Beauv. var. macouniana (Vasey) Stebbins Native CACAM

  Macoun's reedgrass · Poaceae 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
• 
  Calamagrostis stricta (Timm) Koeler Native CAST36

  slimstem reedgrass · Poaceae 9 counties
• 
  Calamagrostis stricta (Timm) Koeler ssp. inexpansa (A. Gray) C.W. Greene Native CASTI3

  northern reedgrass · Poaceae 9 counties
• 
  Calamovilfa longifolia (Hook.) Scribn. Native CALO

  prairie sandreed · Poaceae 15 counties
• 
  Calla palustris L. Native CAPA

  water arum · Araceae 1 county
• 
  Callirhoe alcaeoides (Michx.) A. Gray Native CAAL

  light poppymallow · Malvaceae 5 counties
• 
  Callirhoe digitata Nutt. Native CADI2

  winecup · Malvaceae 4 counties
• 
  Callirhoe involucrata (Torr. & A. Gray) A. Gray Native CAIN2

  purple poppymallow · Malvaceae 9 counties