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 351–400 of 2,969 (native).

• 
  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
• 
  Brunnichia ovata (Walter) Shinners Native BROV4

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

  American bluehearts · Scrophulariaceae 14 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
• 
  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 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
• 
  Callirhoe involucrata (Torr. & A. Gray) A. Gray var. involucrata Native CAINI4

  purple poppymallow · Malvaceae 9 counties
• 
  Callirhoe triangulata (Leavenworth) A. Gray Native CATR

  clustered poppymallow · Malvaceae 27 counties
• 
  Callitriche heterophylla Pursh Native CAHE3

  twoheaded water-starwort · Callitrichaceae 37 counties
• 
  Callitriche heterophylla Pursh ssp. heterophylla Native CAHEH

  twoheaded water-starwort · Callitrichaceae 37 counties
• 
  Callitriche palustris L. Native CAPA52

  vernal water-starwort · Callitrichaceae 13 counties
• 
  Callitriche terrestris Raf. Native CATE19

  terrestrial water-starwort · Callitrichaceae 50 counties
• 
  Calopogon oklahomensis D.H. Goldman Native CAOK2

  Oklahoma grasspink · Orchidaceae 1 county
• 
  Calopogon tuberosus (L.) Britton, Sterns & Poggenb. Native CATU5

  tuberous grasspink · Orchidaceae 21 counties
• 
  Calopogon tuberosus (L.) Britton, Sterns & Poggenb. var. tuberosus Native CATUT

  tuberous grasspink · Orchidaceae 21 counties
• 
  Caltha palustris L. Native CAPA5

  yellow marsh marigold · Ranunculaceae 41 counties
• 
  Caltha palustris L. var. palustris Native CAPAP6

  yellow marsh marigold · Ranunculaceae 41 counties
• 
  Calycanthus floridus L. Native CAFL22

  eastern sweetshrub · Calycanthaceae 1 county
• 
  Calycanthus floridus L. var. glaucus (Willd.) Torr. & A. Gray Native CAFLG

  eastern sweetshrub · Calycanthaceae 1 county
• 
  Calycocarpum lyonii (Pursh) A. Gray Native CALY2

  cupseed · Menispermaceae 12 counties
• 
  Calylophus serrulatus (Nutt.) P.H. Raven Native CASE12

  yellow sundrops · Onagraceae 4 counties
• 
  Calystegia sepium (L.) R. Br. ssp. americana (Sims) Brummitt Native CASEA2

  hedge false bindweed · Convolvulaceae 90 counties
• 
  Calystegia sepium (L.) R. Br. ssp. angulata Brummitt Native CASEA3

  hedge false bindweed · Convolvulaceae 3 counties
• 
  Calystegia sepium (L.) R. Br. ssp. erratica Brummitt Native CASEE

  hedge false bindweed · Convolvulaceae 1 county
• 
  Calystegia silvatica (Kit.) Griseb. ssp. fraterniflora (Mack. & Bush) Brummitt Native CASIF

  shortstalk false bindweed · Convolvulaceae 18 counties
• 
  Calystegia spithamaea (L.) Pursh Native CASP14

  low false bindweed · Convolvulaceae 35 counties
• 
  Calystegia spithamaea (L.) Pursh ssp. spithamaea Native CASPS2

  low false bindweed · Convolvulaceae 35 counties
• 
  Camassia angusta (Engelm. & A. Gray) Blank. Native CAAN2

  prairie camas · Liliaceae 2 counties
• 
  Camassia scilloides (Raf.) Cory Native CASC5

  Atlantic camas · Liliaceae 72 counties
• 
  Campanula aparinoides Pursh Native CAAP2

  marsh bellflower · Campanulaceae 27 counties
• 
  Campanula rotundifolia L. Native CARO2

  bluebell bellflower · Campanulaceae 19 counties
• 
  Campanulastrum americanum (L.) Small Native CAAM18

  American bellflower · Campanulaceae 96 counties
• 
  Campsis radicans (L.) Seem. ex Bureau Native CARA2

  trumpet creeper · Bignoniaceae 84 counties
• 
  Cardamine bulbosa (Schreb. ex Muhl.) Britton, Sterns & Poggenb. Native CABU3

  bulbous bittercress · Brassicaceae 81 counties