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 51–100 of 2,969 (native).

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  Agalinis tenuifolia (Vahl) Raf. var. tenuifolia Native AGTET

  slenderleaf false foxglove · Scrophulariaceae 85 counties
• 
  Agastache foeniculum (Pursh) Kuntze Native AGFO

  blue giant hyssop · Lamiaceae 1 county
• 
  Agastache nepetoides (L.) Kuntze Native AGNE2

  yellow giant hyssop · Lamiaceae 79 counties
• 
  Agastache scrophulariifolia (Willd.) Kuntze Native AGSC

  purple giant hyssop · Lamiaceae 45 counties
• 
  Ageratina altissima (L.) R.M. King & H. Rob. Native AGAL5

  white snakeroot · Asteraceae 101 counties
• 
  Ageratina altissima (L.) R.M. King & H. Rob. var. altissima Native AGALA

  white snakeroot · Asteraceae 101 counties
• 
  Agrimonia gryposepala Wallr. Native AGGR2

  tall hairy agrimony · Rosaceae 53 counties
• 
  Agrimonia microcarpa Wallr. Native AGMI2

  smallfruit agrimony · Rosaceae 1 county
• 
  Agrimonia parviflora Aiton Native AGPA6

  harvestlice · Rosaceae 69 counties
• 
  Agrimonia pubescens Wallr. Native AGPU

  soft agrimony · Rosaceae 83 counties
• 
  Agrimonia rostellata Wallr. Native AGRO3

  beaked agrimony · Rosaceae 59 counties
• 
  Agrostis elliottiana Schult. Native AGEL4

  Elliott's bentgrass · Poaceae 20 counties
• 
  Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. Native AGHY

  winter bentgrass · Poaceae 81 counties
• 
  Agrostis perennans (Walter) Tuck. Native AGPE

  upland bentgrass · Poaceae 64 counties
• 
  Agrostis scabra Willd. Native AGSC5

  rough bentgrass · Poaceae 23 counties
• 
  Aletris farinosa L. Native ALFA2

  white colicroot · Liliaceae 8 counties
• 
  Alisma subcordatum Raf. Native ALSU

  American water plantain · Alismataceae 97 counties
• 
  Alisma triviale Pursh Native ALTR7

  northern water plantain · Alismataceae 23 counties
• 
  Allium burdickii (Hanes) A.G. Jones Native ALBU2

  narrowleaf wild leek · Liliaceae 6 counties
• 
  Allium canadense L. Native ALCA3

  meadow garlic · Liliaceae 102 counties
• 
  Allium canadense L. var. canadense Native ALCAC

  meadow garlic · Liliaceae 2 counties
• 
  Allium canadense L. var. mobilense (Regel) Ownbey Native ALCAM

  meadow garlic · Liliaceae 10 counties
• 
  Allium cernuum Roth Native ALCE2

  nodding onion · Liliaceae 14 counties
• 
  Allium cernuum Roth var. cernuum Native ALCEC2

  nodding onion · Liliaceae 14 counties
• 
  Allium schoenoprasum L. var. sibiricum (L.) Hartm. Native ALSCS

  wild chives · Liliaceae 1 county
• 
  Allium stellatum Fraser ex Ker Gawl. Native ALST

  autumn onion · Liliaceae 5 counties
• 
  Allium tricoccum Aiton Native ALTR3

  ramp · Liliaceae 56 counties
• 
  Alnus incana (L.) Moench Native ALIN2

  gray alder · Betulaceae 6 counties
• 
  Alnus incana (L.) Moench ssp. rugosa (Du Roi) R.T. Clausen Native ALINR

  speckled alder · Betulaceae 6 counties
• 
  Alnus serrulata (Aiton) Willd. Native ALSE2

  hazel alder · Betulaceae 12 counties
• 
  Alopecurus aequalis Sobol. Native ALAE

  shortawn foxtail · Poaceae 18 counties
• 
  Alopecurus aequalis Sobol. var. aequalis Native ALAEA

  shortawn foxtail · Poaceae 18 counties
• 
  Alopecurus carolinianus Walter Native ALCA4

  Carolina foxtail · Poaceae 80 counties
• 
  Amaranthus arenicola I.M. Johnst. Native AMAR

  sandhill amaranth · Amaranthaceae 2 counties
• 
  Amaranthus hybridus L. Native AMHY

  slim amaranth · Amaranthaceae 82 counties
• 
  Amaranthus palmeri S. Watson Native AMPA

  carelessweed · Amaranthaceae 7 counties
• 
  Amaranthus powellii S. Watson Native AMPO2

  Powell's amaranth · Amaranthaceae 19 counties
• 
  Amaranthus powellii S. Watson ssp. powellii Native AMPOP

  Powell's amaranth · Amaranthaceae 19 counties
• 
  Amaranthus retroflexus L. Native AMRE

  redroot amaranth · Amaranthaceae 85 counties
• 
  Amaranthus spinosus L. Native AMSP

  spiny amaranth · Amaranthaceae 65 counties
• 
  Amaranthus tuberculatus (Moq.) Sauer Native AMTU

  roughfruit amaranth · Amaranthaceae 82 counties
• 
  Ambrosia bidentata Michx. Native AMBI2

  lanceleaf ragweed · Asteraceae 54 counties
• 
  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae 41 counties
• 
  Ambrosia tomentosa Nutt. Native AMTO3

  skeletonleaf bur ragweed · Asteraceae 2 counties
• 
  Ambrosia trifida L. Native AMTR

  great ragweed · Asteraceae 102 counties
• 
  Ambrosia trifida L. var. trifida Native AMTRT2

  great ragweed · Asteraceae 3 counties
• 
  Amelanchier arborea (Michx. f.) Fernald Native AMAR3

  common serviceberry · Rosaceae 70 counties
• 
  Amelanchier arborea (Michx. f.) Fernald var. arborea Native AMARA4

  common serviceberry · Rosaceae 69 counties
• 
  Amelanchier humilis Wiegand Native AMHU2

  low serviceberry · Rosaceae 15 counties
• 
  Amelanchier interior E.L. Nielsen Native AMIN2

  inland serviceberry · Rosaceae 3 counties