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 2,901–2,950 of 2,969 (native).

• 
  Viola cucullata Aiton Native VICU

  marsh blue violet · Violaceae 37 counties
• 
  Viola labradorica Schrank Native VILA10

  alpine violet · Violaceae 5 counties
• 
  Viola lanceolata L. Native VILA4

  bog white violet · Violaceae 19 counties
• 
  Viola lanceolata L. ssp. lanceolata Native VILAL

  bog white violet · Violaceae 19 counties
• 
  Viola macloskeyi Lloyd Native VIMA2

  small white violet · Violaceae 7 counties
• 
  Viola macloskeyi Lloyd ssp. pallens (Banks ex Ging) M.S. Baker Native VIMAP3

  smooth white violet · Violaceae 7 counties
• 
  Viola missouriensis Greene Native VIMI3

  Missouri violet · Violaceae 57 counties
• 
  Viola nephrophylla Greene Native VINE

  northern bog violet · Violaceae 20 counties
• 
  Viola pedata L. Native VIPE

  birdfoot violet · Violaceae 64 counties
• 
  Viola pedatifida G. Don Native VIPE2

  prairie violet · Violaceae 44 counties
• 
  Viola pubescens Aiton Native VIPU3

  downy yellow violet · Violaceae 90 counties
• 
  Viola pubescens Aiton var. pubescens Native VIPUP2

  downy yellow violet · Violaceae 90 counties
• 
  Viola sagittata Aiton Native VISA2

  arrowleaf violet · Violaceae 61 counties
• 
  Viola sagittata Aiton var. ovata (Nutt.) Torr. & A. Gray Native VISAO

  arrowleaf violet · Violaceae 19 counties
• 
  Viola sagittata Aiton var. sagittata Native VISAS5

  arrowleaf violet · Violaceae 2 counties
• 
  Viola septentrionalis Greene Native VISE5

  northern woodland violet · Violaceae 1 county
• 
  Viola sororia Willd. Native VISO

  common blue violet · Violaceae 102 counties
• 
  Viola striata Aiton Native VIST3

  striped cream violet · Violaceae 55 counties
• 
  Viola triloba Schwein. Native VITR2

  three-lobe violet · Violaceae 48 counties
• 
  Viola triloba Schwein. var. dilatata (Elliott) Brainerd Native VITRD

  three-lobe violet · Violaceae 45 counties
• ⚘
  Viola ×bernardii Greene (pro sp.) [pedatifida × sororia] Native VIBE5

  Bernard violet · Violaceae 1 county
• 
  Viola ×palmata L. (pro sp.) [brittoniana or pedatifida × affinis or sororia] Native VIPA18

  early blue violet · Violaceae 1 county
• 
  Viola ×primulifolia L. (pro sp.) [lanceolata × macloskeyi] Native VIPR4

  Violaceae 3 counties
• 
  Viola ×viarum Pollard [missouriensis or nephrophylla × pedatifida] Native VIVI10

  twoflower violet · Violaceae 3 counties
• 
  Vitis aestivalis Michx. Native VIAE

  summer grape · Vitaceae 73 counties
• 
  Vitis aestivalis Michx. var. aestivalis Native VIAEA2

  summer grape · Vitaceae 4 counties
• 
  Vitis aestivalis Michx. var. bicolor Deam Native VIAEB

  summer grape · Vitaceae 1 county
• 
  Vitis cinerea (Engelm.) Engelm. ex Millard Native VICI2

  graybark grape · Vitaceae 67 counties
• 
  Vitis cinerea (Engelm.) Engelm. ex Millard var. cinerea Native VICIC2

  graybark grape · Vitaceae 66 counties
• 
  Vitis labrusca L. Native VILA8

  fox grape · Vitaceae 2 counties
• 
  Vitis palmata Vahl Native VIPA7

  catbird grape · Vitaceae 22 counties
• 
  Vitis riparia Michx. Native VIRI

  riverbank grape · Vitaceae 94 counties
• 
  Vitis rupestris Scheele Native VIRU2

  sand grape · Vitaceae 3 counties
• 
  Vitis vulpina L. Native VIVU

  frost grape · Vitaceae 83 counties
• 
  Vulpia elliotea (Raf.) Fernald Native VUEL

  squirreltail fescue · Poaceae 1 county
• 
  Vulpia octoflora (Walter) Rydb. Native VUOC

  sixweeks fescue · Poaceae 79 counties
• 
  Vulpia octoflora (Walter) Rydb. var. glauca (Nutt.) Fernald Native VUOCG

  sixweeks fescue · Poaceae 51 counties
• 
  Vulpia octoflora (Walter) Rydb. var. octoflora Native VUOCO

  sixweeks fescue · Poaceae 69 counties
• 
  Waldsteinia fragarioides (Michx.) Tratt. Native WAFR

  Appalachian barren strawberry · Rosaceae 1 county
• 
  Waldsteinia fragarioides (Michx.) Tratt. ssp. fragarioides Native WAFRF

  Appalachian barren strawberry · Rosaceae 1 county
• 
  Wisteria frutescens (L.) Poir. Native WIFR

  American wisteria · Fabaceae 18 counties
• 
  Wolffia borealis (Engelm. ex Hegelm.) Landolt ex Landolt & Wildi Native WOBO

  northern watermeal · Lemnaceae 9 counties
• 
  Wolffia brasiliensis Weddell Native WOBR

  Brazilian watermeal · Lemnaceae 18 counties
• 
  Wolffia columbiana Karst. Native WOCO

  Columbian watermeal · Lemnaceae 58 counties
• 
  Wolffiella gladiata (Hegelm.) Hegelm. Native WOGL2

  Florida mudmidget · Lemnaceae 10 counties
• 
  Woodsia ilvensis (L.) R. Br. Native WOIL

  rusty woodsia · Dryopteridaceae 3 counties
• 
  Woodsia obtusa (Spreng.) Torr. Native WOOB2

  bluntlobe cliff fern · Dryopteridaceae 71 counties
• 
  Woodsia obtusa (Spreng.) Torr. ssp. obtusa Native WOOBO

  bluntlobe cliff fern · Dryopteridaceae 71 counties
• 
  Woodwardia areolata (L.) T. Moore Native WOAR

  netted chainfern · Blechnaceae 6 counties
• 
  Woodwardia virginica (L.) Sm. Native WOVI

  Virginia chainfern · Blechnaceae 1 county