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 2,651–2,700 of 2,969 (native).

• 
  Stachys clingmanii Small Native STCL

  Clingman's hedgenettle · Lamiaceae 4 counties
• 
  Stachys cordata Riddell Native STCO9

  heartleaf hedgenettle · Lamiaceae 1 county
• 
  Stachys hyssopifolia Michx. Native STHY3

  hyssopleaf hedgenettle · Lamiaceae 45 counties
• 
  Stachys palustris L. Native STPA

  marsh hedgenettle · Lamiaceae 65 counties
• 
  Stachys pilosa Nutt. Native STPI6

  hairy hedgenettle · Lamiaceae 68 counties
• 
  Stachys pilosa Nutt. var. arenicola (Britton) G. Mulligan & D. Munro Native STPIA

  hairy hedgenettle · Lamiaceae 66 counties
• 
  Stachys pilosa Nutt. var. pilosa Native STPIP5

  hairy hedgenettle · Lamiaceae 67 counties
• 
  Stachys tenuifolia Willd. Native STTE

  smooth hedgenettle · Lamiaceae 95 counties
• 
  Staphylea trifolia L. Native STTR

  American bladdernut · Staphyleaceae 102 counties
• 
  Steinchisma hians (Elliott) Nash Native STHI3

  gaping grass · Poaceae 2 counties
• 
  Stellaria longifolia Muhl. ex Willd. Native STLO

  longleaf starwort · Caryophyllaceae 42 counties
• 
  Stellaria longifolia Muhl. ex Willd. var. longifolia Native STLOL

  longleaf starwort · Caryophyllaceae 42 counties
• 
  Stellaria pubera Michx. Native STPU

  star chickweed · Caryophyllaceae 2 counties
• 
  Stenanthium gramineum (Ker Gawl.) Morong Native STGR2

  eastern featherbells · Liliaceae 11 counties
• 
  Stenanthium gramineum (Ker Gawl.) Morong var. gramineum Native STGRG2

  eastern featherbells · Liliaceae 10 counties
• 
  Stenaria nigricans (Lam.) Terrell Native STNI6

  diamond-flowers · Rubiaceae 10 counties
• 
  Stenaria nigricans (Lam.) Terrell var. nigricans Native STNIN

  diamondflowers · Rubiaceae 10 counties
• 
  Strophostyles helvola (L.) Elliott Native STHE9

  amberique-bean · Fabaceae 81 counties
• 
  Strophostyles leiosperma (Torr. & A. Gray) Piper Native STLE6

  slickseed fuzzybean · Fabaceae 67 counties
• 
  Strophostyles umbellata (Muhl. ex Willd.) Britton Native STUM2

  pink fuzzybean · Fabaceae 16 counties
• 
  Stuckenia pectinata (L.) Börner Native STPE15

  sago pondweed · Potamogetonaceae 67 counties
• 
  Stylisma pickeringii (Torr. ex M.A. Curtis) A. Gray Native STPI3

  Pickering's dawnflower · Convolvulaceae 3 counties
• 
  Stylisma pickeringii (Torr. ex M.A. Curtis) A. Gray var. pattersonii (Fernald & B.G. Schub.) Myint Native STPIP2

  Patterson's dawnflower · Convolvulaceae 3 counties
• 
  Stylophorum diphyllum (Michx.) Nutt. Native STDI3

  celandine poppy · Papaveraceae 13 counties
• 
  Stylosanthes biflora (L.) Britton, Sterns & Poggenb. Native STBI2

  sidebeak pencilflower · Fabaceae 23 counties
• 
  Styrax americanus Lam. Native STAM4

  American snowbell · Styracaceae 11 counties
• 
  Styrax grandifolius Aiton Native STGR4

  bigleaf snowbell · Styracaceae 1 county
• 
  Suaeda calceoliformis (Hook.) Moq. Native SUCA2

  Pursh seepweed · Chenopodiaceae 5 counties
• 
  Sullivantia sullivantii (Torr. & A. Gray) Britton Native SUSU3

  Sullivant's coolwort · Saxifragaceae 6 counties
• 
  Symphoricarpos albus (L.) S.F. Blake Native SYAL

  common snowberry · Caprifoliaceae 9 counties
• 
  Symphoricarpos albus (L.) S.F. Blake var. laevigatus (Fernald) S.F. Blake Native SYALL

  common snowberry · Caprifoliaceae 9 counties
• 
  Symphoricarpos occidentalis Hook. Native SYOC

  western snowberry · Caprifoliaceae 19 counties
• 
  Symphoricarpos orbiculatus Moench Native SYOR

  coralberry · Caprifoliaceae 84 counties
• 
  Symphyotrichum anomalum (Engelm.) G.L. Nesom Native SYAN2

  manyray aster · Asteraceae 29 counties
• 
  Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve Native SYBO2

  northern bog aster · Asteraceae 7 counties
• 
  Symphyotrichum ciliatum (Ledeb.) G.L. Nesom Native SYCI2

  rayless alkali aster · Asteraceae 5 counties
• 
  Symphyotrichum cordifolium (L.) G.L. Nesom Native SYCO4

  common blue wood aster · Asteraceae 78 counties
• 
  Symphyotrichum drummondii (Lindl.) G.L. Nesom Native SYDR

  Drummond's aster · Asteraceae 77 counties
• 
  Symphyotrichum drummondii (Lindl.) G.L. Nesom var. drummondii Native SYDRD

  Drummond's aster · Asteraceae 77 counties
• 
  Symphyotrichum dumosum (L.) G.L. Nesom Native SYDU2

  rice button aster · Asteraceae 14 counties
• 
  Symphyotrichum dumosum (L.) G.L. Nesom var. dumosum Native SYDUD2

  rice button aster · Asteraceae 14 counties
• 
  Symphyotrichum ericoides (L.) G.L. Nesom Native SYER

  white heath aster · Asteraceae 88 counties
• 
  Symphyotrichum ericoides (L.) G.L. Nesom var. ericoides Native SYERE

  white heath aster · Asteraceae 88 counties
• 
  Symphyotrichum laeve (L.) Á. Löve & D. Löve Native SYLA3

  smooth blue aster · Asteraceae 57 counties
• 
  Symphyotrichum laeve (L.) Á. Löve & D. Löve var. laeve Native SYLAL3

  smooth blue aster · Asteraceae 57 counties
• 
  Symphyotrichum lanceolatum (Willd.) G.L. Nesom Native SYLA6

  white panicle aster · Asteraceae 81 counties
• 
  Symphyotrichum lanceolatum (Willd.) G.L. Nesom ssp. lanceolatum Native SYLAL6

  white panicle aster · Asteraceae 81 counties
• 
  Symphyotrichum lanceolatum (Willd.) G.L. Nesom ssp. lanceolatum var. lanceolatum Native SYLAL4

  white panicle aster · Asteraceae 81 counties
• 
  Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve Native SYLA4

  calico aster · Asteraceae 92 counties
• 
  Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var. lateriflorum Native SYLAL7

  calico aster · Asteraceae 92 counties