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 3,401–3,450 of 3,775.

• 
  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
• 
  Symphyotrichum novae-angliae (L.) G.L. Nesom Native SYNO2

  New England aster · Asteraceae 89 counties
• 
  Symphyotrichum oblongifolium (Nutt.) G.L. Nesom Native SYOB

  aromatic aster · Asteraceae 40 counties
• 
  Symphyotrichum ontarionis (Wiegand) G.L. Nesom Native SYON2

  bottomland aster · Asteraceae 69 counties
• 
  Symphyotrichum oolentangiense (Riddell) G.L. Nesom Native SYOO

  skyblue aster · Asteraceae 59 counties
• 
  Symphyotrichum oolentangiense (Riddell) G.L. Nesom var. oolentangiense Native SYOOO

  skyblue aster · Asteraceae 59 counties
• 
  Symphyotrichum parviceps (Burgess) G.L. Nesom Native SYPA10

  smallhead aster · Asteraceae 24 counties
• 
  Symphyotrichum patens (Aiton) G.L. Nesom Native SYPA11

  late purple aster · Asteraceae 25 counties
• 
  Symphyotrichum patens (Aiton) G.L. Nesom var. patens Native SYPAP2

  late purple aster · Asteraceae 24 counties
• 
  Symphyotrichum patens (Aiton) G.L. Nesom var. patentissimum (Lindl. ex DC.) G.L. Nesom Native SYPAP

  late purple aster · Asteraceae 2 counties
• 
  Symphyotrichum pilosum (Willd.) G.L. Nesom Native SYPI2

  hairy white oldfield aster · Asteraceae 102 counties
• 
  Symphyotrichum pilosum (Willd.) G.L. Nesom var. pilosum Native SYPIP3

  hairy white oldfield aster · Asteraceae 102 counties
• 
  Symphyotrichum pilosum (Willd.) G.L. Nesom var. pringlei (A. Gray) G.L. Nesom Native SYPIP2

  Pringle's aster · Asteraceae 1 county
• 
  Symphyotrichum praealtum (Poir.) G.L. Nesom Native SYPR5

  willowleaf aster · Asteraceae 78 counties
• 
  Symphyotrichum praealtum (Poir.) G.L. Nesom var. praealtum Native SYPRP

  willowleaf aster · Asteraceae 77 counties
• 
  Symphyotrichum prenanthoides (Muhl. ex Willd.) G.L. Nesom Native SYPR6

  crookedstem aster · Asteraceae 7 counties
• 
  Symphyotrichum puniceum (L.) Á. Löve & D. Löve Native SYPU

  purplestem aster · Asteraceae 40 counties
• 
  Symphyotrichum puniceum (L.) Á. Löve & D. Löve var. puniceum Native SYPUP

  purplestem aster · Asteraceae 40 counties
• 
  Symphyotrichum racemosum (Elliott) G.L. Nesom Native SYRA5

  smooth white oldfield aster · Asteraceae 1 county
• 
  Symphyotrichum sericeum (Vent.) G.L. Nesom Native SYSE2

  western silver aster · Asteraceae 37 counties
• 
  Symphyotrichum shortii (Lindl.) G.L. Nesom Native SYSH

  Short's aster · Asteraceae 71 counties
• 
  Symphyotrichum turbinellum (Lindl.) G.L. Nesom Native SYTU2

  smooth violet prairie aster · Asteraceae 41 counties
• 
  Symphyotrichum undulatum (L.) G.L. Nesom Native SYUN

  wavyleaf aster · Asteraceae 7 counties
• 
  Symphyotrichum urophyllum (Lindl.) G.L. Nesom Native SYUR

  white arrowleaf aster · Asteraceae 3 counties
• ⚘
  Symphyotrichum ×amethystinum (Nutt.) G.L. Nesom [ericoides × novae-angliae] Native SYAM3

  aster · Asteraceae 7 counties