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 3,151–3,200 of 3,775.

• 
  Scrophularia lanceolata Pursh Native SCLA

  lanceleaf figwort · Scrophulariaceae 38 counties
• 
  Scrophularia marilandica L. Native SCMA2

  carpenter's square · Scrophulariaceae 94 counties
• 
  Scutellaria elliptica Muhl. ex Spreng. Native SCEL

  hairy skullcap · Lamiaceae 17 counties
• 
  Scutellaria galericulata L. Native SCGA

  marsh skullcap · Lamiaceae 29 counties
• 
  Scutellaria incana Biehler Native SCIN

  hoary skullcap · Lamiaceae 51 counties
• 
  Scutellaria incana Biehler var. incana Native SCINI2

  hoary skullcap · Lamiaceae 51 counties
• 
  Scutellaria lateriflora L. Native SCLA2

  blue skullcap · Lamiaceae 80 counties
• 
  Scutellaria lateriflora L. var. lateriflora Native SCLAL2

  blue skullcap · Lamiaceae 80 counties
• 
  Scutellaria nervosa Pursh Native SCNE2

  veiny skullcap · Lamiaceae 42 counties
• 
  Scutellaria ovata Hill Native SCOV

  heartleaf skullcap · Lamiaceae 87 counties
• 
  Scutellaria ovata Hill ssp. bracteata (Benth.) Epling Native SCOVB

  heartleaf skullcap · Lamiaceae 1 county
• 
  Scutellaria ovata Hill ssp. ovata Native SCOVO

  heartleaf skullcap · Lamiaceae 87 counties
• 
  Scutellaria ovata Hill ssp. rupestris Epling Native SCOVR2

  heartleaf skullcap · Lamiaceae 3 counties
• 
  Scutellaria parvula Michx. Native SCPA7

  small skullcap · Lamiaceae 82 counties
• 
  Scutellaria parvula Michx. var. australis Fassett Native SCPAA2

  small skullcap · Lamiaceae 9 counties
• 
  Scutellaria parvula Michx. var. missouriensis (Torr.) Goodman & C.A. Lawson Native SCPAM

  Leonard's skullcap · Lamiaceae 54 counties
• 
  Scutellaria parvula Michx. var. parvula Native SCPAP3

  small skullcap · Lamiaceae 10 counties
• 
  Secale cereale L. Introduced SECE

  cereal rye · Poaceae 80 counties
• 
  Securigera varia (L.) Lassen Introduced SEVA4

  crownvetch · Fabaceae 37 counties
• 
  Sedum acre L. Introduced SEAC

  goldmoss stonecrop · Crassulaceae 7 counties
• 
  Sedum pulchellum Michx. Native SEPU

  widowscross · Crassulaceae 11 counties
• 
  Sedum reflexum L. Introduced SERE4

  Jenny's stonecrop · Crassulaceae 1 county
• 
  Sedum sarmentosum Bunge Introduced SESA

  stringy stonecrop · Crassulaceae 11 counties
• 
  Sedum ternatum Michx. Native SETE3

  woodland stonecrop · Crassulaceae 21 counties
• 
  Selaginella apoda (L.) Spring Native SEAP

  meadow spikemoss · Selaginellaceae 23 counties
• 
  Selaginella eclipes W.R. Buck Native SEEC

  hidden spikemoss · Selaginellaceae 14 counties
• 
  Selaginella rupestris (L.) Spring Native SERU

  northern selaginella · Selaginellaceae 12 counties
• 
  Senecio jacobaea L. Introduced SEJA

  stinking willie · Asteraceae 1 county
• 
  Senecio viscosus L. Introduced SEVI2

  sticky ragwort · Asteraceae 2 counties
• 
  Senecio vulgaris L. Introduced SEVU

  old-man-in-the-Spring · Asteraceae 12 counties
• 
  Senna hebecarpa (Fernald) Irwin & Barneby Native SEHE3

  American senna · Fabaceae 38 counties
• 
  Senna marilandica (L.) Link Native SEMA11

  Maryland senna · Fabaceae 60 counties
• 
  Senna obtusifolia (L.) Irwin & Barneby Native SEOB4

  Java-bean · Fabaceae 6 counties
• 
  Senna occidentalis (L.) Link Introduced SEOC2

  septicweed · Fabaceae 1 county
• 
  Sericocarpus linifolius (L.) Britton, Sterns & Poggenb. Native SELI5

  narrowleaf whitetop aster · Asteraceae 1 county
• 
  Sesbania herbacea (Mill.) McVaugh Native SEHE8

  bigpod sesbania · Fabaceae 3 counties
• 
  Setaria faberi Herrm. Introduced SEFA

  Japanese bristlegrass · Poaceae 102 counties
• 
  Setaria italica (L.) P. Beauv. Introduced SEIT

  foxtail millet · Poaceae 37 counties
• 
  Setaria parviflora (Poir.) Kerguélen Native SEPA10

  marsh bristlegrass · Poaceae 13 counties
• 
  Setaria verticillata (L.) P. Beauv. Introduced SEVE3

  hooked bristlegrass · Poaceae 42 counties
• 
  Setaria viridis (L.) P. Beauv. Introduced SEVI4

  green bristlegrass · Poaceae 102 counties
• 
  Setaria viridis (L.) P. Beauv. var. major (Gaudin) Pospichal Introduced SEVIM

  green bristlegrass · Poaceae 3 counties
• 
  Setaria viridis (L.) P. Beauv. var. viridis Introduced SEVIV

  green bristlegrass · Poaceae 102 counties
• 
  Shepherdia canadensis (L.) Nutt. Native SHCA

  russet buffaloberry · Elaeagnaceae 2 counties
• 
  Sherardia arvensis L. Introduced SHAR2

  blue fieldmadder · Rubiaceae 1 county
• 
  Sibara virginica (L.) Rollins Native SIVI2

  Virginia winged rockcress · Brassicaceae 60 counties
• 
  Sibbaldiopsis tridentata (Aiton) Rydb. Native SITR3

  shrubby fivefingers · Rosaceae 1 county
• 
  Sicyos angulatus L. Native SIAN

  oneseed bur cucumber · Cucurbitaceae 65 counties
• 
  Sida elliottii Torr. & A. Gray Native SIEL

  Elliott's fanpetals · Malvaceae 3 counties
• 
  Sida elliottii Torr. & A. Gray var. elliottii Native SIELE

  Elliott's fanpetals · Malvaceae 2 counties