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 1,951–2,000 of 2,969 (native).

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  Penstemon tubaeflorus Nutt. Native PETU

  white wand beardtongue · Scrophulariaceae 19 counties
• 
  Penstemon tubaeflorus Nutt. var. tubaeflorus Native PETUT

  white wand beardtongue · Scrophulariaceae 19 counties
• 
  Penthorum sedoides L. Native PESE6

  ditch stonecrop · Crassulaceae 100 counties
• 
  Perideridia americana (Nutt. ex DC.) Rchb. Native PEAM2

  eastern yampah · Apiaceae 43 counties
• 
  Phacelia bipinnatifida Michx. Native PHBI2

  fernleaf phacelia · Hydrophyllaceae 30 counties
• 
  Phacelia gilioides Brand Native PHGI

  Brand's phacelia · Hydrophyllaceae 4 counties
• 
  Phacelia purshii Buckley Native PHPU3

  Miami mist · Hydrophyllaceae 22 counties
• 
  Phacelia ranunculacea (Nutt.) Constance Native PHRA3

  oceanblue phacelia · Hydrophyllaceae 9 counties
• 
  Phalaris arundinacea L. Native PHAR3

  reed canarygrass · Poaceae 74 counties
• 
  Phaseolus polystachios (L.) Britton, Sterns & Poggenb. Native PHPO2

  thicket bean · Fabaceae 16 counties
• 
  Phaseolus polystachios (L.) Britton, Sterns & Poggenb. var. polystachios Native PHPOP

  thicket bean · Fabaceae 16 counties
• 
  Phegopteris connectilis (Michx.) Watt Native PHCO24

  long beechfern · Thelypteridaceae 8 counties
• 
  Phegopteris hexagonoptera (Michx.) Fée Native PHHE11

  broad beechfern · Thelypteridaceae 61 counties
• 
  Phemeranthus calycinus (Engelm.) Kiger Native PHCA48

  largeflower fameflower · Portulacaceae 2 counties
• 
  Phemeranthus parviflorus (Nutt.) Kiger Native PHPA29

  sunbright · Portulacaceae 4 counties
• 
  Phemeranthus rugospermus (Holz.) Kiger Native PHRU8

  prairie fameflower · Portulacaceae 14 counties
• 
  Philadelphus inodorus L. Native PHIN5

  scentless mock orange · Hydrangeaceae 1 county
• 
  Philadelphus pubescens Loisel. Native PHPU4

  hoary mock orange · Hydrangeaceae 3 counties
• 
  Philadelphus pubescens Loisel. var. intectus (Beadle) A.H. Moore Native PHPUI2

  hoary mock orange · Hydrangeaceae 1 county
• 
  Philadelphus pubescens Loisel. var. pubescens Native PHPUP

  hoary mock orange · Hydrangeaceae 3 counties
• 
  Phlox bifida Beck Native PHBI3

  cleft phlox · Polemoniaceae 36 counties
• 
  Phlox bifida Beck ssp. bifida Native PHBIB

  cleft phlox · Polemoniaceae 35 counties
• 
  Phlox bifida Beck ssp. stellaria (A. Gray) Wherry Native PHBIS

  cleft phlox · Polemoniaceae 5 counties
• 
  Phlox carolina L. Native PHCA19

  thickleaf phlox · Polemoniaceae 2 counties
• 
  Phlox carolina L. ssp. angusta Wherry Native PHCAA2

  thickleaf phlox · Polemoniaceae 2 counties
• 
  Phlox divaricata L. Native PHDI5

  wild blue phlox · Polemoniaceae 100 counties
• 
  Phlox divaricata L. ssp. laphamii (Alph. Wood) Wherry Native PHDIL6

  Lapham's phlox · Polemoniaceae 100 counties
• 
  Phlox glaberrima L. Native PHGL4

  smooth phlox · Polemoniaceae 75 counties
• 
  Phlox glaberrima L. ssp. glaberrima Native PHGLG2

  smooth phlox · Polemoniaceae 1 county
• 
  Phlox glaberrima L. ssp. interior (Wherry) Wherry Native PHGLI

  smooth phlox · Polemoniaceae 75 counties
• 
  Phlox glaberrima L. ssp. triflora (Michx.) Wherry Native PHGLT

  smooth phlox · Polemoniaceae 1 county
• 
  Phlox maculata L. Native PHMA4

  wild sweetwilliam · Polemoniaceae 18 counties
• 
  Phlox maculata L. ssp. pyramidalis (Sm.) Wherry Native PHMAP3

  wild sweetwilliam · Polemoniaceae 3 counties
• 
  Phlox paniculata L. Native PHPA9

  fall phlox · Polemoniaceae 79 counties
• 
  Phlox pilosa L. Native PHPI

  downy phlox · Polemoniaceae 86 counties
• 
  Phlox pilosa L. ssp. fulgida (Wherry) Wherry Native PHPIF2

  downy phlox · Polemoniaceae 6 counties
• 
  Phlox pilosa L. ssp. pilosa Native PHPIP2

  downy phlox · Polemoniaceae 85 counties
• 
  Phlox pilosa L. ssp. sangamonensis Levin & D.M. Sm. Native PHPIS

  downy phlox · Polemoniaceae 2 counties
• 
  Phlox subulata L. Native PHSU3

  moss phlox · Polemoniaceae 1 county
• 
  Phlox subulata L. ssp. subulata Native PHSUS2

  moss phlox · Polemoniaceae 1 county
• 
  Phoradendron leucarpum (Raf.) Reveal & M.C. Johnst. Native PHLE14

  oak mistletoe · Viscaceae 21 counties
• 
  Phragmites australis (Cav.) Trin. ex Steud. ssp. americanus Saltonst., P.M. Peterson & Soreng Native PHAUA6

  American common reed · Poaceae 1 county
• 
  Phryma leptostachya L. Native PHLE5

  American lopseed · Verbenaceae 92 counties
• 
  Phyla cuneifolia (Torr.) Greene Native PHCU3

  wedgeleaf · Verbenaceae 1 county
• 
  Phyla lanceolata (Michx.) Greene Native PHLA3

  lanceleaf fogfruit · Verbenaceae 101 counties
• 
  Phyllanthus caroliniensis Walter Native PHCA9

  Carolina leaf-flower · Euphorbiaceae 27 counties
• 
  Phyllanthus caroliniensis Walter ssp. caroliniensis Native PHCAC

  Carolina leaf-flower · Euphorbiaceae 27 counties
• 
  Physalis angulata L. Native PHAN5

  cutleaf groundcherry · Solanaceae 19 counties
• 
  Physalis grisea (Waterf.) M. Martínez Native PHGR22

  strawberry-tomato · Solanaceae 26 counties
• 
  Physalis heterophylla Nees Native PHHE5

  clammy groundcherry · Solanaceae 92 counties