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 3,001–3,050 of 3,775.

• 
  Rudbeckia fulgida Aiton var. speciosa (Wender.) Perdue Native RUFUS3

  orange coneflower · Asteraceae 11 counties
• 
  Rudbeckia grandiflora (D. Don) J.F. Gmel. ex DC. Native RUGR

  rough coneflower · Asteraceae 1 county
• 
  Rudbeckia grandiflora (D. Don) J.F. Gmel. ex DC. var. grandiflora Native RUGRG

  rough coneflower · Asteraceae 1 county
• 
  Rudbeckia hirta L. Native RUHI2

  blackeyed Susan · Asteraceae 102 counties
• 
  Rudbeckia hirta L. var. pulcherrima Farw. Native RUHIP

  blackeyed Susan · Asteraceae 3 counties
• 
  Rudbeckia laciniata L. Native RULA3

  cutleaf coneflower · Asteraceae 82 counties
• 
  Rudbeckia laciniata L. var. laciniata Native RULAL

  cutleaf coneflower · Asteraceae 82 counties
• 
  Rudbeckia missouriensis Engelm. ex C.L. Boynt. & Beadle Native RUMI

  Missouri orange coneflower · Asteraceae 3 counties
• 
  Rudbeckia subtomentosa Pursh Native RUSU

  sweet coneflower · Asteraceae 70 counties
• 
  Rudbeckia triloba L. Native RUTR2

  browneyed Susan · Asteraceae 85 counties
• 
  Rudbeckia triloba L. var. triloba Native RUTRT

  browneyed Susan · Asteraceae 85 counties
• 
  Ruellia caroliniensis (J.F. Gmel.) Steud. Native RUCA4

  Carolina wild petunia · Acanthaceae 9 counties
• 
  Ruellia caroliniensis (J.F. Gmel.) Steud. ssp. caroliniensis Native RUCAC2

  Carolina wild petunia · Acanthaceae 9 counties
• 
  Ruellia caroliniensis (J.F. Gmel.) Steud. ssp. caroliniensis var. caroliniensis Native RUCAC4

  Carolina wild petunia · Acanthaceae 9 counties
• 
  Ruellia humilis Nutt. Native RUHU

  fringeleaf wild petunia · Acanthaceae 90 counties
• 
  Ruellia pedunculata Torr. ex A. Gray Native RUPE4

  stalked wild petunia · Acanthaceae 15 counties
• 
  Ruellia pedunculata Torr. ex A. Gray ssp. pedunculata Native RUPEP2

  stalked wild petunia · Acanthaceae 14 counties
• 
  Ruellia strepens L. Native RUST2

  limestone wild petunia · Acanthaceae 72 counties
• 
  Rumex acetosella L. Introduced RUAC3

  common sheep sorrel · Polygonaceae 102 counties
• 
  Rumex altissimus Alph. Wood Native RUAL4

  pale dock · Polygonaceae 92 counties
• 
  Rumex crispus L. Introduced RUCR

  curly dock · Polygonaceae 95 counties
• 
  Rumex crispus L. ssp. crispus Introduced RUCRC

  curly dock · Polygonaceae 95 counties
• 
  Rumex cristatus DC. Introduced RUCR2

  Greek dock · Polygonaceae 4 counties
• 
  Rumex dentatus L. Introduced RUDE3

  toothed dock · Polygonaceae 1 county
• 
  Rumex hastatulus Baldw. Native RUHA2

  heartwing sorrel · Polygonaceae 3 counties
• 
  Rumex longifolius DC. Introduced RULO2

  dooryard dock · Polygonaceae 2 counties
• 
  Rumex maritimus L. Native RUMA4

  golden dock · Polygonaceae 14 counties
• 
  Rumex obtusifolius L. Introduced RUOB

  bitter dock · Polygonaceae 60 counties
• 
  Rumex orbiculatus A. Gray Native RUOR2

  greater water dock · Polygonaceae 26 counties
• 
  Rumex patientia L. Introduced RUPA5

  patience dock · Polygonaceae 21 counties
• 
  Rumex salicifolius Weinm. Native RUSA

  willow dock · Polygonaceae 42 counties
• 
  Rumex salicifolius Weinm. var. mexicanus (Meisn.) C.L. Hitchc. Native RUSAM

  Mexican dock · Polygonaceae 42 counties
• 
  Rumex verticillatus L. Native RUVE3

  swamp dock · Polygonaceae 79 counties
• 
  Ruppia cirrhosa (Petagna) Grande Native RUCI2

  spiral ditchgrass · Ruppiaceae 3 counties
• 
  Ruta graveolens L. Introduced RUGR3

  common rue · Rutaceae 1 county
• 
  Sabatia angularis (L.) Pursh Native SAAN

  rosepink · Gentianaceae 61 counties
• 
  Sabatia campestris Nutt. Native SACA3

  Texas star · Gentianaceae 8 counties
• 
  Saccharum alopecuroides (L.) Nutt. Native SAAL21

  silver plumegrass · Poaceae 11 counties
• 
  Saccharum ravennae (L.) L. Introduced SARA3

  ravennagrass · Poaceae 6 counties
• 
  Sacciolepis striata (L.) Nash Native SAST

  American cupscale · Poaceae 1 county
• 
  Sagina decumbens (Elliott) Torr. & A. Gray Native SADE

  trailing pearlwort · Caryophyllaceae 27 counties
• 
  Sagina decumbens (Elliott) Torr. & A. Gray ssp. decumbens Native SADED

  trailing pearlwort · Caryophyllaceae 27 counties
• 
  Sagittaria australis (J.G. Sm.) Small Native SAAU2

  longbeak arrowhead · Alismataceae 3 counties
• 
  Sagittaria brevirostra Mack. & Bush Native SABR8

  shortbeak arrowhead · Alismataceae 59 counties
• 
  Sagittaria calycina Engelm. Native SACA21

  hooded arrowhead · Alismataceae 27 counties
• 
  Sagittaria calycina Engelm. var. calycina Native SACAC

  hooded arrowhead · Alismataceae 27 counties
• 
  Sagittaria cuneata Sheldon Native SACU

  arumleaf arrowhead · Alismataceae 17 counties
• 
  Sagittaria graminea Michx. Native SAGR

  grassy arrowhead · Alismataceae 28 counties
• 
  Sagittaria graminea Michx. var. graminea Native SAGRG

  grassy arrowhead · Alismataceae 28 counties
• 
  Sagittaria latifolia Willd. Native SALA2

  broadleaf arrowhead · Alismataceae 73 counties