Oklahoma

• Adair 40001
  462 taxa Open ↗
• Alfalfa 40003
  443 taxa Open ↗
• Atoka 40005
  275 taxa Open ↗
• Beaver 40007
  382 taxa Open ↗
• Beckham 40009
  298 taxa Open ↗
• Blaine 40011
  437 taxa Open ↗
• Bryan 40013
  935 taxa Open ↗
• Caddo 40015
  574 taxa Open ↗
• Canadian 40017
  444 taxa Open ↗
• Carter 40019
  424 taxa Open ↗

Showing 2,451–2,500 of 2,768.

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  Sporobolus compositus (Poir.) Merr. var. drummondii (Trin.) Kartesz & Gandhi Native SPCOD3

  Drummond's dropseed · Poaceae 4 counties
• 
  Sporobolus contractus Hitchc. Native SPCO4

  spike dropseed · Poaceae 1 county
• 
  Sporobolus cryptandrus (Torr.) A. Gray Native SPCR

  sand dropseed · Poaceae 37 counties
• 
  Sporobolus giganteus Nash Native SPGI

  giant dropseed · Poaceae 2 counties
• 
  Sporobolus heterolepis (A. Gray) A. Gray Native SPHE

  prairie dropseed · Poaceae 3 counties
• 
  Sporobolus junceus (P. Beauv.) Kunth Native SPJU

  pineywoods dropseed · Poaceae 1 county
• 
  Sporobolus neglectus Nash Native SPNE2

  puffsheath dropseed · Poaceae 11 counties
• 
  Sporobolus pyramidatus (Lam.) Hitchc. Native SPPY2

  Madagascar dropseed · Poaceae 8 counties
• 
  Sporobolus texanus Vasey Native SPTE5

  Texas dropseed · Poaceae 9 counties
• 
  Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood Native SPVA

  poverty dropseed · Poaceae 19 counties
• 
  Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood var. vaginiflorus Native SPVAV2

  poverty dropseed · Poaceae 19 counties
• 
  Stachys pilosa Nutt. Native STPI6

  hairy hedgenettle · Lamiaceae 2 counties
• 
  Stachys pilosa Nutt. var. pilosa Native STPIP5

  hairy hedgenettle · Lamiaceae 2 counties
• 
  Stachys tenuifolia Willd. Native STTE

  smooth hedgenettle · Lamiaceae 6 counties
• 
  Staphylea trifolia L. Native STTR

  American bladdernut · Staphyleaceae 12 counties
• 
  Steinchisma hians (Elliott) Nash Native STHI3

  gaping grass · Poaceae 1 county
• 
  Stellaria media (L.) Vill. Introduced STME2

  common chickweed · Caryophyllaceae 20 counties
• 
  Stellaria media (L.) Vill. ssp. media Introduced STMEM

  common chickweed · Caryophyllaceae 19 counties
• 
  Stenaria nigricans (Lam.) Terrell Native STNI6

  diamond-flowers · Rubiaceae 55 counties
• 
  Stenaria nigricans (Lam.) Terrell var. nigricans Native STNIN

  diamondflowers · Rubiaceae 55 counties
• 
  Stenosiphon linifolius (Nutt. ex James) Heynh. Native STLI2

  false gaura · Onagraceae 30 counties
• 
  Stephanomeria pauciflora (Torr.) A. Nelson Native STPA4

  brownplume wirelettuce · Asteraceae 4 counties
• 
  Stillingia sylvatica L. Native STSY

  queen's-delight · Euphorbiaceae 36 counties
• 
  Stillingia sylvatica L. ssp. sylvatica Native STSYS2

  queen's-delight · Euphorbiaceae 36 counties
• 
  Streptanthus hyacinthoides Hook. Native STHY

  smooth jewelflower · Brassicaceae 4 counties
• 
  Streptanthus maculatus Nutt. Native STMA2

  clasping jewelflower · Brassicaceae 8 counties
• 
  Streptanthus maculatus Nutt. ssp. obtusifolius (Hook.) Rollins Native STMAO

  clasping jewelflower · Brassicaceae 8 counties
• 
  Strophostyles helvola (L.) Elliott Native STHE9

  amberique-bean · Fabaceae 30 counties
• 
  Strophostyles leiosperma (Torr. & A. Gray) Piper Native STLE6

  slickseed fuzzybean · Fabaceae 38 counties
• 
  Stuckenia pectinata (L.) Börner Native STPE15

  sago pondweed · Potamogetonaceae 6 counties
• 
  Stylisma pickeringii (Torr. ex M.A. Curtis) A. Gray Native STPI3

  Pickering's dawnflower · Convolvulaceae 6 counties
• 
  Stylisma pickeringii (Torr. ex M.A. Curtis) A. Gray var. pattersonii (Fernald & B.G. Schub.) Myint Native STPIP2

  Patterson's dawnflower · Convolvulaceae 6 counties
• 
  Stylosanthes biflora (L.) Britton, Sterns & Poggenb. Native STBI2

  sidebeak pencilflower · Fabaceae 35 counties
• 
  Suaeda calceoliformis (Hook.) Moq. Native SUCA2

  Pursh seepweed · Chenopodiaceae 5 counties
• 
  Suaeda suffrutescens S. Watson Native SUSU

  desert seepweed · Chenopodiaceae 2 counties
• 
  Suaeda suffrutescens S. Watson var. suffrutescens Native SUSUS

  desert seepweed · Chenopodiaceae 2 counties
• 
  Suckleya suckleyana (Torr.) Rydb. Native SUSU2

  poison suckleya · Chenopodiaceae 2 counties
• 
  Symphoricarpos occidentalis Hook. Native SYOC

  western snowberry · Caprifoliaceae 1 county
• 
  Symphoricarpos orbiculatus Moench Native SYOR

  coralberry · Caprifoliaceae 37 counties
• 
  Symphoricarpos palmeri G.N. Jones Native SYPA

  Palmer's snowberry · Caprifoliaceae 1 county
• 
  Symphyotrichum anomalum (Engelm.) G.L. Nesom Native SYAN2

  manyray aster · Asteraceae 1 county
• 
  Symphyotrichum ciliatum (Ledeb.) G.L. Nesom Native SYCI2

  rayless alkali aster · Asteraceae 1 county
• 
  Symphyotrichum cordifolium (L.) G.L. Nesom Native SYCO4

  common blue wood aster · Asteraceae 1 county
• 
  Symphyotrichum divaricatum (Nutt.) G.L. Nesom Native SYDI2

  southern annual saltmarsh aster · Asteraceae 29 counties
• 
  Symphyotrichum drummondii (Lindl.) G.L. Nesom Native SYDR

  Drummond's aster · Asteraceae 23 counties
• 
  Symphyotrichum drummondii (Lindl.) G.L. Nesom var. drummondii Native SYDRD

  Drummond's aster · Asteraceae 23 counties
• 
  Symphyotrichum dumosum (L.) G.L. Nesom Native SYDU2

  rice button aster · Asteraceae 1 county
• 
  Symphyotrichum dumosum (L.) G.L. Nesom var. dumosum Native SYDUD2

  rice button aster · Asteraceae 1 county
• 
  Symphyotrichum ericoides (L.) G.L. Nesom Native SYER

  white heath aster · Asteraceae 31 counties
• 
  Symphyotrichum ericoides (L.) G.L. Nesom var. ericoides Native SYERE

  white heath aster · Asteraceae 31 counties