South Dakota

• Aurora 46003
  194 taxa Open ↗
• Beadle 46005
  215 taxa Open ↗
• Bennett 46007
  214 taxa Open ↗
• Bon Homme 46009
  196 taxa Open ↗
• Brookings 46011
  505 taxa Open ↗
• Brown 46013
  210 taxa Open ↗
• Brule 46015
  271 taxa Open ↗
• Buffalo 46017
  166 taxa Open ↗
• Butte 46019
  280 taxa Open ↗
• Campbell 46021
  128 taxa Open ↗

Showing 1,551–1,600 of 1,738 (native).

• 
  Spartina pectinata Bosc ex Link Native SPPE

  prairie cordgrass · Poaceae 49 counties
• 
  Sphaeralcea coccinea (Nutt.) Rydb. Native SPCO

  scarlet globemallow · Malvaceae 28 counties
• 
  Sphaeralcea coccinea (Nutt.) Rydb. ssp. coccinea Native SPCOC

  scarlet globemallow · Malvaceae 28 counties
• 
  Sphenopholis intermedia (Rydb.) Rydb. Native SPIN3

  slender wedgescale · Poaceae 4 counties
• 
  Sphenopholis obtusata (Michx.) Scribn. Native SPOB

  prairie wedgescale · Poaceae 17 counties
• 
  Spiraea alba Du Roi Native SPAL2

  white meadowsweet · Rosaceae 4 counties
• 
  Spiraea alba Du Roi var. alba Native SPALA

  white meadowsweet · Rosaceae 4 counties
• 
  Spiraea lucida Douglas ex Greene Native SPLU5

  shinyleaf spirea · Rosaceae 4 counties
• 
  Spiranthes magnicamporum Sheviak Native SPMA5

  Great Plains lady's tresses · Orchidaceae 8 counties
• 
  Spiranthes romanzoffiana Cham. Native SPRO

  hooded lady's tresses · Orchidaceae 5 counties
• 
  Spiranthes vernalis Engelm. & A. Gray Native SPVE

  spring lady's tresses · Orchidaceae 2 counties
• 
  Spirodela polyrrhiza (L.) Schleid. Native SPPO

  common duckmeat · Lemnaceae 8 counties
• 
  Sporobolus airoides (Torr.) Torr. Native SPAI

  alkali sacaton · Poaceae 1 county
• 
  Sporobolus compositus (Poir.) Merr. Native SPCO16

  composite dropseed · Poaceae 20 counties
• 
  Sporobolus compositus (Poir.) Merr. var. compositus Native SPCOC2

  composite dropseed · Poaceae 20 counties
• 
  Sporobolus cryptandrus (Torr.) A. Gray Native SPCR

  sand dropseed · Poaceae 25 counties
• 
  Sporobolus heterolepis (A. Gray) A. Gray Native SPHE

  prairie dropseed · Poaceae 6 counties
• 
  Sporobolus neglectus Nash Native SPNE2

  puffsheath dropseed · Poaceae 8 counties
• 
  Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood Native SPVA

  poverty dropseed · Poaceae 1 county
• 
  Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood var. vaginiflorus Native SPVAV2

  poverty dropseed · Poaceae 1 county
• 
  Stachys palustris L. Native STPA

  marsh hedgenettle · Lamiaceae 1 county
• 
  Stachys pilosa Nutt. Native STPI6

  hairy hedgenettle · Lamiaceae 21 counties
• 
  Stachys pilosa Nutt. var. pilosa Native STPIP5

  hairy hedgenettle · Lamiaceae 21 counties
• 
  Stanleya pinnata (Pursh) Britton Native STPI

  desert princesplume · Brassicaceae 8 counties
• 
  Stanleya pinnata (Pursh) Britton var. pinnata Native STPIP

  desert princesplume · Brassicaceae 8 counties
• 
  Stellaria crassifolia Ehrh. Native STCR

  fleshy starwort · Caryophyllaceae 3 counties
• 
  Stellaria crassifolia Ehrh. var. crassifolia Native STCRC

  fleshy starwort · Caryophyllaceae 3 counties
• 
  Stellaria longifolia Muhl. ex Willd. Native STLO

  longleaf starwort · Caryophyllaceae 4 counties
• 
  Stellaria longifolia Muhl. ex Willd. var. longifolia Native STLOL

  longleaf starwort · Caryophyllaceae 4 counties
• 
  Stellaria longipes Goldie Native STLO2

  longstalk starwort · Caryophyllaceae 2 counties
• 
  Stellaria longipes Goldie ssp. longipes Native STLOL7

  longstalk starwort · Caryophyllaceae 2 counties
• 
  Stenosiphon linifolius (Nutt. ex James) Heynh. Native STLI2

  false gaura · Onagraceae 1 county
• 
  Stenotus armerioides Nutt. Native STAR10

  thrift mock goldenweed · Asteraceae 1 county
• 
  Stenotus armerioides Nutt. var. armerioides Native STARA

  thrift mock goldenweed · Asteraceae 1 county
• 
  Strophostyles helvola (L.) Elliott Native STHE9

  amberique-bean · Fabaceae 3 counties
• 
  Strophostyles leiosperma (Torr. & A. Gray) Piper Native STLE6

  slickseed fuzzybean · Fabaceae 6 counties
• 
  Stuckenia filiformis (Pers.) Börner Native STFI6

  fineleaf pondweed · Potamogetonaceae 13 counties
• 
  Stuckenia filiformis (Pers.) Börner ssp. alpina (Blytt) Haynes, D.H. Les & M. Kral Native STFIA2

  fineleaf pondweed · Potamogetonaceae 13 counties
• 
  Stuckenia pectinata (L.) Börner Native STPE15

  sago pondweed · Potamogetonaceae 33 counties
• 
  Stuckenia vaginata (Turcz.) Holub Native STVA8

  sheathed pondweed · Potamogetonaceae 1 county
• 
  Suaeda calceoliformis (Hook.) Moq. Native SUCA2

  Pursh seepweed · Chenopodiaceae 14 counties
• 
  Suaeda moquinii (Torr.) Greene Native SUMO

  Mojave seablite · Chenopodiaceae 3 counties
• 
  Symphoricarpos albus (L.) S.F. Blake Native SYAL

  common snowberry · Caprifoliaceae 6 counties
• 
  Symphoricarpos albus (L.) S.F. Blake var. albus Native SYALA

  common snowberry · Caprifoliaceae 6 counties
• 
  Symphoricarpos occidentalis Hook. Native SYOC

  western snowberry · Caprifoliaceae 48 counties
• 
  Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve Native SYBO2

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

  rayless alkali aster · Asteraceae 10 counties
• 
  Symphyotrichum ciliolatum (Lindl.) Á. Löve & D. Löve Native SYCI

  Lindley's aster · Asteraceae 5 counties
• 
  Symphyotrichum cordifolium (L.) G.L. Nesom Native SYCO4

  common blue wood aster · Asteraceae 4 counties
• 
  Symphyotrichum drummondii (Lindl.) G.L. Nesom Native SYDR

  Drummond's aster · Asteraceae 1 county