Michigan

• Alcona 26001
  727 taxa Open ↗
• Alger 26003
  810 taxa Open ↗
• Allegan 26005
  964 taxa Open ↗
• Alpena 26007
  843 taxa Open ↗
• Antrim 26009
  634 taxa Open ↗
• Arenac 26011
  667 taxa Open ↗
• Baraga 26013
  848 taxa Open ↗
• Barry 26015
  811 taxa Open ↗
• Bay 26017
  782 taxa Open ↗
• Benzie 26019
  938 taxa Open ↗

Showing 2,051–2,100 of 2,327 (native).

• 
  Spiraea alba Du Roi var. alba Native SPALA

  white meadowsweet · Rosaceae 1 county
• 
  Spiraea tomentosa L. Native SPTO2

  steeplebush · Rosaceae 31 counties
• 
  Spiranthes cernua (L.) Rich. Native SPCE

  nodding lady's tresses · Orchidaceae 61 counties
• 
  Spiranthes lacera (Raf.) Raf. Native SPLA4

  northern slender lady's tresses · Orchidaceae 38 counties
• 
  Spiranthes lucida (H.H. Eaton) Ames Native SPLU2

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

  hooded lady's tresses · Orchidaceae 40 counties
• 
  Spiranthes vernalis Engelm. & A. Gray Native SPVE

  spring lady's tresses · Orchidaceae 3 counties
• 
  Spirodela polyrrhiza (L.) Schleid. Native SPPO

  common duckmeat · Lemnaceae 46 counties
• 
  Sporobolus compositus (Poir.) Merr. Native SPCO16

  composite dropseed · Poaceae 6 counties
• 
  Sporobolus compositus (Poir.) Merr. var. compositus Native SPCOC2

  composite dropseed · Poaceae 6 counties
• 
  Sporobolus cryptandrus (Torr.) A. Gray Native SPCR

  sand dropseed · Poaceae 33 counties
• 
  Sporobolus heterolepis (A. Gray) A. Gray Native SPHE

  prairie dropseed · Poaceae 3 counties
• 
  Sporobolus neglectus Nash Native SPNE2

  puffsheath dropseed · Poaceae 14 counties
• 
  Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood Native SPVA

  poverty dropseed · Poaceae 18 counties
• 
  Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood var. vaginiflorus Native SPVAV2

  poverty dropseed · Poaceae 18 counties
• 
  Stachys hyssopifolia Michx. Native STHY3

  hyssopleaf hedgenettle · Lamiaceae 18 counties
• 
  Stachys palustris L. Native STPA

  marsh hedgenettle · Lamiaceae 26 counties
• 
  Stachys tenuifolia Willd. Native STTE

  smooth hedgenettle · Lamiaceae 35 counties
• 
  Staphylea trifolia L. Native STTR

  American bladdernut · Staphyleaceae 32 counties
• 
  Stellaria borealis Bigelow Native STBO3

  boreal starwort · Caryophyllaceae 22 counties
• 
  Stellaria borealis Bigelow ssp. borealis Native STBOB

  boreal starwort · Caryophyllaceae 22 counties
• 
  Stellaria crassifolia Ehrh. Native STCR

  fleshy starwort · Caryophyllaceae 5 counties
• 
  Stellaria crassifolia Ehrh. var. crassifolia Native STCRC

  fleshy starwort · Caryophyllaceae 5 counties
• 
  Stellaria longifolia Muhl. ex Willd. Native STLO

  longleaf starwort · Caryophyllaceae 53 counties
• 
  Stellaria longifolia Muhl. ex Willd. var. longifolia Native STLOL

  longleaf starwort · Caryophyllaceae 53 counties
• 
  Stellaria longipes Goldie Native STLO2

  longstalk starwort · Caryophyllaceae 4 counties
• 
  Stellaria longipes Goldie ssp. longipes Native STLOL7

  longstalk starwort · Caryophyllaceae 4 counties
• 
  Stenanthium gramineum (Ker Gawl.) Morong Native STGR2

  eastern featherbells · Liliaceae 2 counties
• 
  Stenanthium gramineum (Ker Gawl.) Morong var. gramineum Native STGRG2

  eastern featherbells · Liliaceae 2 counties
• 
  Stenaria nigricans (Lam.) Terrell Native STNI6

  diamond-flowers · Rubiaceae 1 county
• 
  Stenaria nigricans (Lam.) Terrell var. nigricans Native STNIN

  diamondflowers · Rubiaceae 1 county
• 
  Streptopus amplexifolius (L.) DC. var. amplexifolius Native STAMA2

  claspleaf twistedstalk · Liliaceae 17 counties
• 
  Streptopus lanceolatus (Aiton) Reveal Native STLA16

  twistedstalk · Liliaceae 36 counties
• 
  Streptopus lanceolatus (Aiton) Reveal var. lanceolatus Native STLAL2

  twistedstalk · Liliaceae 36 counties
• 
  Strophostyles helvola (L.) Elliott Native STHE9

  amberique-bean · Fabaceae 5 counties
• 
  Strophostyles leiosperma (Torr. & A. Gray) Piper Native STLE6

  slickseed fuzzybean · Fabaceae 1 county
• 
  Stuckenia filiformis (Pers.) Börner Native STFI6

  fineleaf pondweed · Potamogetonaceae 38 counties
• 
  Stuckenia filiformis (Pers.) Börner ssp. alpina (Blytt) Haynes, D.H. Les & M. Kral Native STFIA2

  fineleaf pondweed · Potamogetonaceae 38 counties
• 
  Stuckenia pectinata (L.) Börner Native STPE15

  sago pondweed · Potamogetonaceae 63 counties
• 
  Stuckenia vaginata (Turcz.) Holub Native STVA8

  sheathed pondweed · Potamogetonaceae 10 counties
• 
  Stylophorum diphyllum (Michx.) Nutt. Native STDI3

  celandine poppy · Papaveraceae 16 counties
• 
  Suaeda calceoliformis (Hook.) Moq. Native SUCA2

  Pursh seepweed · Chenopodiaceae 3 counties
• 
  Subularia aquatica L. Native SUAQ

  waterawlwort · Brassicaceae 2 counties
• 
  Subularia aquatica L. var. americana (G. Mulligan & Calder) B. Boivin Native SUAQA2

  American waterawlwort · Brassicaceae 2 counties
• 
  Symphoricarpos albus (L.) S.F. Blake Native SYAL

  common snowberry · Caprifoliaceae 41 counties
• 
  Symphoricarpos albus (L.) S.F. Blake var. albus Native SYALA

  common snowberry · Caprifoliaceae 41 counties
• 
  Symphoricarpos occidentalis Hook. Native SYOC

  western snowberry · Caprifoliaceae 10 counties
• 
  Symphoricarpos orbiculatus Moench Native SYOR

  coralberry · Caprifoliaceae 7 counties
• 
  Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve Native SYBO2

  northern bog aster · Asteraceae 31 counties
• 
  Symphyotrichum ciliatum (Ledeb.) G.L. Nesom Native SYCI2

  rayless alkali aster · Asteraceae 12 counties