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 2,701–2,750 of 3,094.

• 
  Solidago ulmifolia Muhl. ex Willd. Native SOUL2

  elmleaf goldenrod · Asteraceae 10 counties
• 
  Solidago ulmifolia Muhl. ex Willd. var. ulmifolia Native SOULU2

  elmleaf goldenrod · Asteraceae 10 counties
• 
  Sonchus arvensis L. Introduced SOAR2

  field sowthistle · Asteraceae 63 counties
• 
  Sonchus asper (L.) Hill Introduced SOAS

  spiny sowthistle · Asteraceae 40 counties
• 
  Sonchus oleraceus L. Introduced SOOL

  common sowthistle · Asteraceae 25 counties
• 
  Sorbaria sorbifolia (L.) A. Braun Introduced SOSO2

  false spiraea · Rosaceae 16 counties
• 
  Sorbus americana Marshall Native SOAM3

  American mountain ash · Rosaceae 17 counties
• 
  Sorbus aucuparia L. Introduced SOAU

  European mountain ash · Rosaceae 5 counties
• 
  Sorbus decora (Sarg.) C.K. Schneid. Native SODE3

  northern mountain ash · Rosaceae 33 counties
• 
  Sorghastrum nutans (L.) Nash Native SONU2

  Indiangrass · Poaceae 32 counties
• 
  Sorghum bicolor (L.) Moench Introduced SOBI2

  sorghum · Poaceae 3 counties
• 
  Sorghum bicolor (L.) Moench ssp. bicolor Introduced SOBIB

  grain sorghum · Poaceae 3 counties
• 
  Sorghum halepense (L.) Pers. Introduced SOHA

  Johnsongrass · Poaceae 6 counties
• 
  Sparganium americanum Nutt. Native SPAM

  American bur-reed · Sparganiaceae 32 counties
• 
  Sparganium androcladum (Engelm.) Morong Native SPAN

  branched bur-reed · Sparganiaceae 3 counties
• 
  Sparganium angustifolium Michx. Native SPAN2

  narrowleaf bur-reed · Sparganiaceae 21 counties
• 
  Sparganium eurycarpum Engelm. Native SPEU

  broadfruit bur-reed · Sparganiaceae 51 counties
• 
  Sparganium fluctuans (Engelm. ex Morong) B.L. Rob. Native SPFL

  floating bur-reed · Sparganiaceae 11 counties
• 
  Sparganium natans L. Native SPNA

  small bur-reed · Sparganiaceae 20 counties
• 
  Spartina patens (Aiton) Muhl. Native SPPA

  saltmeadow cordgrass · Poaceae 2 counties
• 
  Spartina pectinata Bosc ex Link Native SPPE

  prairie cordgrass · Poaceae 34 counties
• 
  Spergula arvensis L. Introduced SPAR

  corn spurry · Caryophyllaceae 14 counties
• 
  Spergularia maritima (All.) Chiov. Introduced SPMA10

  media sandspurry · Caryophyllaceae 3 counties
• 
  Spergularia rubra (L.) J. Presl & C. Presl Introduced SPRU

  red sandspurry · Caryophyllaceae 11 counties
• 
  Spergularia salina J. Presl & C. Presl Native SPSA5

  salt sandspurry · Caryophyllaceae 9 counties
• 
  Sphenopholis intermedia (Rydb.) Rydb. Native SPIN3

  slender wedgescale · Poaceae 41 counties
• 
  Sphenopholis nitida (Biehler) Scribn. Native SPNI

  shiny wedgescale · Poaceae 11 counties
• 
  Sphenopholis obtusata (Michx.) Scribn. Native SPOB

  prairie wedgescale · Poaceae 7 counties
• 
  Spiraea alba Du Roi Native SPAL2

  white meadowsweet · Rosaceae 79 counties
• 
  Spiraea alba Du Roi var. alba Native SPALA

  white meadowsweet · Rosaceae 1 county
• 
  Spiraea japonica L. f. Introduced SPJA

  Japanese meadowsweet · Rosaceae 1 county
• 
  Spiraea japonica L. f. var. fortunei (Planch.) Rehder Introduced SPJAF

  fortune meadowsweet · Rosaceae 1 county
• 
  Spiraea salicifolia L. Introduced SPSA2

  willowleaf meadowsweet · Rosaceae 2 counties
• 
  Spiraea tomentosa L. Native SPTO2

  steeplebush · Rosaceae 31 counties
• ⚘
  Spiraea ×vanhouttei (Briot) Carrière [cantoniensis × trilobata] Introduced SPVA2

  spirea · Rosaceae 4 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