Ohio

• Adams 39001
  1,331 taxa Open ↗
• Allen 39003
  1,038 taxa Open ↗
• Ashland 39005
  998 taxa Open ↗
• Ashtabula 39007
  1,437 taxa Open ↗
• Athens 39009
  1,149 taxa Open ↗
• Auglaize 39011
  958 taxa Open ↗
• Belmont 39013
  945 taxa Open ↗
• Brown 39015
  629 taxa Open ↗
• Butler 39017
  850 taxa Open ↗
• Carroll 39019
  933 taxa Open ↗

Showing 2,951–3,000 of 3,424.

• 
  Solidago rugosa Mill. ssp. rugosa var. rugosa Native SORUR2

  wrinkleleaf goldenrod · Asteraceae 1 county
• 
  Solidago speciosa Nutt. Native SOSP2

  showy goldenrod · Asteraceae 14 counties
• 
  Solidago speciosa Nutt. var. rigidiuscula Torr. & A. Gray Native SOSPR

  showy goldenrod · Asteraceae 5 counties
• 
  Solidago speciosa Nutt. var. speciosa Native SOSPS4

  showy goldenrod · Asteraceae 10 counties
• 
  Solidago sphacelata Raf. Native SOSP4

  autumn goldenrod · Asteraceae 1 county
• 
  Solidago squarrosa Nutt. Native SOSQ

  stout goldenrod · Asteraceae 13 counties
• 
  Solidago uliginosa Nutt. Native SOUL

  bog goldenrod · Asteraceae 24 counties
• 
  Solidago uliginosa Nutt. var. linoides (Torr. & A. Gray) Fernald Native SOULL2

  bog goldenrod · Asteraceae 1 county
• 
  Solidago uliginosa Nutt. var. uliginosa Native SOULU

  bog goldenrod · Asteraceae 1 county
• 
  Solidago ulmifolia Muhl. ex Willd. Native SOUL2

  elmleaf goldenrod · Asteraceae 50 counties
• 
  Solidago ulmifolia Muhl. ex Willd. var. ulmifolia Native SOULU2

  elmleaf goldenrod · Asteraceae 50 counties
• 
  Sonchus arvensis L. Introduced SOAR2

  field sowthistle · Asteraceae 49 counties
• 
  Sonchus arvensis L. ssp. arvensis Introduced SOARA2

  field sowthistle · Asteraceae 22 counties
• 
  Sonchus arvensis L. ssp. uliginosus (M. Bieb.) Nyman Introduced SOARU

  moist sowthistle · Asteraceae 41 counties
• 
  Sonchus asper (L.) Hill Introduced SOAS

  spiny sowthistle · Asteraceae 59 counties
• 
  Sonchus oleraceus L. Introduced SOOL

  common sowthistle · Asteraceae 38 counties
• 
  Sorbaria sorbifolia (L.) A. Braun Introduced SOSO2

  false spiraea · Rosaceae 9 counties
• 
  Sorbus aucuparia L. Introduced SOAU

  European mountain ash · Rosaceae 11 counties
• 
  Sorbus decora (Sarg.) C.K. Schneid. Native SODE3

  northern mountain ash · Rosaceae 5 counties
• 
  Sorghastrum nutans (L.) Nash Native SONU2

  Indiangrass · Poaceae 46 counties
• ⚘
  Sorghum almum Parodi Introduced SOAL

  Columbus grass · Poaceae 1 county
• 
  Sorghum bicolor (L.) Moench Introduced SOBI2

  sorghum · Poaceae 2 counties
• 
  Sorghum bicolor (L.) Moench ssp. bicolor Introduced SOBIB

  grain sorghum · Poaceae 2 counties
• 
  Sorghum halepense (L.) Pers. Introduced SOHA

  Johnsongrass · Poaceae 7 counties
• 
  Sparganium americanum Nutt. Native SPAM

  American bur-reed · Sparganiaceae 21 counties
• 
  Sparganium androcladum (Engelm.) Morong Native SPAN

  branched bur-reed · Sparganiaceae 4 counties
• 
  Sparganium angustifolium Michx. Native SPAN2

  narrowleaf bur-reed · Sparganiaceae 1 county
• 
  Sparganium emersum Rehmann Native SPEM2

  European bur-reed · Sparganiaceae 2 counties
• 
  Sparganium eurycarpum Engelm. Native SPEU

  broadfruit bur-reed · Sparganiaceae 53 counties
• 
  Spartina pectinata Bosc ex Link Native SPPE

  prairie cordgrass · Poaceae 44 counties
• 
  Spergula arvensis L. Introduced SPAR

  corn spurry · Caryophyllaceae 12 counties
• 
  Spergularia maritima (All.) Chiov. Introduced SPMA10

  media sandspurry · Caryophyllaceae 15 counties
• 
  Spergularia rubra (L.) J. Presl & C. Presl Introduced SPRU

  red sandspurry · Caryophyllaceae 5 counties
• 
  Spergularia salina J. Presl & C. Presl Native SPSA5

  salt sandspurry · Caryophyllaceae 9 counties
• 
  Spermacoce glabra Michx. Native SPGL2

  smooth false buttonweed · Rubiaceae 8 counties
• 
  Sphenopholis intermedia (Rydb.) Rydb. Native SPIN3

  slender wedgescale · Poaceae 62 counties
• 
  Sphenopholis nitida (Biehler) Scribn. Native SPNI

  shiny wedgescale · Poaceae 26 counties
• 
  Sphenopholis obtusata (Michx.) Scribn. Native SPOB

  prairie wedgescale · Poaceae 4 counties
• 
  Sphenopholis pensylvanica (L.) Hitchc. Native SPPE3

  swamp wedgescale · Poaceae 10 counties
• 
  Spinacia oleracea L. Introduced SPOL

  spinach · Chenopodiaceae 1 county
• 
  Spiraea alba Du Roi Native SPAL2

  white meadowsweet · Rosaceae 55 counties
• 
  Spiraea alba Du Roi var. alba Native SPALA

  white meadowsweet · Rosaceae 4 counties
• 
  Spiraea japonica L. f. Introduced SPJA

  Japanese meadowsweet · Rosaceae 8 counties
• 
  Spiraea japonica L. f. var. fortunei (Planch.) Rehder Introduced SPJAF

  fortune meadowsweet · Rosaceae 1 county
• 
  Spiraea prunifolia Siebold & Zucc. Introduced SPPR

  bridalwreath spirea · Rosaceae 5 counties
• 
  Spiraea tomentosa L. Native SPTO2

  steeplebush · Rosaceae 36 counties
• 
  Spiraea virginiana Britton Native SPVI2

  Virginia meadowsweet · Rosaceae 1 county
• ⚘
  Spiraea ×vanhouttei (Briot) Carrière [cantoniensis × trilobata] Introduced SPVA2

  spirea · Rosaceae 1 county
• 
  Spiranthes cernua (L.) Rich. Native SPCE

  nodding lady's tresses · Orchidaceae 44 counties
• 
  Spiranthes lacera (Raf.) Raf. Native SPLA4

  northern slender lady's tresses · Orchidaceae 33 counties