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 2,851–2,900 of 3,424.

• 
  Sericocarpus asteroides (L.) Britton, Sterns & Poggenb. Native SEAS3

  toothed whitetop aster · Asteraceae 22 counties
• 
  Sericocarpus linifolius (L.) Britton, Sterns & Poggenb. Native SELI5

  narrowleaf whitetop aster · Asteraceae 4 counties
• 
  Setaria faberi Herrm. Introduced SEFA

  Japanese bristlegrass · Poaceae 3 counties
• 
  Setaria parviflora (Poir.) Kerguélen Native SEPA10

  marsh bristlegrass · Poaceae 1 county
• 
  Setaria pumila (Poir.) Roem. & Schult. Introduced SEPU8

  yellow foxtail · Poaceae 1 county
• 
  Setaria pumila (Poir.) Roem. & Schult. ssp. pumila Introduced SEPUP2

  yellow foxtail · Poaceae 1 county
• 
  Setaria verticillata (L.) P. Beauv. Introduced SEVE3

  hooked bristlegrass · Poaceae 9 counties
• 
  Setaria viridis (L.) P. Beauv. Introduced SEVI4

  green bristlegrass · Poaceae 3 counties
• 
  Setaria viridis (L.) P. Beauv. var. viridis Introduced SEVIV

  green bristlegrass · Poaceae 3 counties
• 
  Shepherdia canadensis (L.) Nutt. Native SHCA

  russet buffaloberry · Elaeagnaceae 8 counties
• 
  Sherardia arvensis L. Introduced SHAR2

  blue fieldmadder · Rubiaceae 7 counties
• 
  Sibara virginica (L.) Rollins Native SIVI2

  Virginia winged rockcress · Brassicaceae 2 counties
• 
  Sicyos angulatus L. Native SIAN

  oneseed bur cucumber · Cucurbitaceae 60 counties
• 
  Sida hermaphrodita (L.) Rusby Native SIHE3

  Virginia fanpetals · Malvaceae 10 counties
• 
  Sida spinosa L. Native SISP

  prickly fanpetals · Malvaceae 57 counties
• 
  Silene antirrhina L. Native SIAN2

  sleepy silene · Caryophyllaceae 52 counties
• 
  Silene armeria L. Introduced SIAR

  sweet William silene · Caryophyllaceae 9 counties
• 
  Silene caroliniana Walter Native SICA6

  sticky catchfly · Caryophyllaceae 12 counties
• 
  Silene caroliniana Walter ssp. pensylvanica (Michx.) R.T. Clausen Native SICAP

  Pennsylvania catchfly · Caryophyllaceae 10 counties
• 
  Silene caroliniana Walter ssp. wherryi (Small) R.T. Clausen Native SICAW

  Wherry's catchfly · Caryophyllaceae 5 counties
• 
  Silene conica L. Introduced SICO3

  striped corn catchfly · Caryophyllaceae 2 counties
• 
  Silene csereii Baumg. Introduced SICS

  Balkan catchfly · Caryophyllaceae 7 counties
• 
  Silene dichotoma Ehrh. Introduced SIDI2

  forked catchfly · Caryophyllaceae 11 counties
• 
  Silene dioica (L.) Clairville Introduced SIDI4

  red catchfly · Caryophyllaceae 3 counties
• 
  Silene latifolia Poir. Introduced SILA21

  bladder campion · Caryophyllaceae 51 counties
• 
  Silene latifolia Poir. ssp. alba (Mill.) Greuter & Burdet Introduced SILAA3

  bladder campion · Caryophyllaceae 51 counties
• 
  Silene nivea (Nutt.) Muhl. ex Otth Native SINI

  evening campion · Caryophyllaceae 5 counties
• 
  Silene noctiflora L. Introduced SINO

  nightflowering silene · Caryophyllaceae 40 counties
• 
  Silene regia Sims Native SIRE2

  royal catchfly · Caryophyllaceae 6 counties
• 
  Silene rotundifolia Nutt. Native SIRO4

  roundleaf catchfly · Caryophyllaceae 7 counties
• 
  Silene stellata (L.) W.T. Aiton Native SIST

  widowsfrill · Caryophyllaceae 51 counties
• 
  Silene virginica L. Native SIVI4

  fire pink · Caryophyllaceae 68 counties
• 
  Silene virginica L. var. virginica Native SIVIV

  fire pink · Caryophyllaceae 68 counties
• 
  Silene vulgaris (Moench) Garcke Introduced SIVU

  maidenstears · Caryophyllaceae 42 counties
• 
  Silphium integrifolium Michx. Native SIIN2

  wholeleaf rosinweed · Asteraceae 2 counties
• 
  Silphium laciniatum L. Native SILA3

  compassplant · Asteraceae 3 counties
• 
  Silphium laciniatum L. var. laciniatum Native SILAL2

  compassplant · Asteraceae 3 counties
• 
  Silphium perfoliatum L. Native SIPE2

  cup plant · Asteraceae 53 counties
• 
  Silphium perfoliatum L. var. perfoliatum Native SIPEP

  cup plant · Asteraceae 53 counties
• 
  Silphium terebinthinaceum Jacq. Native SITE

  prairie rosinweed · Asteraceae 24 counties
• 
  Silphium terebinthinaceum Jacq. var. luciae-brauniae Steyerm. Native SITEL2

  Lucy Braun's rosinweed · Asteraceae 1 county
• 
  Silphium terebinthinaceum Jacq. var. terebinthinaceum Native SITET

  prairie rosinweed · Asteraceae 24 counties
• ⚘
  Silphium trifoliatum L. Native SITR7

  whorled rosinweed · Asteraceae 56 counties
• ⚘
  Silphium trifoliatum L. var. trifoliatum Native SITRT

  whorled rosinweed · Asteraceae 1 county
• 
  Silybum marianum (L.) Gaertn. Introduced SIMA3

  blessed milkthistle · Asteraceae 7 counties
• 
  Sinapis alba L. Introduced SIAL5

  white mustard · Brassicaceae 8 counties
• 
  Sinapis arvensis L. Introduced SIAR4

  charlock mustard · Brassicaceae 68 counties
• 
  Sinapis arvensis L. ssp. arvensis Introduced SIARA

  wild mustard · Brassicaceae 68 counties
• 
  Sisymbrium altissimum L. Introduced SIAL2

  tall tumblemustard · Brassicaceae 38 counties
• 
  Sisymbrium loeselii L. Introduced SILO3

  small tumbleweed mustard · Brassicaceae 2 counties