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 2,401–2,450 of 3,424.

• 
  Portulaca oleracea L. Both POOL

  little hogweed · Portulacaceae 30 counties
• 
  Potamogeton amplifolius Tuck. Native POAM5

  largeleaf pondweed · Potamogetonaceae 12 counties
• 
  Potamogeton crispus L. Introduced POCR3

  curly pondweed · Potamogetonaceae 13 counties
• 
  Potamogeton diversifolius Raf. Native PODI

  waterthread pondweed · Potamogetonaceae 7 counties
• 
  Potamogeton epihydrus Raf. Native POEP2

  ribbonleaf pondweed · Potamogetonaceae 12 counties
• 
  Potamogeton foliosus Raf. Native POFO3

  leafy pondweed · Potamogetonaceae 36 counties
• 
  Potamogeton foliosus Raf. ssp. foliosus Native POFOF4

  leafy pondweed · Potamogetonaceae 36 counties
• 
  Potamogeton friesii Rupr. Native POFR3

  Fries' pondweed · Potamogetonaceae 2 counties
• 
  Potamogeton gramineus L. Native POGR8

  variableleaf pondweed · Potamogetonaceae 5 counties
• 
  Potamogeton hillii Morong Native POHI4

  Hill's pondweed · Potamogetonaceae 2 counties
• 
  Potamogeton illinoensis Morong Native POIL

  Illinois pondweed · Potamogetonaceae 8 counties
• 
  Potamogeton natans L. Native PONA4

  floating pondweed · Potamogetonaceae 11 counties
• 
  Potamogeton nodosus Poir. Native PONO2

  longleaf pondweed · Potamogetonaceae 25 counties
• 
  Potamogeton perfoliatus L. Native POPE7

  claspingleaf pondweed · Potamogetonaceae 1 county
• 
  Potamogeton praelongus Wulfen Native POPR5

  whitestem pondweed · Potamogetonaceae 4 counties
• 
  Potamogeton pulcher Tuck. Native POPU6

  spotted pondweed · Potamogetonaceae 3 counties
• 
  Potamogeton pusillus L. Native POPU7

  small pondweed · Potamogetonaceae 9 counties
• 
  Potamogeton pusillus L. ssp. pusillus Native POPUP5

  small pondweed · Potamogetonaceae 5 counties
• 
  Potamogeton pusillus L. ssp. tenuissimus (Mert. & W.D.J. Koch) Haynes & C.B. Hellquist Native POPUT3

  small pondweed · Potamogetonaceae 2 counties
• 
  Potamogeton richardsonii (Benn.) Rydb. Native PORI2

  Richardson's pondweed · Potamogetonaceae 8 counties
• 
  Potamogeton robbinsii Oakes Native PORO2

  Robbins' pondweed · Potamogetonaceae 3 counties
• 
  Potamogeton spirillus Tuck. Native POSP3

  spiral pondweed · Potamogetonaceae 6 counties
• 
  Potamogeton strictifolius Benn. Native POST2

  narrowleaf pondweed · Potamogetonaceae 3 counties
• 
  Potamogeton tennesseensis Fernald Native POTE4

  Tennessee pondweed · Potamogetonaceae 2 counties
• 
  Potamogeton vaseyi J.W. Robbins Native POVA3

  Vasey's pondweed · Potamogetonaceae 3 counties
• 
  Potamogeton zosteriformis Fernald Native POZO

  flatstem pondweed · Potamogetonaceae 10 counties
• 
  Potentilla argentea L. Introduced POAR8

  silver cinquefoil · Rosaceae 17 counties
• 
  Potentilla argentea L. var. argentea Introduced POARA3

  silver cinquefoil · Rosaceae 17 counties
• 
  Potentilla arguta Pursh Native POAR7

  tall cinquefoil · Rosaceae 9 counties
• 
  Potentilla arguta Pursh ssp. arguta Native POARA4

  tall cinquefoil · Rosaceae 9 counties
• 
  Potentilla canadensis L. Native POCA17

  dwarf cinquefoil · Rosaceae 49 counties
• 
  Potentilla canadensis L. var. canadensis Native POCAC2

  dwarf cinquefoil · Rosaceae 2 counties
• 
  Potentilla inclinata Vill. Introduced POIN10

  ashy cinquefoil · Rosaceae 1 county
• 
  Potentilla intermedia L. Introduced POIN8

  downy cinquefoil · Rosaceae 4 counties
• 
  Potentilla norvegica L. Native PONO3

  Norwegian cinquefoil · Rosaceae 81 counties
• 
  Potentilla norvegica L. ssp. monspeliensis (L.) Asch. & Graebn. Native PONOM

  Norwegian cinquefoil · Rosaceae 81 counties
• ⚘
  Potentilla paradoxa Nutt. Native POPA15

  Paradox cinquefoil · Rosaceae 4 counties
• 
  Potentilla recta L. Introduced PORE5

  sulphur cinquefoil · Rosaceae 63 counties
• 
  Potentilla reptans L. Introduced PORE6

  creeping cinquefoil · Rosaceae 3 counties
• 
  Potentilla simplex Michx. Native POSI2

  common cinquefoil · Rosaceae 83 counties
• 
  Prenanthes alba L. Native PRAL2

  white rattlesnakeroot · Asteraceae 35 counties
• 
  Prenanthes altissima L. Native PRAL3

  tall rattlesnakeroot · Asteraceae 69 counties
• 
  Prenanthes aspera Michx. Native PRAS

  rough rattlesnakeroot · Asteraceae 3 counties
• 
  Prenanthes crepidinea Michx. Native PRCR

  nodding rattlesnakeroot · Asteraceae 11 counties
• 
  Prenanthes racemosa Michx. Native PRRA

  purple rattlesnakeroot · Asteraceae 14 counties
• 
  Prenanthes racemosa Michx. var. racemosa Native PRRAR3

  purple rattlesnakeroot · Asteraceae 14 counties
• 
  Prenanthes serpentaria Pursh Native PRSE

  cankerweed · Asteraceae 14 counties
• 
  Prenanthes trifoliolata (Cass.) Fernald Native PRTR

  gall of the earth · Asteraceae 4 counties
• 
  Proboscidea louisianica (Mill.) Thell. Native PRLO

  ram's horn · Pedaliaceae 10 counties
• 
  Proboscidea louisianica (Mill.) Thell. ssp. louisianica Native PRLOL

  ram's horn · Pedaliaceae 10 counties