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 2,151–2,200 of 3,424.

• 
  Paronychia fastigiata (Raf.) Fernald Native PAFA3

  hairy forked nailwort · Caryophyllaceae 26 counties
• 
  Paronychia fastigiata (Raf.) Fernald var. fastigiata Native PAFAF

  hairy forked nailwort · Caryophyllaceae 26 counties
• 
  Parthenium hysterophorus L. Introduced PAHY

  Santa Maria feverfew · Asteraceae 2 counties
• 
  Parthenium integrifolium L. Native PAIN3

  wild quinine · Asteraceae 1 county
• 
  Parthenium integrifolium L. var. integrifolium Native PAINI

  wild quinine · Asteraceae 1 county
• 
  Parthenocissus quinquefolia (L.) Planch. Native PAQU2

  Virginia creeper · Vitaceae 88 counties
• 
  Parthenocissus vitacea (Knerr) Hitchc. Native PAVI5

  woodbine · Vitaceae 3 counties
• 
  Pascopyrum smithii (Rydb.) Á. Löve Native PASM

  western wheatgrass · Poaceae 1 county
• 
  Paspalum floridanum Michx. Native PAFL4

  Florida paspalum · Poaceae 1 county
• 
  Paspalum fluitans (Elliott) Kunth Native PAFL5

  horsetail paspalum · Poaceae 3 counties
• 
  Paspalum laeve Michx. Native PALA10

  field paspalum · Poaceae 19 counties
• 
  Paspalum pubiflorum Rupr. ex Fourn. Native PAPU5

  hairyseed paspalum · Poaceae 9 counties
• 
  Paspalum setaceum Michx. Native PASE5

  thin paspalum · Poaceae 31 counties
• 
  Passiflora incarnata L. Native PAIN6

  purple passionflower · Passifloraceae 7 counties
• 
  Passiflora lutea L. Native PALU2

  yellow passionflower · Passifloraceae 30 counties
• 
  Pastinaca sativa L. Introduced PASA2

  wild parsnip · Apiaceae 80 counties
• 
  Patis racemosa (Sm.) Romasch., P.M. Peterson & R. J. Soreng Native PARA2

  blackseed ricegrass · Poaceae 11 counties
• 
  Paulownia tomentosa (Thunb.) Siebold & Zucc. ex Steud. Introduced PATO2

  princesstree · Scrophulariaceae 4 counties
• 
  Paxistima canbyi A. Gray Native PACA

  Canby's mountain-lover · Celastraceae 2 counties
• 
  Pedicularis canadensis L. Native PECA

  Canadian lousewort · Scrophulariaceae 67 counties
• 
  Pedicularis canadensis L. ssp. canadensis Native PECAC3

  Canadian lousewort · Scrophulariaceae 67 counties
• 
  Pedicularis lanceolata Michx. Native PELA2

  swamp lousewort · Scrophulariaceae 42 counties
• 
  Pellaea atropurpurea (L.) Link Native PEAT2

  purple cliffbrake · Pteridaceae 12 counties
• 
  Pellaea glabella Mett. ex Kuhn Native PEGL

  smooth cliffbrake · Pteridaceae 19 counties
• 
  Pellaea glabella Mett. ex Kuhn ssp. glabella Native PEGLG

  smooth cliffbrake · Pteridaceae 19 counties
• 
  Peltandra virginica (L.) Schott Native PEVI

  green arrow arum · Araceae 27 counties
• 
  Pennisetum alopecuroides (L.) Spreng. Introduced PEAL

  Chinese fountaingrass · Poaceae 3 counties
• 
  Pennisetum glaucum (L.) R. Br. Introduced PEGL2

  pearl millet · Poaceae 6 counties
• 
  Penstemon alluviorum Pennell Native PEAL4

  lowland beardtongue · Scrophulariaceae 4 counties
• 
  Penstemon calycosus Small Native PECA7

  longsepal beardtongue · Scrophulariaceae 34 counties
• 
  Penstemon canescens (Britton) Britton Native PECA8

  eastern gray beardtongue · Scrophulariaceae 2 counties
• 
  Penstemon cobaea Nutt. Native PECO4

  cobaea beardtongue · Scrophulariaceae 1 county
• 
  Penstemon digitalis Nutt. ex Sims Native PEDI

  foxglove beardtongue · Scrophulariaceae 73 counties
• 
  Penstemon grandiflorus Nutt. Native PEGR7

  large beardtongue · Scrophulariaceae 1 county
• 
  Penstemon hirsutus (L.) Willd. Native PEHI

  hairy beardtongue · Scrophulariaceae 61 counties
• 
  Penstemon laevigatus Aiton Native PELA8

  eastern smooth beardtongue · Scrophulariaceae 6 counties
• 
  Penstemon pallidus Small Native PEPA7

  pale beardtongue · Scrophulariaceae 16 counties
• 
  Penstemon tubaeflorus Nutt. Native PETU

  white wand beardtongue · Scrophulariaceae 1 county
• 
  Penstemon tubaeflorus Nutt. var. tubaeflorus Native PETUT

  white wand beardtongue · Scrophulariaceae 1 county
• 
  Penthorum sedoides L. Native PESE6

  ditch stonecrop · Crassulaceae 77 counties
• 
  Perideridia americana (Nutt. ex DC.) Rchb. Native PEAM2

  eastern yampah · Apiaceae 2 counties
• 
  Perilla frutescens (L.) Britton Introduced PEFR4

  beefsteakplant · Lamiaceae 20 counties
• 
  Perilla frutescens (L.) Britton var. frutescens Introduced PEFRF2

  beefsteakplant · Lamiaceae 19 counties
• 
  Petasites hybridus (L.) G. Gaertn., B. Mey. & Scherb. Introduced PEHY

  pestilence wort · Asteraceae 1 county
• 
  Petrorhagia prolifera (L.) P.W. Ball & Heywood Introduced PEPR4

  childing pink · Caryophyllaceae 1 county
• 
  Petrorhagia saxifraga (L.) Link Introduced PESA9

  saxifrage pink · Caryophyllaceae 1 county
• 
  Petroselinum crispum (Mill.) Nyman ex A.W. Hill Introduced PECR2

  parsley · Apiaceae 2 counties
• ⚘
  Petunia ×atkinsiana D. Don ex Loudon [axillaris × integrifolia] Introduced PEAT7

  petunia · Solanaceae 18 counties
• 
  Phacelia bipinnatifida Michx. Native PHBI2

  fernleaf phacelia · Hydrophyllaceae 5 counties
• 
  Phacelia dubia (L.) Trel. Native PHDU

  smallflower phacelia · Hydrophyllaceae 1 county