Butler County

Showing 501–550 of 850.

• 
  Nepeta cataria L. Introduced NECA2

  catnip · Lamiaceae
• 
  Nyssa sylvatica Marshall Native NYSY

  blackgum · Cornaceae
• 
  Oenothera biennis L. Native OEBI

  common evening primrose · Onagraceae
• 
  Oenothera gaura W.L. Wagner & Hoch Native OEGA

  biennial beeblossom · Onagraceae
• 
  Oenothera laciniata Hill Native OELA

  cutleaf evening primrose · Onagraceae
• 
  Oenothera villosa Thunb. Native OEVI

  hairy evening primrose · Onagraceae
• 
  Oenothera villosa Thunb. ssp. villosa Native OEVIV

  hairy evening primrose · Onagraceae
• 
  Onoclea sensibilis L. Native ONSE

  sensitive fern · Dryopteridaceae
• 
  Onopordum acanthium L. Introduced ONAC

  Scotch cottonthistle · Asteraceae
• 
  Ophioglossum vulgatum L. Native OPVU

  southern adderstongue · Ophioglossaceae
• 
  Orobanche uniflora L. Native ORUN

  oneflowered broomrape · Orobanchaceae
• 
  Osmorhiza claytonii (Michx.) C.B. Clarke Native OSCL

  Clayton's sweetroot · Apiaceae
• 
  Osmorhiza longistylis (Torr.) DC. Native OSLO

  longstyle sweetroot · Apiaceae
• 
  Ostrya virginiana (Mill.) K. Koch Native OSVI

  hophornbeam · Betulaceae
• 
  Oxalis corniculata L. Native OXCO

  creeping woodsorrel · Oxalidaceae
• 
  Oxalis dillenii Jacq. Native OXDI2

  slender yellow woodsorrel · Oxalidaceae
• 
  Oxalis grandis Small Native OXGR

  great yellow woodsorrel · Oxalidaceae
• 
  Oxalis stricta L. Native OXST

  common yellow oxalis · Oxalidaceae
• 
  Oxalis violacea L. Native OXVI

  violet woodsorrel · Oxalidaceae
• 
  Packera aurea (L.) Á. Löve & D. Löve Native PAAU3

  golden ragwort · Asteraceae
• 
  Packera glabella (Poir.) C. Jeffrey Native PAGL17

  butterweed · Asteraceae
• 
  Packera obovata (Muhl. ex Willd.) W.A. Weber & Á. Löve Native PAOB6

  roundleaf ragwort · Asteraceae
• 
  Panax quinquefolius L. Native PAQU

  American ginseng · Araliaceae
• 
  Panicum capillare L. Native PACA6

  witchgrass · Poaceae
• 
  Panicum gattingeri Nash Native PAGA

  Gattinger's panicgrass · Poaceae
• 
  Paronychia canadensis (L.) Alph. Wood Native PACA11

  smooth forked nailwort · Caryophyllaceae
• 
  Parthenocissus quinquefolia (L.) Planch. Native PAQU2

  Virginia creeper · Vitaceae
• 
  Paspalum pubiflorum Rupr. ex Fourn. Native PAPU5

  hairyseed paspalum · Poaceae
• 
  Paspalum setaceum Michx. Native PASE5

  thin paspalum · Poaceae
• 
  Passiflora lutea L. Native PALU2

  yellow passionflower · Passifloraceae
• 
  Pastinaca sativa L. Introduced PASA2

  wild parsnip · Apiaceae
• 
  Pedicularis canadensis L. Native PECA

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

  Canadian lousewort · Scrophulariaceae
• 
  Pennisetum alopecuroides (L.) Spreng. Introduced PEAL

  Chinese fountaingrass · Poaceae
• 
  Penstemon alluviorum Pennell Native PEAL4

  lowland beardtongue · Scrophulariaceae
• 
  Penstemon calycosus Small Native PECA7

  longsepal beardtongue · Scrophulariaceae
• 
  Penstemon digitalis Nutt. ex Sims Native PEDI

  foxglove beardtongue · Scrophulariaceae
• 
  Penstemon hirsutus (L.) Willd. Native PEHI

  hairy beardtongue · Scrophulariaceae
• 
  Penthorum sedoides L. Native PESE6

  ditch stonecrop · Crassulaceae
• 
  Perilla frutescens (L.) Britton Introduced PEFR4

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

  beefsteakplant · Lamiaceae
• ⚘
  Petunia ×atkinsiana D. Don ex Loudon [axillaris × integrifolia] Introduced PEAT7

  petunia · Solanaceae
• 
  Phacelia purshii Buckley Native PHPU3

  Miami mist · Hydrophyllaceae
• 
  Phalaris arundinacea L. Native PHAR3

  reed canarygrass · Poaceae
• 
  Phegopteris hexagonoptera (Michx.) Fée Native PHHE11

  broad beechfern · Thelypteridaceae
• 
  Phlox divaricata L. Native PHDI5

  wild blue phlox · Polemoniaceae
• 
  Phlox divaricata L. ssp. divaricata Native PHDID3

  wild blue phlox · Polemoniaceae
• 
  Phlox glaberrima L. Native PHGL4

  smooth phlox · Polemoniaceae
• 
  Phlox glaberrima L. ssp. triflora (Michx.) Wherry Native PHGLT

  smooth phlox · Polemoniaceae
• 
  Phlox paniculata L. Native PHPA9

  fall phlox · Polemoniaceae