Ross County

Showing 651–700 of 1,124 (native).

• 
  Nelumbo lutea Willd. Native NELU

  American lotus · Nelumbonaceae
• 
  Nyssa sylvatica Marshall Native NYSY

  blackgum · Cornaceae
• 
  Obolaria virginica L. Native OBVI

  Virginia pennywort · Gentianaceae
• 
  Oenothera biennis L. Native OEBI

  common evening primrose · Onagraceae
• 
  Oenothera fruticosa L. Native OEFR

  narrowleaf evening primrose · Onagraceae
• 
  Oenothera fruticosa L. ssp. fruticosa Native OEFRF

  narrowleaf evening primrose · Onagraceae
• 
  Oenothera fruticosa L. ssp. tetragona (Roth) W.L. Wagner Native OEFRT

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

  biennial beeblossom · Onagraceae
• 
  Oenothera laciniata Hill Native OELA

  cutleaf evening primrose · Onagraceae
• 
  Oenothera perennis L. Native OEPE

  little evening primrose · Onagraceae
• 
  Oenothera pilosella Raf. Native OEPI2

  meadow evening primrose · Onagraceae
• 
  Oenothera pilosella Raf. ssp. pilosella Native OEPIP

  meadow evening primrose · Onagraceae
• 
  Oligoneuron ohioense (Frank ex Riddell) G.N. Jones Native OLOH

  Ohio goldenrod · Asteraceae
• 
  Oligoneuron riddellii (Frank ex Riddell) Rydb. Native OLRI2

  Riddell's goldenrod · Asteraceae
• 
  Onoclea sensibilis L. Native ONSE

  sensitive fern · Dryopteridaceae
• 
  Onosmodium bejariense DC. ex A. DC. Native ONBE

  soft-hair marbleseed · Boraginaceae
• 
  Onosmodium bejariense DC. ex A. DC. var. hispidissimum (Mack.) B.L. Turner Native ONBEH

  softhair marbleseed · Boraginaceae
• 
  Ophioglossum vulgatum L. Native OPVU

  southern adderstongue · Ophioglossaceae
• 
  Opuntia humifusa (Raf.) Raf. Native OPHU

  devil's-tongue · Cactaceae
• 
  Orbexilum onobrychis (Nutt.) Rydb. Native ORON

  French-grass · Fabaceae
• 
  Orbexilum pedunculatum (Mill.) Rydb. Native ORPE

  Sampson's snakeroot · Fabaceae
• 
  Orbexilum pedunculatum (Mill.) Rydb. var. pedunculatum Native ORPEP2

  Sampson's snakeroot · Fabaceae
• 
  Orobanche uniflora L. Native ORUN

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

  Clayton's sweetroot · Apiaceae
• 
  Osmunda claytoniana L. Native OSCL2

  interrupted fern · Osmundaceae
• 
  Ostrya virginiana (Mill.) K. Koch Native OSVI

  hophornbeam · Betulaceae
• 
  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
• 
  Oxydendrum arboreum (L.) DC. Native OXAR

  sourwood · Ericaceae
• 
  Oxypolis rigidior (L.) Raf. Native OXRI

  stiff cowbane · Apiaceae
• 
  Packera obovata (Muhl. ex Willd.) W.A. Weber & Á. Löve Native PAOB6

  roundleaf ragwort · Asteraceae
• 
  Packera paupercula (Michx.) Á. Löve & D. Löve Native PAPA20

  balsam groundsel · Asteraceae
• 
  Panax quinquefolius L. Native PAQU

  American ginseng · Araliaceae
• 
  Panicum capillare L. Native PACA6

  witchgrass · Poaceae
• 
  Panicum dichotomiflorum Michx. Native PADI

  fall panicgrass · Poaceae
• 
  Panicum dichotomiflorum Michx. var. dichotomiflorum Native PADID

  fall panicgrass · Poaceae
• 
  Panicum flexile (Gattinger) Scribn. Native PAFL2

  wiry panicgrass · Poaceae
• 
  Panicum rigidulum Bosc ex Nees Native PARI4

  redtop panicgrass · Poaceae
• 
  Panicum rigidulum Bosc ex Nees var. pubescens (Vasey) Lelong Native PARIP

  redtop panicgrass · Poaceae
• 
  Panicum rigidulum Bosc ex Nees var. rigidulum Native PARIR

  redtop panicgrass · Poaceae
• 
  Panicum virgatum L. Native PAVI2

  switchgrass · Poaceae
• 
  Panicum virgatum L. var. virgatum Native PAVIV

  switchgrass · Poaceae
• 
  Parietaria pensylvanica Muhl. ex Willd. Native PAPE5

  Pennsylvania pellitory · Urticaceae
• 
  Parnassia glauca Raf. Native PAGL3

  fen grass of Parnassus · Saxifragaceae
• 
  Paronychia canadensis (L.) Alph. Wood Native PACA11

  smooth forked nailwort · Caryophyllaceae
• 
  Paronychia fastigiata (Raf.) Fernald Native PAFA3

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

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

  Virginia creeper · Vitaceae