Nebraska

• Adams 31001
  203 taxa Open ↗
• Antelope 31003
  382 taxa Open ↗
• Arthur 31005
  158 taxa Open ↗
• Banner 31007
  332 taxa Open ↗
• Blaine 31009
  192 taxa Open ↗
• Boone 31011
  138 taxa Open ↗
• Box Butte 31013
  463 taxa Open ↗
• Boyd 31015
  265 taxa Open ↗
• Brown 31017
  1,124 taxa Open ↗
• Buffalo 31019
  605 taxa Open ↗

Showing 1,201–1,250 of 1,882 (native).

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  Oligoneuron rigidum (L.) Small var. humile (Porter) G.L. Nesom Native OLRIH

  stiff goldenrod · Asteraceae 1 county
• 
  Oligoneuron rigidum (L.) Small var. rigidum Native OLRIR

  stiff goldenrod · Asteraceae 52 counties
• 
  Onoclea sensibilis L. Native ONSE

  sensitive fern · Dryopteridaceae 13 counties
• 
  Onosmodium bejariense DC. ex A. DC. Native ONBE

  soft-hair marbleseed · Boraginaceae 28 counties
• 
  Onosmodium bejariense DC. ex A. DC. var. hispidissimum (Mack.) B.L. Turner Native ONBEH

  softhair marbleseed · Boraginaceae 1 county
• 
  Onosmodium bejariense DC. ex A. DC. var. occidentale (Mack.) B.L. Turner Native ONBEO

  western marbleseed · Boraginaceae 28 counties
• 
  Ophioglossum pusillum Raf. Native OPPU3

  northern adderstongue · Ophioglossaceae 1 county
• 
  Opuntia fragilis (Nutt.) Haw. Native OPFR

  brittle pricklypear · Cactaceae 14 counties
• 
  Opuntia macrorhiza Engelm. Native OPMA2

  twistspine pricklypear · Cactaceae 22 counties
• 
  Opuntia macrorhiza Engelm. var. macrorhiza Native OPMAM3

  twistspine pricklypear · Cactaceae 22 counties
• 
  Opuntia polyacantha Haw. Native OPPO

  plains pricklypear · Cactaceae 7 counties
• 
  Opuntia polyacantha Haw. var. polyacantha Native OPPOP

  hairspine pricklypear · Cactaceae 7 counties
• 
  Orobanche fasciculata Nutt. Native ORFA

  clustered broomrape · Orobanchaceae 11 counties
• 
  Orobanche ludoviciana Nutt. Native ORLU

  Louisiana broomrape · Orobanchaceae 16 counties
• 
  Orobanche ludoviciana Nutt. ssp. ludoviciana Native ORLUL2

  Louisiana broomrape · Orobanchaceae 16 counties
• 
  Orobanche riparia L.T. Collins Native ORRI

  River Broom-Rape · Orobanchaceae 6 counties
• 
  Orobanche uniflora L. Native ORUN

  oneflowered broomrape · Orobanchaceae 4 counties
• 
  Orthilia secunda (L.) House Native ORSE

  sidebells wintergreen · Pyrolaceae 2 counties
• 
  Orthocarpus luteus Nutt. Native ORLU2

  yellow owl's-clover · Scrophulariaceae 5 counties
• 
  Osmorhiza claytonii (Michx.) C.B. Clarke Native OSCL

  Clayton's sweetroot · Apiaceae 14 counties
• 
  Osmorhiza longistylis (Torr.) DC. Native OSLO

  longstyle sweetroot · Apiaceae 25 counties
• 
  Ostrya virginiana (Mill.) K. Koch Native OSVI

  hophornbeam · Betulaceae 17 counties
• 
  Oxalis dillenii Jacq. Native OXDI2

  slender yellow woodsorrel · Oxalidaceae 27 counties
• 
  Oxalis stricta L. Native OXST

  common yellow oxalis · Oxalidaceae 38 counties
• 
  Oxalis violacea L. Native OXVI

  violet woodsorrel · Oxalidaceae 33 counties
• 
  Oxytropis lambertii Pursh Native OXLA3

  purple locoweed · Fabaceae 58 counties
• 
  Oxytropis lambertii Pursh var. lambertii Native OXLAL2

  purple locoweed · Fabaceae 57 counties
• 
  Oxytropis multiceps Nutt. Native OXMU

  Nuttall's oxytrope · Fabaceae 4 counties
• 
  Oxytropis sericea Nutt. Native OXSE

  white locoweed · Fabaceae 11 counties
• 
  Oxytropis sericea Nutt. var. sericea Native OXSES

  white locoweed · Fabaceae 11 counties
• 
  Packera cana (Hook.) W.A. Weber & Á. Löve Native PACA15

  woolly groundsel · Asteraceae 8 counties
• 
  Packera glabella (Poir.) C. Jeffrey Native PAGL17

  butterweed · Asteraceae 3 counties
• 
  Packera plattensis (Nutt.) W.A. Weber & Á. Löve Native PAPL12

  prairie groundsel · Asteraceae 71 counties
• 
  Packera pseudaurea (Rydb.) W.A. Weber & Á. Löve Native PAPS5

  falsegold groundsel · Asteraceae 8 counties
• 
  Packera pseudaurea (Rydb.) W.A. Weber & Á. Löve var. semicordata (Mack. & Bush) D.K. Trock & T.M. Barkley Native PAPSS

  falsegold groundsel · Asteraceae 8 counties
• 
  Packera tridenticulata (Rydb.) W.A. Weber & Á. Löve Native PATR7

  threetooth ragwort · Asteraceae 19 counties
• 
  Palafoxia sphacelata (Nutt. ex Torr.) Cory Native PASP

  othake · Asteraceae 3 counties
• 
  Panax quinquefolius L. Native PAQU

  American ginseng · Araliaceae 5 counties
• 
  Panicum capillare L. Native PACA6

  witchgrass · Poaceae 75 counties
• 
  Panicum dichotomiflorum Michx. Native PADI

  fall panicgrass · Poaceae 34 counties
• 
  Panicum dichotomiflorum Michx. var. dichotomiflorum Native PADID

  fall panicgrass · Poaceae 34 counties
• 
  Panicum flexile (Gattinger) Scribn. Native PAFL2

  wiry panicgrass · Poaceae 1 county
• 
  Panicum virgatum L. Native PAVI2

  switchgrass · Poaceae 68 counties
• 
  Panicum virgatum L. var. virgatum Native PAVIV

  switchgrass · Poaceae 68 counties
• 
  Parietaria pensylvanica Muhl. ex Willd. Native PAPE5

  Pennsylvania pellitory · Urticaceae 29 counties
• 
  Paronychia canadensis (L.) Alph. Wood Native PACA11

  smooth forked nailwort · Caryophyllaceae 3 counties
• 
  Paronychia depressa (Torr. & A. Gray) Nutt. ex A. Nelson Native PADE4

  spreading nailwort · Caryophyllaceae 14 counties
• 
  Paronychia jamesii Torr. & A. Gray Native PAJA

  James' nailwort · Caryophyllaceae 5 counties
• 
  Paronychia sessiliflora Nutt. Native PASE

  creeping nailwort · Caryophyllaceae 3 counties
• 
  Parthenocissus quinquefolia (L.) Planch. Native PAQU2

  Virginia creeper · Vitaceae 13 counties