Clark County

Showing 451–500 of 786.

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  Morus rubra L. Native MORU2

  red mulberry · Moraceae
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  Morus rubra L. var. rubra Native MORUR

  red mulberry · Moraceae
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  Muhlenbergia frondosa (Poir.) Fernald Native MUFR2

  wirestem muhly · Poaceae
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  Muhlenbergia glomerata (Willd.) Trin. Native MUGL3

  spiked muhly · Poaceae
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  Muhlenbergia schreberi J.F. Gmel. Native MUSC

  nimblewill · Poaceae
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  Myriophyllum spicatum L. Introduced MYSP2

  Eurasian watermilfoil · Haloragaceae
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  Napaea dioica L. Native NADI2

  glademallow · Malvaceae
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  Nasturtium officinale W.T. Aiton Introduced NAOF

  watercress · Brassicaceae
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  Neobeckia aquatica (Eaton) Greene Native NEAQ2

  lakecress · Brassicaceae
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  Nepeta cataria L. Introduced NECA2

  catnip · Lamiaceae
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  Nicandra physalodes (L.) Scop. Introduced NIPH

  apple of Peru · Solanaceae
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  Nothoscordum bivalve (L.) Britton Native NOBI2

  crowpoison · Liliaceae
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  Nyssa sylvatica Marshall Native NYSY

  blackgum · Cornaceae
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  Oenothera biennis L. Native OEBI

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

  biennial beeblossom · Onagraceae
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  Oenothera pilosella Raf. Native OEPI2

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

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

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

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

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

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

  softhair marbleseed · Boraginaceae
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  Ophioglossum vulgatum L. Native OPVU

  southern adderstongue · Ophioglossaceae
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  Orbexilum onobrychis (Nutt.) Rydb. Native ORON

  French-grass · Fabaceae
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  Osmorhiza claytonii (Michx.) C.B. Clarke Native OSCL

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

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

  hophornbeam · Betulaceae
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  Oxalis dillenii Jacq. Native OXDI2

  slender yellow woodsorrel · Oxalidaceae
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  Oxalis stricta L. Native OXST

  common yellow oxalis · Oxalidaceae
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  Oxalis violacea L. Native OXVI

  violet woodsorrel · Oxalidaceae
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  Oxypolis rigidior (L.) Raf. Native OXRI

  stiff cowbane · Apiaceae
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  Panax quinquefolius L. Native PAQU

  American ginseng · Araliaceae
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  Panicum capillare L. Native PACA6

  witchgrass · Poaceae
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  Panicum dichotomiflorum Michx. Native PADI

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

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

  wiry panicgrass · Poaceae
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  Parietaria pensylvanica Muhl. ex Willd. Native PAPE5

  Pennsylvania pellitory · Urticaceae
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  Parnassia glauca Raf. Native PAGL3

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

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

  Virginia creeper · Vitaceae
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  Pedicularis canadensis L. Native PECA

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

  Canadian lousewort · Scrophulariaceae
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  Pedicularis lanceolata Michx. Native PELA2

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

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

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

  smooth cliffbrake · Pteridaceae
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  Penstemon digitalis Nutt. ex Sims Native PEDI

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

  hairy beardtongue · Scrophulariaceae
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  Penthorum sedoides L. Native PESE6

  ditch stonecrop · Crassulaceae
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  Phacelia purshii Buckley Native PHPU3

  Miami mist · Hydrophyllaceae