York County

Showing 901–950 of 1,545.

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  Myosotis laxa Lehm. Native MYLA

  bay forget-me-not · Boraginaceae
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  Myosotis scorpioides L. Introduced MYSC

  true forget-me-not · Boraginaceae
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  Myosotis sylvatica Ehrh. Introduced MYSY

  woodland forget-me-not · Boraginaceae
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  Myosotis verna Nutt. Native MYVE

  spring forget-me-not · Boraginaceae
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  Myrica gale L. Native MYGA

  sweetgale · Myricaceae
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  Myriophyllum humile (Raf.) Morong Native MYHU

  low watermilfoil · Haloragaceae
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  Najas flexilis (Willd.) Rostk. & Schmidt Native NAFL

  nodding waternymph · Najadaceae
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  Najas gracillima (A. Braun ex Engelm.) Magnus Native NAGR

  slender waternymph · Najadaceae
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  Nasturtium officinale W.T. Aiton Introduced NAOF

  watercress · Brassicaceae
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  Nepeta cataria L. Introduced NECA2

  catnip · Lamiaceae
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  Nuphar lutea (L.) Sm. Native NULU

  yellow pond-lily · Nymphaeaceae
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  Nuphar lutea (L.) Sm. ssp. pumila (Timm) E.O. Beal Native NULUP2

  yellow pond-lily · Nymphaeaceae
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  Nuphar lutea (L.) Sm. ssp. variegata (Durand) E.O. Beal Native NULUV

  varigated yellow pond-lily · Nymphaeaceae
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  Nuttallanthus canadensis (L.) D.A. Sutton Native NUCA

  Canada toadflax · Scrophulariaceae
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  Nymphaea odorata Aiton Native NYOD

  American white waterlily · Nymphaeaceae
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  Nymphoides cordata (Elliott) Fernald Native NYCO

  little floatingheart · Menyanthaceae
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  Nyssa sylvatica Marshall Native NYSY

  blackgum · Cornaceae
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  Oclemena acuminata (Michx.) Greene Native OCAC

  whorled wood aster · Asteraceae
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  Oclemena nemoralis (Aiton) Greene Native OCNE2

  bog aster · Asteraceae
• ⚘
  Oclemena ×blakei (Porter) G.L. Nesom [acuminata × nemoralis] Native OCBL

  aster · Asteraceae
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  Odontites vernus (Bellardi) Dumort. Introduced ODVE

  red bartsia · Scrophulariaceae
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  Odontites vernus (Bellardi) Dumort. ssp. serotinus (Dumort.) Corb. Introduced ODVES

  red bartsia · Scrophulariaceae
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  Oenothera biennis L. Native OEBI

  common evening primrose · Onagraceae
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  Oenothera oakesiana (A. Gray) J.W. Robbins ex S. Watson & J.M. Coult. Native OEOA

  Oakes' evening primrose · Onagraceae
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  Oenothera parviflora L. Native OEPA5

  northern evening primrose · Onagraceae
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  Oenothera perennis L. Native OEPE

  little evening primrose · 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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  Onoclea sensibilis L. Native ONSE

  sensitive fern · Dryopteridaceae
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  Ophioglossum pusillum Raf. Native OPPU3

  northern adderstongue · Ophioglossaceae
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  Orobanche uniflora L. Native ORUN

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

  sidebells wintergreen · Pyrolaceae
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  Oryzopsis asperifolia Michx. Native ORAS

  roughleaf ricegrass · Poaceae
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  Osmorhiza claytonii (Michx.) C.B. Clarke Native OSCL

  Clayton's sweetroot · Apiaceae
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  Osmunda cinnamomea L. Native OSCI

  cinnamon fern · Osmundaceae
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  Osmunda cinnamomea L. var. cinnamomea Native OSCIC

  cinnamon fern · Osmundaceae
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  Osmunda claytoniana L. Native OSCL2

  interrupted fern · Osmundaceae
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  Osmunda regalis L. Native OSRE

  royal fern · Osmundaceae
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  Osmunda regalis L. var. spectabilis (Willd.) A. Gray Native OSRES

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

  hophornbeam · Betulaceae
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  Oxalis corniculata L. Native OXCO

  creeping woodsorrel · Oxalidaceae
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  Oxalis montana Raf. Native OXMO

  mountain woodsorrel · Oxalidaceae
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  Oxalis stricta L. Native OXST

  common yellow oxalis · Oxalidaceae
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  Packera aurea (L.) Á. Löve & D. Löve Native PAAU3

  golden ragwort · Asteraceae
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  Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve Native PASC19

  Schweinitz's ragwort · Asteraceae
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  Panax trifolius L. Native PATR2

  dwarf 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 miliaceum L. Introduced PAMI2

  proso millet · Poaceae