Arkansas

• Arkansas 05001
  816 taxa Open ↗
• Ashley 05003
  1,236 taxa Open ↗
• Baxter 05005
  1,025 taxa Open ↗
• Benton 05007
  1,372 taxa Open ↗
• Boone 05009
  697 taxa Open ↗
• Bradley 05011
  1,145 taxa Open ↗
• Calhoun 05013
  573 taxa Open ↗
• Carroll 05015
  1,039 taxa Open ↗
• Chicot 05017
  440 taxa Open ↗
• Clark 05019
  896 taxa Open ↗

Showing 1,901–1,950 of 3,277.

• 
  Murdannia nudiflora (L.) Brenan Introduced MUNU

  nakedstem dewflower · Commelinaceae 1 county
• 
  Muscari botryoides (L.) Mill. Introduced MUBO

  common grape hyacinth · Liliaceae 10 counties
• 
  Muscari neglectum Guss. ex Ten. Introduced MUNE

  starch grape hyacinth · Liliaceae 16 counties
• 
  Myosotis macrosperma Engelm. Native MYMA

  largeseed forget-me-not · Boraginaceae 1 county
• 
  Myosotis verna Nutt. Native MYVE

  spring forget-me-not · Boraginaceae 60 counties
• 
  Myosurus minimus L. Native MYMI2

  tiny mousetail · Ranunculaceae 31 counties
• 
  Myriophyllum aquaticum (Vell.) Verdc. Introduced MYAQ2

  parrot feather watermilfoil · Haloragaceae 17 counties
• 
  Myriophyllum heterophyllum Michx. Native MYHE2

  twoleaf watermilfoil · Haloragaceae 12 counties
• 
  Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenb. Native MYPI

  cutleaf watermilfoil · Haloragaceae 17 counties
• 
  Najas flexilis (Willd.) Rostk. & Schmidt Native NAFL

  nodding waternymph · Najadaceae 1 county
• 
  Najas guadalupensis (Spreng.) Magnus Native NAGU

  southern waternymph · Najadaceae 6 counties
• 
  Najas guadalupensis (Spreng.) Magnus ssp. guadalupensis Native NAGUG

  southern waternymph · Najadaceae 6 counties
• 
  Najas minor All. Introduced NAMI

  brittle waternymph · Najadaceae 1 county
• 
  Nandina domestica Thunb. Introduced NADO

  sacred bamboo · Berberidaceae 2 counties
• 
  Narcissus jonquilla L. Introduced NAJO

  jonquil · Liliaceae 12 counties
• 
  Narcissus poeticus L. Introduced NAPO

  poet's narcissus · Liliaceae 18 counties
• 
  Narcissus pseudonarcissus L. Introduced NAPS

  daffodil · Liliaceae 21 counties
• 
  Narcissus tazetta L. Introduced NATA2

  cream narcissus · Liliaceae 1 county
• ⚘
  Narcissus ×medioluteus Mill. (pro sp.) [poeticus × tazetta] Introduced NAME2

  primrose peerless · Liliaceae 1 county
• ⚘
  Narcissus ×odorus L. (pro sp.) [jonquilla × pseudonarcissus] Introduced NAOD

  Campernelle jonquil · Liliaceae 4 counties
• 
  Nassella leucotricha (Trin. & Rupr.) Pohl Native NALE3

  Texas wintergrass · Poaceae 1 county
• 
  Nasturtium officinale W.T. Aiton Introduced NAOF

  watercress · Brassicaceae 21 counties
• 
  Nekemias arborea (L.) J. Wen & Boggan Native NEAR5

  peppervine · Vitaceae 61 counties
• 
  Nelumbo lutea Willd. Native NELU

  American lotus · Nelumbonaceae 29 counties
• 
  Nelumbo nucifera Gaertn. Introduced NENU2

  sacred lotus · Nelumbonaceae 1 county
• 
  Nemastylis geminiflora Nutt. Native NEGE

  prairie pleatleaf · Iridaceae 12 counties
• 
  Nemastylis nuttallii Pickering ex R.C. Foster Native NENU

  Nuttall's pleatleaf · Iridaceae 8 counties
• 
  Nemophila aphylla (L.) Brummitt Native NEAP

  smallflower baby blue eyes · Hydrophyllaceae 11 counties
• 
  Nemophila menziesii Hook. & Arn. Native NEME

  baby blue eyes · Hydrophyllaceae 1 county
• 
  Nemophila phacelioides Nutt. Native NEPH

  largeflower baby blue eyes · Hydrophyllaceae 12 counties
• 
  Neobeckia aquatica (Eaton) Greene Native NEAQ2

  lakecress · Brassicaceae 11 counties
• 
  Nepeta cataria L. Introduced NECA2

  catnip · Lamiaceae 13 counties
• 
  Neptunia lutea (Leavenworth) Benth. Native NELU2

  yellow puff · Fabaceae 14 counties
• 
  Neviusia alabamensis A. Gray Native NEAL

  Alabama snow-wreath · Rosaceae 4 counties
• 
  Nicandra physalodes (L.) Scop. Introduced NIPH

  apple of Peru · Solanaceae 5 counties
• 
  Nothocalais cuspidata (Pursh) Greene Native NOCU

  prairie false dandelion · Asteraceae 1 county
• 
  Nothoscordum bivalve (L.) Britton Native NOBI2

  crowpoison · Liliaceae 53 counties
• 
  Nuphar lutea (L.) Sm. Native NULU

  yellow pond-lily · Nymphaeaceae 26 counties
• 
  Nuphar lutea (L.) Sm. ssp. advena (Aiton) Kartesz & Gandhi Native NULUA

  yellow pond-lily · Nymphaeaceae 26 counties
• 
  Nuttallanthus canadensis (L.) D.A. Sutton Native NUCA

  Canada toadflax · Scrophulariaceae 67 counties
• 
  Nuttallanthus texanus (Scheele) D.A. Sutton Native NUTE

  Texas toadflax · Scrophulariaceae 4 counties
• ⚘
  Nymphaea odorata Aiton Native NYOD

  American white waterlily · Nymphaeaceae 20 counties
• ⚘
  Nymphaea odorata Aiton ssp. odorata Native NYODO

  American white waterlily · Nymphaeaceae 1 county
• 
  Nymphoides peltata (S.G. Gmel.) Kuntze Introduced NYPE

  yellow floatingheart · Menyanthaceae 2 counties
• 
  Nyssa aquatica L. Native NYAQ2

  water tupelo · Cornaceae 43 counties
• 
  Nyssa biflora Walter Native NYBI

  swamp tupelo · Cornaceae 4 counties
• 
  Nyssa sylvatica Marshall Native NYSY

  blackgum · Cornaceae 74 counties
• 
  Obolaria virginica L. Native OBVI

  Virginia pennywort · Gentianaceae 3 counties
• 
  Oenothera biennis L. Native OEBI

  common evening primrose · Onagraceae 3 counties
• 
  Oenothera curtiflora W.L. Wagner & Hoch Native OECU2

  velvetweed · Onagraceae 13 counties