Ohio

• Adams 39001
  1,331 taxa Open ↗
• Allen 39003
  1,038 taxa Open ↗
• Ashland 39005
  998 taxa Open ↗
• Ashtabula 39007
  1,437 taxa Open ↗
• Athens 39009
  1,149 taxa Open ↗
• Auglaize 39011
  958 taxa Open ↗
• Belmont 39013
  945 taxa Open ↗
• Brown 39015
  629 taxa Open ↗
• Butler 39017
  850 taxa Open ↗
• Carroll 39019
  933 taxa Open ↗

Showing 2,001–2,050 of 3,424.

• 
  Muhlenbergia racemosa (Michx.) Britton, Sterns & Poggenb. Native MURA

  marsh muhly · Poaceae 1 county
• 
  Muhlenbergia schreberi J.F. Gmel. Native MUSC

  nimblewill · Poaceae 83 counties
• 
  Muhlenbergia sobolifera (Muhl. ex Willd.) Trin. Native MUSO

  rock muhly · Poaceae 17 counties
• 
  Muhlenbergia sylvatica (Torr.) Torr. ex A. Gray Native MUSY

  woodland muhly · Poaceae 18 counties
• 
  Muhlenbergia tenuiflora (Willd.) Britton, Sterns & Poggenb. Native MUTE

  slimflower muhly · Poaceae 27 counties
• ⚘
  Muhlenbergia ×curtisetosa (Scribn.) Bush (pro sp.) [frondosa × schreberi] Native MUCU2

  muhly · Poaceae 3 counties
• 
  Muscari botryoides (L.) Mill. Introduced MUBO

  common grape hyacinth · Liliaceae 4 counties
• 
  Muscari comosum (L.) Mill. Introduced MUCO2

  tassel grape hyacinth · Liliaceae 1 county
• 
  Myosotis arvensis (L.) Hill Introduced MYAR

  field forget-me-not · Boraginaceae 11 counties
• 
  Myosotis discolor Pers. Introduced MYDI

  changing forget-me-not · Boraginaceae 4 counties
• 
  Myosotis laxa Lehm. Native MYLA

  bay forget-me-not · Boraginaceae 25 counties
• 
  Myosotis macrosperma Engelm. Native MYMA

  largeseed forget-me-not · Boraginaceae 18 counties
• 
  Myosotis scorpioides L. Introduced MYSC

  true forget-me-not · Boraginaceae 35 counties
• 
  Myosotis stricta Link ex Roem. & Schult. Introduced MYST2

  strict forget-me-not · Boraginaceae 10 counties
• 
  Myosotis sylvatica Ehrh. Introduced MYSY

  woodland forget-me-not · Boraginaceae 7 counties
• 
  Myosotis verna Nutt. Native MYVE

  spring forget-me-not · Boraginaceae 32 counties
• 
  Myosoton aquaticum (L.) Moench Introduced MYAQ

  giantchickweed · Caryophyllaceae 29 counties
• 
  Myriophyllum aquaticum (Vell.) Verdc. Introduced MYAQ2

  parrot feather watermilfoil · Haloragaceae 1 county
• 
  Myriophyllum heterophyllum Michx. Native MYHE2

  twoleaf watermilfoil · Haloragaceae 7 counties
• 
  Myriophyllum humile (Raf.) Morong Native MYHU

  low watermilfoil · Haloragaceae 1 county
• 
  Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenb. Native MYPI

  cutleaf watermilfoil · Haloragaceae 1 county
• 
  Myriophyllum sibiricum Kom. Native MYSI

  shortspike watermilfoil · Haloragaceae 12 counties
• 
  Myriophyllum spicatum L. Introduced MYSP2

  Eurasian watermilfoil · Haloragaceae 43 counties
• 
  Myriophyllum verticillatum L. Native MYVE3

  whorl-leaf watermilfoil · Haloragaceae 2 counties
• 
  Najas flexilis (Willd.) Rostk. & Schmidt Native NAFL

  nodding waternymph · Najadaceae 16 counties
• 
  Najas gracillima (A. Braun ex Engelm.) Magnus Native NAGR

  slender waternymph · Najadaceae 6 counties
• 
  Najas guadalupensis (Spreng.) Magnus Native NAGU

  southern waternymph · Najadaceae 4 counties
• 
  Najas guadalupensis (Spreng.) Magnus ssp. guadalupensis Native NAGUG

  southern waternymph · Najadaceae 4 counties
• 
  Najas marina L. Native NAMA

  spiny naiad · Najadaceae 2 counties
• 
  Najas minor All. Introduced NAMI

  brittle waternymph · Najadaceae 13 counties
• 
  Napaea dioica L. Native NADI2

  glademallow · Malvaceae 21 counties
• 
  Narcissus poeticus L. Introduced NAPO

  poet's narcissus · Liliaceae 1 county
• 
  Narcissus pseudonarcissus L. Introduced NAPS

  daffodil · Liliaceae 1 county
• 
  Nasturtium officinale W.T. Aiton Introduced NAOF

  watercress · Brassicaceae 39 counties
• 
  Navarretia intertexta (Benth.) Hook. Native NAIN2

  needleleaf navarretia · Polemoniaceae 1 county
• 
  Navarretia intertexta (Benth.) Hook. ssp. propinqua (Suksd.) Day Native NAINP3

  near navarretia · Polemoniaceae 1 county
• 
  Nekemias arborea (L.) J. Wen & Boggan Native NEAR5

  peppervine · Vitaceae 3 counties
• 
  Nelumbo lutea Willd. Native NELU

  American lotus · Nelumbonaceae 14 counties
• 
  Nelumbo nucifera Gaertn. Introduced NENU2

  sacred lotus · Nelumbonaceae 1 county
• 
  Neobeckia aquatica (Eaton) Greene Native NEAQ2

  lakecress · Brassicaceae 10 counties
• 
  Nepeta cataria L. Introduced NECA2

  catnip · Lamiaceae 78 counties
• 
  Neslia paniculata (L.) Desv. Introduced NEPA3

  ballmustard · Brassicaceae 2 counties
• 
  Nicandra physalodes (L.) Scop. Introduced NIPH

  apple of Peru · Solanaceae 23 counties
• 
  Nicotiana alata Link & Otto Introduced NIAL

  jasmine tobacco · Solanaceae 2 counties
• 
  Nicotiana tabacum L. Introduced NITA

  cultivated tobacco · Solanaceae 2 counties
• 
  Nigella damascena L. Introduced NIDA

  devil in the bush · Ranunculaceae 4 counties
• 
  Nothoscordum bivalve (L.) Britton Native NOBI2

  crowpoison · Liliaceae 3 counties
• 
  Nuphar lutea (L.) Sm. Native NULU

  yellow pond-lily · Nymphaeaceae 44 counties
• 
  Nuphar lutea (L.) Sm. ssp. advena (Aiton) Kartesz & Gandhi Native NULUA

  yellow pond-lily · Nymphaeaceae 43 counties
• 
  Nuphar lutea (L.) Sm. ssp. variegata (Durand) E.O. Beal Native NULUV

  varigated yellow pond-lily · Nymphaeaceae 3 counties