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 1,951–2,000 of 3,424.

• 
  Menyanthes trifoliata L. Native METR3

  buckbean · Menyanthaceae 16 counties
• 
  Mercurialis annua L. Introduced MEAN

  annual mercury · Euphorbiaceae 2 counties
• 
  Mertensia virginica (L.) Pers. ex Link Native MEVI3

  Virginia bluebells · Boraginaceae 69 counties
• 
  Metasequoia glyptostroboides Hu & W.C. Cheng Introduced MEGL8

  dawn redwood · Cupressaceae 1 county
• 
  Microstegium vimineum (Trin.) A. Camus Introduced MIVI

  Nepalese browntop · Poaceae 2 counties
• 
  Microthlaspi perfoliatum (L.) F.K. Mey. Introduced MIPE8

  claspleaf pennycress · Brassicaceae 19 counties
• 
  Mikania scandens (L.) Willd. Native MISC

  climbing hempvine · Asteraceae 1 county
• 
  Milium effusum L. Native MIEF

  American milletgrass · Poaceae 17 counties
• 
  Milium effusum L. var. cisatlanticum Fernald Native MIEFC

  American milletgrass · Poaceae 17 counties
• 
  Mimulus alatus Aiton Native MIAL2

  sharpwing monkeyflower · Scrophulariaceae 65 counties
• 
  Mimulus ringens L. Native MIRI

  Allegheny monkeyflower · Scrophulariaceae 40 counties
• 
  Mimulus ringens L. var. ringens Native MIRIR

  Allegheny monkeyflower · Scrophulariaceae 40 counties
• 
  Minuartia michauxii (Fenzl) Farw. Native MIMI2

  Michaux's stitchwort · Caryophyllaceae 8 counties
• 
  Minuartia michauxii (Fenzl) Farw. var. michauxii Native MIMIM

  Michaux's stitchwort · Caryophyllaceae 8 counties
• 
  Minuartia patula (Michx.) Mattf. Native MIPA6

  pitcher's stitchwort · Caryophyllaceae 2 counties
• 
  Mirabilis hirsuta (Pursh) MacMill. Native MIHI

  hairy four o'clock · Nyctaginaceae 1 county
• 
  Mirabilis jalapa L. Introduced MIJA

  marvel of Peru · Nyctaginaceae 4 counties
• 
  Mirabilis nyctaginea (Michx.) MacMill. Native MINY

  heartleaf four o'clock · Nyctaginaceae 44 counties
• 
  Miscanthus sinensis Andersson Introduced MISI

  Chinese silvergrass · Poaceae 4 counties
• 
  Misopates orontium (L.) Raf. Introduced MIOR

  linearleaf snapdragon · Scrophulariaceae 1 county
• 
  Mitchella repens L. Native MIRE

  partridgeberry · Rubiaceae 58 counties
• 
  Mitella diphylla L. Native MIDI3

  twoleaf miterwort · Saxifragaceae 65 counties
• 
  Moehringia lateriflora (L.) Fenzl Native MOLA6

  bluntleaf sandwort · Caryophyllaceae 26 counties
• 
  Mollugo verticillata L. Native MOVE

  green carpetweed · Molluginaceae 58 counties
• 
  Monarda clinopodia L. Native MOCL

  white bergamot · Lamiaceae 3 counties
• 
  Monarda didyma L. Native MODI

  scarlet beebalm · Lamiaceae 23 counties
• 
  Monarda fistulosa L. Native MOFI

  wild bergamot · Lamiaceae 81 counties
• 
  Monarda fistulosa L. ssp. fistulosa Native MOFIF

  wild bergamot · Lamiaceae 81 counties
• 
  Monarda fistulosa L. ssp. fistulosa var. fistulosa Native MOFIF2

  wild bergamot · Lamiaceae 1 county
• 
  Monarda fistulosa L. ssp. fistulosa var. mollis (L.) Benth. Native MOFIM3

  wild bergamot · Lamiaceae 81 counties
• 
  Monarda media Willd. Native MOME

  purple bergamot · Lamiaceae 14 counties
• 
  Monarda punctata L. Native MOPU

  spotted beebalm · Lamiaceae 6 counties
• 
  Monarda punctata L. ssp. punctata Native MOPUP

  spotted beebalm · Lamiaceae 6 counties
• 
  Monarda punctata L. ssp. punctata var. villicaulis (Pennell) Palmer & Steyerm. Native MOPUV

  spotted beebalm · Lamiaceae 6 counties
• 
  Moneses uniflora (L.) A. Gray Native MOUN2

  single delight · Pyrolaceae 2 counties
• 
  Monolepis nuttalliana (Schult.) Greene Native MONU

  Nuttall's povertyweed · Chenopodiaceae 1 county
• 
  Monotropa hypopitys L. Native MOHY3

  pinesap · Monotropaceae 47 counties
• 
  Monotropa uniflora L. Native MOUN3

  Indianpipe · Monotropaceae 60 counties
• 
  Morella pensylvanica (Mirb.) Kartesz Native MOPE6

  northern bayberry · Myricaceae 5 counties
• 
  Morus alba L. Introduced MOAL

  white mulberry · Moraceae 86 counties
• 
  Morus nigra L. Introduced MONI

  black mulberry · Moraceae 3 counties
• 
  Morus rubra L. Native MORU2

  red mulberry · Moraceae 87 counties
• 
  Morus rubra L. var. rubra Native MORUR

  red mulberry · Moraceae 87 counties
• 
  Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi Native MUAS

  scratchgrass · Poaceae 3 counties
• 
  Muhlenbergia bushii Pohl Native MUBU

  nodding muhly · Poaceae 1 county
• 
  Muhlenbergia capillaris (Lam.) Trin. Native MUCA2

  hairawn muhly · Poaceae 1 county
• 
  Muhlenbergia cuspidata (Torr. ex Hook.) Rydb. Native MUCU3

  plains muhly · Poaceae 2 counties
• 
  Muhlenbergia frondosa (Poir.) Fernald Native MUFR2

  wirestem muhly · Poaceae 72 counties
• 
  Muhlenbergia glomerata (Willd.) Trin. Native MUGL3

  spiked muhly · Poaceae 19 counties
• 
  Muhlenbergia mexicana (L.) Trin. Native MUME2

  Mexican muhly · Poaceae 37 counties