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 51–100 of 2,588 (native).

• 
  Ageratina aromatica (L.) Spach var. aromatica Native AGARA

  lesser snakeroot · Asteraceae 4 counties
• 
  Agrimonia gryposepala Wallr. Native AGGR2

  tall hairy agrimony · Rosaceae 51 counties
• 
  Agrimonia parviflora Aiton Native AGPA6

  harvestlice · Rosaceae 65 counties
• 
  Agrimonia pubescens Wallr. Native AGPU

  soft agrimony · Rosaceae 59 counties
• 
  Agrimonia rostellata Wallr. Native AGRO3

  beaked agrimony · Rosaceae 38 counties
• 
  Agrimonia striata Michx. Native AGST

  roadside agrimony · Rosaceae 8 counties
• 
  Agrostis elliottiana Schult. Native AGEL4

  Elliott's bentgrass · Poaceae 5 counties
• 
  Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. Native AGHY

  winter bentgrass · Poaceae 27 counties
• 
  Agrostis perennans (Walter) Tuck. Native AGPE

  upland bentgrass · Poaceae 65 counties
• 
  Agrostis scabra Willd. Native AGSC5

  rough bentgrass · Poaceae 24 counties
• 
  Aletris farinosa L. Native ALFA2

  white colicroot · Liliaceae 10 counties
• 
  Alisma subcordatum Raf. Native ALSU

  American water plantain · Alismataceae 72 counties
• 
  Alisma triviale Pursh Native ALTR7

  northern water plantain · Alismataceae 2 counties
• 
  Allium canadense L. Native ALCA3

  meadow garlic · Liliaceae 63 counties
• 
  Allium canadense L. var. canadense Native ALCAC

  meadow garlic · Liliaceae 63 counties
• 
  Allium cernuum Roth Native ALCE2

  nodding onion · Liliaceae 38 counties
• 
  Allium cernuum Roth var. cernuum Native ALCEC2

  nodding onion · Liliaceae 38 counties
• 
  Allium tricoccum Aiton Native ALTR3

  ramp · Liliaceae 56 counties
• 
  Alnus incana (L.) Moench Native ALIN2

  gray alder · Betulaceae 19 counties
• 
  Alnus incana (L.) Moench ssp. rugosa (Du Roi) R.T. Clausen Native ALINR

  speckled alder · Betulaceae 19 counties
• 
  Alnus serrulata (Aiton) Willd. Native ALSE2

  hazel alder · Betulaceae 43 counties
• ⚘
  Alnus ×fallacina Callier [incana × serrulata] Native ALFA4

  alder · Betulaceae 20 counties
• 
  Alopecurus aequalis Sobol. Native ALAE

  shortawn foxtail · Poaceae 24 counties
• 
  Alopecurus aequalis Sobol. var. aequalis Native ALAEA

  shortawn foxtail · Poaceae 24 counties
• 
  Alopecurus carolinianus Walter Native ALCA4

  Carolina foxtail · Poaceae 8 counties
• 
  Amaranthus hybridus L. Native AMHY

  slim amaranth · Amaranthaceae 58 counties
• 
  Amaranthus palmeri S. Watson Native AMPA

  carelessweed · Amaranthaceae 2 counties
• 
  Amaranthus powellii S. Watson Native AMPO2

  Powell's amaranth · Amaranthaceae 1 county
• 
  Amaranthus powellii S. Watson ssp. powellii Native AMPOP

  Powell's amaranth · Amaranthaceae 1 county
• 
  Amaranthus retroflexus L. Native AMRE

  redroot amaranth · Amaranthaceae 61 counties
• 
  Amaranthus spinosus L. Native AMSP

  spiny amaranth · Amaranthaceae 11 counties
• 
  Amaranthus tuberculatus (Moq.) Sauer Native AMTU

  roughfruit amaranth · Amaranthaceae 55 counties
• 
  Ambrosia bidentata Michx. Native AMBI2

  lanceleaf ragweed · Asteraceae 8 counties
• 
  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae 5 counties
• 
  Ambrosia trifida L. Native AMTR

  great ragweed · Asteraceae 64 counties
• 
  Ambrosia trifida L. var. trifida Native AMTRT2

  great ragweed · Asteraceae 64 counties
• ⚘
  Ambrosia ×helenae Rouleau [artemisiifolia × trifida] Native AMHE3

  ragweed · Asteraceae 1 county
• 
  Amelanchier arborea (Michx. f.) Fernald Native AMAR3

  common serviceberry · Rosaceae 73 counties
• 
  Amelanchier arborea (Michx. f.) Fernald var. arborea Native AMARA4

  common serviceberry · Rosaceae 73 counties
• 
  Amelanchier interior E.L. Nielsen Native AMIN2

  inland serviceberry · Rosaceae 1 county
• 
  Amelanchier laevis Wiegand Native AMLA

  Allegheny serviceberry · Rosaceae 18 counties
• 
  Amelanchier sanguinea (Pursh) DC. Native AMSA

  roundleaf serviceberry · Rosaceae 8 counties
• 
  Amelanchier sanguinea (Pursh) DC. var. sanguinea Native AMSAS

  roundleaf serviceberry · Rosaceae 8 counties
• 
  Amelanchier stolonifera Wiegand Native AMST80

  running serviceberry · Rosaceae 17 counties
• 
  Ammannia coccinea Rottb. Native AMCO

  valley redstem · Lythraceae 11 counties
• 
  Ammannia robusta Heer & Regel Native AMRO3

  grand redstem · Lythraceae 19 counties
• 
  Ammophila breviligulata Fernald Native AMBR

  American beachgrass · Poaceae 3 counties
• 
  Amorpha fruticosa L. Native AMFR

  false indigo bush · Fabaceae 17 counties
• 
  Ampelopsis cordata Michx. Native AMCO2

  heartleaf peppervine · Vitaceae 6 counties
• 
  Amphiachyris dracunculoides (DC.) Nutt. Native AMDR

  prairie broomweed · Asteraceae 1 county