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 3,424.

• 
  Agalinis purpurea (L.) Pennell Native AGPU5

  purple false foxglove · Scrophulariaceae 33 counties
• 
  Agalinis skinneriana (Alph. Wood) Britton Native AGSK

  Skinner's false foxglove · Scrophulariaceae 4 counties
• 
  Agalinis tenuifolia (Vahl) Raf. Native AGTE3

  slenderleaf false foxglove · Scrophulariaceae 69 counties
• 
  Agalinis tenuifolia (Vahl) Raf. var. macrophylla (Benth.) S.F. Blake Native AGTEM

  slenderleaf false foxglove · Scrophulariaceae 21 counties
• 
  Agalinis tenuifolia (Vahl) Raf. var. parviflora (Nutt.) Pennell Native AGTEP2

  slenderleaf false foxglove · Scrophulariaceae 1 county
• 
  Agalinis tenuifolia (Vahl) Raf. var. tenuifolia Native AGTET

  slenderleaf false foxglove · Scrophulariaceae 14 counties
• 
  Agastache nepetoides (L.) Kuntze Native AGNE2

  yellow giant hyssop · Lamiaceae 55 counties
• 
  Agastache scrophulariifolia (Willd.) Kuntze Native AGSC

  purple giant hyssop · Lamiaceae 27 counties
• 
  Ageratina altissima (L.) R.M. King & H. Rob. Native AGAL5

  white snakeroot · Asteraceae 75 counties
• 
  Ageratina altissima (L.) R.M. King & H. Rob. var. altissima Native AGALA

  white snakeroot · Asteraceae 75 counties
• 
  Ageratina aromatica (L.) Spach Native AGAR4

  lesser snakeroot · Asteraceae 4 counties
• 
  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
• 
  Agropyron desertorum (Fisch. ex Link) Schult. Introduced AGDE2

  desert wheatgrass · Poaceae 1 county
• 
  Agrostemma githago L. Introduced AGGI

  common corncockle · Caryophyllaceae 61 counties
• 
  Agrostis elliottiana Schult. Native AGEL4

  Elliott's bentgrass · Poaceae 5 counties
• 
  Agrostis gigantea Roth Introduced AGGI2

  redtop · Poaceae 6 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
• 
  Agrostis stolonifera L. Introduced AGST2

  creeping bentgrass · Poaceae 1 county
• 
  Ailanthus altissima (Mill.) Swingle Introduced AIAL

  tree of heaven · Simaroubaceae 88 counties
• 
  Aira caryophyllea L. Introduced AICA

  silver hairgrass · Poaceae 1 county
• 
  Aira caryophyllea L. var. caryophyllea Introduced AICAC2

  silver hairgrass · Poaceae 1 county
• 
  Ajuga genevensis L. Introduced AJGE

  blue bugle · Lamiaceae 1 county
• 
  Ajuga reptans L. Introduced AJRE

  common bugle · Lamiaceae 20 counties
• 
  Akebia quinata (Houtt.) Decne. Introduced AKQU

  chocolate vine · Lardizabalaceae 4 counties
• 
  Albizia julibrissin Durazz. Introduced ALJU

  silktree · Fabaceae 1 county
• 
  Alcea rosea L. Introduced ALRO3

  hollyhock · Malvaceae 15 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
• 
  Alliaria petiolata (M. Bieb.) Cavara & Grande Introduced ALPE4

  garlic mustard · Brassicaceae 37 counties
• 
  Allium canadense L. Native ALCA3

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

  meadow garlic · Liliaceae 63 counties
• 
  Allium cepa L. Introduced ALCE

  garden onion · Liliaceae 2 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
• 
  Allium tuberosum Rottler ex Spreng. Introduced ALTU3

  Chinese chives · Liliaceae 1 county
• 
  Allium vineale L. Introduced ALVI

  wild garlic · Liliaceae 10 counties
• 
  Allium vineale L. ssp. vineale Introduced ALVIV

  wild garlic · Liliaceae 10 counties
• 
  Alnus glutinosa (L.) Gaertn. Introduced ALGL2

  European alder · Betulaceae 14 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