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 201–250 of 796 (introduced).

• 
  Crepis biennis L. Introduced CRBI3

  rough hawksbeard · Asteraceae 1 county
• 
  Crepis capillaris (L.) Wallr. Introduced CRCA3

  smooth hawksbeard · Asteraceae 8 counties
• 
  Crepis pulchra L. Introduced CRPU3

  smallflower hawksbeard · Asteraceae 8 counties
• 
  Cruciata pedemontana (Bellardi) Ehrend. Introduced CRPE10

  piedmont bedstraw · Rubiaceae 13 counties
• 
  Crypsis schoenoides (L.) Lam. Introduced CRSC

  swamp pricklegrass · Poaceae 1 county
• 
  Cucumis melo L. Introduced CUME

  cantaloupe · Cucurbitaceae 9 counties
• 
  Cucurbita maxima Duchesne Introduced CUMA3

  winter squash · Cucurbitaceae 4 counties
• 
  Cucurbita pepo L. var. pepo Introduced CUPEP

  field pumpkin · Cucurbitaceae 6 counties
• 
  Cuscuta epilinum Weihe Introduced CUEP2

  flax dodder · Cuscutaceae 1 county
• 
  Cuscuta epithymum (L.) L. Introduced CUEP

  clover dodder · Cuscutaceae 7 counties
• 
  Cuscuta suaveolens Ser. Introduced CUSU

  fringed dodder · Cuscutaceae 2 counties
• 
  Cymbalaria muralis G. Gaertn., B. Mey. & Scherb. Introduced CYMU

  Kenilworth ivy · Scrophulariaceae 21 counties
• 
  Cynanchum louiseae Kartesz & Gandhi Introduced CYLO11

  Louise's swallow-wort · Asclepiadaceae 5 counties
• 
  Cynodon dactylon (L.) Pers. Introduced CYDA

  Bermudagrass · Poaceae 1 county
• 
  Cynoglossum officinale L. Introduced CYOF

  gypsyflower · Boraginaceae 61 counties
• 
  Cynosurus cristatus L. Introduced CYCR

  crested dogstail grass · Poaceae 4 counties
• 
  Cynosurus echinatus L. Introduced CYEC

  bristly dogstail grass · Poaceae 1 county
• 
  Cyperus difformis L. Introduced CYDI4

  variable flatsedge · Cyperaceae 1 county
• 
  Cyperus esculentus L. var. leptostachyus Boeckeler Introduced CYESL

  yellow nutsedge · Cyperaceae 35 counties
• ⚘
  Cyperus involucratus Rottb. Introduced CYIN6

  umbrella plant · Cyperaceae 1 county
• 
  Dactylis glomerata L. Introduced DAGL

  orchardgrass · Poaceae 6 counties
• 
  Dactylis glomerata L. ssp. glomerata Introduced DAGLG

  orchardgrass · Poaceae 6 counties
• 
  Daphne mezereum L. Introduced DAME3

  paradise plant · Thymelaeaceae 1 county
• 
  Datura stramonium L. Introduced DAST

  jimsonweed · Solanaceae 71 counties
• 
  Daucus carota L. Introduced DACA6

  Queen Anne's lace · Apiaceae 86 counties
• 
  Descurainia sophia (L.) Webb ex Prantl Introduced DESO2

  herb sophia · Brassicaceae 7 counties
• 
  Dianthus armeria L. Introduced DIAR

  Deptford pink · Caryophyllaceae 64 counties
• 
  Dianthus barbatus L. Introduced DIBA

  sweetwilliam · Caryophyllaceae 16 counties
• 
  Dianthus deltoides L. Introduced DIDE

  maiden pink · Caryophyllaceae 6 counties
• 
  Digitalis grandiflora Mill. Introduced DIGR4

  yellow foxglove · Scrophulariaceae 2 counties
• 
  Digitalis lanata Ehrh. Introduced DILA3

  Grecian foxglove · Scrophulariaceae 2 counties
• 
  Digitalis lutea L. Introduced DILU

  straw foxglove · Scrophulariaceae 1 county
• 
  Digitalis purpurea L. Introduced DIPU

  purple foxglove · Scrophulariaceae 2 counties
• 
  Digitalis purpurea L. ssp. purpurea Introduced DIPUP2

  purple foxglove · Scrophulariaceae 2 counties
• 
  Digitaria ischaemum (Schreb.) Schreb. ex Muhl. Introduced DIIS

  smooth crabgrass · Poaceae 12 counties
• 
  Digitaria sanguinalis (L.) Scop. Introduced DISA

  hairy crabgrass · Poaceae 5 counties
• 
  Dioscorea oppositifolia L. Introduced DIOP

  Chinese yam · Dioscoreaceae 1 county
• 
  Diplotaxis muralis (L.) DC. Introduced DIMU2

  annual wallrocket · Brassicaceae 5 counties
• 
  Diplotaxis tenuifolia (L.) DC. Introduced DITE4

  perennial wallrocket · Brassicaceae 6 counties
• 
  Dipsacus fullonum L. Introduced DIFU2

  Fuller's teasel · Dipsacaceae 81 counties
• 
  Dipsacus laciniatus L. Introduced DILA4

  cutleaf teasel · Dipsacaceae 20 counties
• 
  Dipsacus sativus (L.) Honck. Introduced DISA9

  Indian teasel · Dipsacaceae 2 counties
• 
  Draba verna L. Introduced DRVE2

  spring draba · Brassicaceae 49 counties
• 
  Duchesnea indica (Andrews) Teschem. Introduced DUIN2

  Indian strawberry · Rosaceae 17 counties
• 
  Dysphania botrys (L.) Mosyakin & Clemants Introduced DYBO

  Jerusalem oak goosefoot · Chenopodiaceae 35 counties
• 
  Dysphania pumilio (R. Br.) Mosyakin & Clemants Introduced DYPU

  clammy goosefoot · Chenopodiaceae 2 counties
• 
  Echinochloa crus-galli (L.) P. Beauv. Introduced ECCR

  barnyardgrass · Poaceae 7 counties
• ⚘
  Echinochloa frumentacea Link Introduced ECFR

  billion-dollar grass · Poaceae 1 county
• 
  Echium vulgare L. Introduced ECVU

  common viper's bugloss · Boraginaceae 42 counties
• 
  Egeria densa Planch. Introduced EGDE

  Brazilian waterweed · Hydrocharitaceae 1 county