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 901–950 of 3,424.

• ⚘
  Crataegus pringlei Sarg. Native CRPR

  Pringle's hawthorn · Rosaceae 2 counties
• 
  Crataegus pruinosa (Wendl. f.) K. Koch Native CRPR2

  waxyfruit hawthorn · Rosaceae 57 counties
• 
  Crataegus punctata Jacq. Native CRPU

  dotted hawthorn · Rosaceae 77 counties
• 
  Crataegus succulenta Schrad. ex Link Native CRSU5

  fleshy hawthorn · Rosaceae 27 counties
• 
  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
• 
  Crotalaria sagittalis L. Native CRSA4

  arrowhead rattlebox · Fabaceae 4 counties
• 
  Croton capitatus Michx. Native CRCA6

  hogwort · Euphorbiaceae 5 counties
• 
  Croton capitatus Michx. var. capitatus Native CRCAC2

  hogwort · Euphorbiaceae 5 counties
• 
  Croton glandulosus L. Both CRGL2

  vente conmigo · Euphorbiaceae 7 counties
• 
  Croton glandulosus L. var. septentrionalis Müll. Arg. Native CRGLS

  vente conmigo · Euphorbiaceae 7 counties
• 
  Croton michauxii G.L. Webster Native CRMI8

  Michaux's croton · Euphorbiaceae 1 county
• 
  Croton michauxii G.L. Webster var. ellipticus (Willd.) B.W. van Ee & P.E. Berry Native CRMIE

  Michaux's croton · Euphorbiaceae 1 county
• 
  Croton monanthogynus Michx. Native CRMO6

  prairie tea · Euphorbiaceae 17 counties
• 
  Cruciata pedemontana (Bellardi) Ehrend. Introduced CRPE10

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

  swamp pricklegrass · Poaceae 1 county
• 
  Cryptotaenia canadensis (L.) DC. Native CRCA9

  Canadian honewort · Apiaceae 81 counties
• 
  Cucumis melo L. Introduced CUME

  cantaloupe · Cucurbitaceae 9 counties
• 
  Cucurbita foetidissima Kunth Native CUFO

  Missouri gourd · Cucurbitaceae 2 counties
• 
  Cucurbita maxima Duchesne Introduced CUMA3

  winter squash · Cucurbitaceae 4 counties
• 
  Cucurbita pepo L. Both CUPE

  field pumpkin · Cucurbitaceae 7 counties
• 
  Cucurbita pepo L. var. ovifera (L.) Harz Native CUPEO

  field pumpkin · Cucurbitaceae 1 county
• 
  Cucurbita pepo L. var. pepo Introduced CUPEP

  field pumpkin · Cucurbitaceae 6 counties
• 
  Cunila origanoides (L.) Britton Native CUOR

  common dittany · Lamiaceae 28 counties
• 
  Cuphea viscosissima Jacq. Native CUVI

  blue waxweed · Lythraceae 46 counties
• 
  Cuscuta cephalanthi Engelm. Native CUCE

  buttonbush dodder · Cuscutaceae 15 counties
• 
  Cuscuta compacta Juss. ex Choisy Native CUCO2

  compact dodder · Cuscutaceae 1 county
• 
  Cuscuta compacta Juss. ex Choisy var. compacta Native CUCOC

  compact dodder · Cuscutaceae 1 county
• 
  Cuscuta coryli Engelm. Native CUCO3

  hazel dodder · Cuscutaceae 10 counties
• 
  Cuscuta epilinum Weihe Introduced CUEP2

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

  clover dodder · Cuscutaceae 7 counties
• 
  Cuscuta glomerata Choisy Native CUGL3

  rope dodder · Cuscutaceae 5 counties
• 
  Cuscuta gronovii Willd. ex Schult. Native CUGR

  scaldweed · Cuscutaceae 70 counties
• 
  Cuscuta gronovii Willd. ex Schult. var. gronovii Native CUGRG

  scaldweed · Cuscutaceae 70 counties
• 
  Cuscuta pentagona Engelm. Native CUPE3

  fiveangled dodder · Cuscutaceae 25 counties
• 
  Cuscuta pentagona Engelm. var. pentagona Native CUPEP2

  fiveangled dodder · Cuscutaceae 25 counties
• 
  Cuscuta polygonorum Engelm. Native CUPO

  smartweed dodder · Cuscutaceae 14 counties
• 
  Cuscuta suaveolens Ser. Introduced CUSU

  fringed dodder · Cuscutaceae 2 counties
• 
  Cyclachaena xanthiifolia (Nutt.) Fresen. Native CYXA2

  carelessweed · Asteraceae 3 counties
• 
  Cycloloma atriplicifolium (Spreng.) J.M. Coult. Native CYAT

  winged pigweed · Chenopodiaceae 20 counties
• 
  Cymbalaria muralis G. Gaertn., B. Mey. & Scherb. Introduced CYMU

  Kenilworth ivy · Scrophulariaceae 21 counties
• 
  Cynanchum laeve (Michx.) Pers. Native CYLA

  honeyvine · Asclepiadaceae 41 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
• 
  Cynoglossum virginianum L. Native CYVI

  wild comfrey · Boraginaceae 43 counties
• 
  Cynoglossum virginianum L. var. virginianum Native CYVIV

  wild comfrey · Boraginaceae 2 counties
• 
  Cynosurus cristatus L. Introduced CYCR

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

  bristly dogstail grass · Poaceae 1 county