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 701–750 of 2,588 (native).

• 
  Cryptotaenia canadensis (L.) DC. Native CRCA9

  Canadian honewort · Apiaceae 81 counties
• 
  Cucurbita foetidissima Kunth Native CUFO

  Missouri gourd · Cucurbitaceae 2 counties
• 
  Cucurbita pepo L. var. ovifera (L.) Harz Native CUPEO

  field pumpkin · Cucurbitaceae 1 county
• 
  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 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
• 
  Cyclachaena xanthiifolia (Nutt.) Fresen. Native CYXA2

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

  winged pigweed · Chenopodiaceae 20 counties
• 
  Cynanchum laeve (Michx.) Pers. Native CYLA

  honeyvine · Asclepiadaceae 41 counties
• 
  Cynoglossum virginianum L. Native CYVI

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

  wild comfrey · Boraginaceae 2 counties
• 
  Cyperus acuminatus Torr. & Hook. ex Torr. Native CYAC2

  tapertip flatsedge · Cyperaceae 3 counties
• 
  Cyperus bipartitus Torr. Native CYBI6

  slender flatsedge · Cyperaceae 41 counties
• 
  Cyperus diandrus Torr. Native CYDI3

  umbrella flatsedge · Cyperaceae 3 counties
• 
  Cyperus echinatus (L.) Alph. Wood Native CYEC2

  globe flatsedge · Cyperaceae 13 counties
• 
  Cyperus erythrorhizos Muhl. Native CYER2

  redroot flatsedge · Cyperaceae 20 counties
• 
  Cyperus flavescens L. Native CYFL

  yellow flatsedge · Cyperaceae 27 counties
• 
  Cyperus houghtonii Torr. Native CYHO

  Houghton's flatsedge · Cyperaceae 1 county
• 
  Cyperus lancastriensis Porter ex A. Gray Native CYLA3

  manyflower flatsedge · Cyperaceae 2 counties
• 
  Cyperus lupulinus (Spreng.) Marcks Native CYLU2

  Great Plains flatsedge · Cyperaceae 33 counties
• 
  Cyperus lupulinus (Spreng.) Marcks ssp. lupulinus Native CYLUL

  Great Plains flatsedge · Cyperaceae 31 counties
• 
  Cyperus lupulinus (Spreng.) Marcks ssp. macilentus (Fernald) Marcks Native CYLUM

  Great Plains flatsedge · Cyperaceae 1 county
• 
  Cyperus odoratus L. Native CYOD

  fragrant flatsedge · Cyperaceae 33 counties
• 
  Cyperus refractus Engelm. ex Boeckeler Native CYRE3

  reflexed flatsedge · Cyperaceae 3 counties
• 
  Cyperus retrofractus (L.) Torr. Native CYRE4

  rough flatsedge · Cyperaceae 2 counties
• 
  Cyperus schweinitzii Torr. Native CYSC3

  Schweinitz's flatsedge · Cyperaceae 5 counties
• 
  Cyperus squarrosus L. Native CYSQ

  bearded flatsedge · Cyperaceae 13 counties
• 
  Cyperus strigosus L. Native CYST

  strawcolored flatsedge · Cyperaceae 72 counties
• 
  Cypripedium acaule Aiton Native CYAC3

  moccasin flower · Orchidaceae 23 counties
• 
  Cypripedium candidum Muhl. ex Willd. Native CYCA5

  white lady's slipper · Orchidaceae 7 counties
• 
  Cypripedium parviflorum Salisb. Native CYPA19

  lesser yellow lady's slipper · Orchidaceae 36 counties
• 
  Cypripedium parviflorum Salisb. var. parviflorum Native CYPAP4

  lesser yellow lady's slipper · Orchidaceae 1 county
• 
  Cypripedium parviflorum Salisb. var. pubescens (Willd.) Knight Native CYPAP3

  greater yellow lady's slipper · Orchidaceae 36 counties
• 
  Cypripedium reginae Walter Native CYRE6

  showy lady's slipper · Orchidaceae 13 counties
• 
  Cystopteris bulbifera (L.) Bernh. Native CYBU3

  bulblet bladderfern · Dryopteridaceae 40 counties
• 
  Cystopteris fragilis (L.) Bernh. Native CYFR2

  brittle bladderfern · Dryopteridaceae 2 counties
• 
  Cystopteris protrusa (Weath.) Blasdell Native CYPR4

  lowland bladderfern · Dryopteridaceae 79 counties
• 
  Cystopteris tennesseensis Shaver Native CYTE3

  Tennessee bladderfern · Dryopteridaceae 22 counties
• 
  Cystopteris tenuis (Michx.) Desv. Native CYTE7

  upland brittle bladderfern · Dryopteridaceae 43 counties
• ⚘
  Cystopteris ×illinoensis R.C. Moran [bulbifera × tenuis] Native CYIL

  bladderfern · Dryopteridaceae 1 county
• ⚘
  Cystopteris ×wagneri R.C. Moran [tennesseensis × tenuis] Native CYWA8

  bladderfern · Dryopteridaceae 2 counties