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 451–500 of 3,424.

• 
  Calycanthus floridus L. var. glaucus (Willd.) Torr. & A. Gray Native CAFLG

  eastern sweetshrub · Calycanthaceae 2 counties
• 
  Calystegia hederacea Wall. Introduced CAHE21

  Japanese false bindweed · Convolvulaceae 12 counties
• 
  Calystegia sepium (L.) R. Br. Both CASE13

  hedge false bindweed · Convolvulaceae 84 counties
• 
  Calystegia sepium (L.) R. Br. ssp. angulata Brummitt Native CASEA3

  hedge false bindweed · Convolvulaceae 1 county
• 
  Calystegia sepium (L.) R. Br. ssp. sepium Introduced CASES

  hedge false bindweed · Convolvulaceae 2 counties
• 
  Calystegia silvatica (Kit.) Griseb. Both CASI10

  shortstalk false bindweed · Convolvulaceae 2 counties
• 
  Calystegia silvatica (Kit.) Griseb. ssp. fraterniflora (Mack. & Bush) Brummitt Native CASIF

  shortstalk false bindweed · Convolvulaceae 2 counties
• 
  Calystegia spithamaea (L.) Pursh Native CASP14

  low false bindweed · Convolvulaceae 39 counties
• 
  Calystegia spithamaea (L.) Pursh ssp. spithamaea Native CASPS2

  low false bindweed · Convolvulaceae 39 counties
• 
  Camassia scilloides (Raf.) Cory Native CASC5

  Atlantic camas · Liliaceae 55 counties
• 
  Camelina microcarpa Andrz. ex DC. Introduced CAMI2

  littlepod false flax · Brassicaceae 34 counties
• 
  Camelina sativa (L.) Crantz Introduced CASA2

  false flax · Brassicaceae 17 counties
• 
  Camelina sativa (L.) Crantz ssp. sativa Introduced CASAS2

  gold-of-pleasure · Brassicaceae 17 counties
• 
  Campanula aparinoides Pursh Native CAAP2

  marsh bellflower · Campanulaceae 34 counties
• 
  Campanula rapunculoides L. Introduced CARA

  rampion bellflower · Campanulaceae 21 counties
• 
  Campanula rotundifolia L. Native CARO2

  bluebell bellflower · Campanulaceae 4 counties
• 
  Campanula trachelium L. Introduced CATR4

  bats in the belfry · Campanulaceae 2 counties
• 
  Campanulastrum americanum (L.) Small Native CAAM18

  American bellflower · Campanulaceae 82 counties
• 
  Campsis radicans (L.) Seem. ex Bureau Native CARA2

  trumpet creeper · Bignoniaceae 69 counties
• 
  Cannabis sativa L. Introduced CASA3

  marijuana · Cannabaceae 19 counties
• 
  Cannabis sativa L. ssp. sativa Introduced CASAS3

  marijuana · Cannabaceae 19 counties
• 
  Cannabis sativa L. ssp. sativa var. sativa Introduced CASAS9

  marijuana · Cannabaceae 19 counties
• 
  Capsella bursa-pastoris (L.) Medik. Introduced CABU2

  shepherd's purse · Brassicaceae 85 counties
• 
  Cardamine angustata O.E. Schulz Native CAAN11

  slender toothwort · Brassicaceae 25 counties
• 
  Cardamine bulbosa (Schreb. ex Muhl.) Britton, Sterns & Poggenb. Native CABU3

  bulbous bittercress · Brassicaceae 72 counties
• 
  Cardamine concatenata (Michx.) Sw. Native CACO26

  cutleaf toothwort · Brassicaceae 88 counties
• 
  Cardamine diphylla (Michx.) Alph. Wood Native CADI10

  crinkleroot · Brassicaceae 44 counties
• 
  Cardamine dissecta (Leavenworth) Al-Shehbaz Native CADI28

  forkleaf toothwort · Brassicaceae 7 counties
• 
  Cardamine douglassii Britton Native CADO

  limestone bittercress · Brassicaceae 80 counties
• 
  Cardamine hirsuta L. Introduced CAHI3

  hairy bittercress · Brassicaceae 32 counties
• 
  Cardamine impatiens L. Introduced CAIM

  narrowleaf bittercress · Brassicaceae 3 counties
• 
  Cardamine maxima (Nutt.) Alph. Wood Native CAMA36

  large toothwort · Brassicaceae 1 county
• 
  Cardamine parviflora L. Native CAPA12

  sand bittercress · Brassicaceae 19 counties
• 
  Cardamine parviflora L. var. arenicola (Britton) O.E. Schulz Native CAPAA2

  sand bittercress · Brassicaceae 19 counties
• 
  Cardamine pensylvanica Muhl. ex Willd. Native CAPE3

  Pennsylvania bittercress · Brassicaceae 72 counties
• 
  Cardamine pratensis L. Native CAPR3

  cuckoo flower · Brassicaceae 4 counties
• 
  Cardamine pratensis L. var. pratensis Native CAPRP

  cuckoo flower · Brassicaceae 4 counties
• 
  Cardamine rotundifolia Michx. Native CARO3

  American bittercress · Brassicaceae 14 counties
• 
  Cardaria draba (L.) Desv. Introduced CADR

  whitetop · Brassicaceae 13 counties
• 
  Cardiospermum halicacabum L. Introduced CAHA13

  balloon vine · Sapindaceae 2 counties
• 
  Carduus acanthoides L. Introduced CAAC

  spiny plumeless thistle · Asteraceae 5 counties
• 
  Carduus crispus L. Introduced CACR2

  curly plumeless thistle · Asteraceae 1 county
• 
  Carduus nutans L. Introduced CANU4

  nodding plumeless thistle · Asteraceae 17 counties
• 
  Carex aggregata Mack. Native CAAG2

  glomerate sedge · Cyperaceae 8 counties
• 
  Carex alata Torr. Native CAAL3

  broadwing sedge · Cyperaceae 4 counties
• 
  Carex albicans Willd. ex Spreng. Native CAAL25

  whitetinge sedge · Cyperaceae 33 counties
• 
  Carex albicans Willd. ex Spreng. var. albicans Native CAALA

  whitetinge sedge · Cyperaceae 33 counties
• 
  Carex albicans Willd. ex Spreng. var. emmonsii (Dewey ex Torr.) J. Rettig Native CAALE

  Emmons' sedge · Cyperaceae 3 counties
• 
  Carex albolutescens Schwein. Native CAAL5

  greenwhite sedge · Cyperaceae 1 county
• 
  Carex albursina Sheldon Native CAAL11

  white bear sedge · Cyperaceae 37 counties