Wisconsin

• Adams 55001
  1,200 taxa Open ↗
• Ashland 55003
  1,200 taxa Open ↗
• Barron 55005
  823 taxa Open ↗
• Bayfield 55007
  1,332 taxa Open ↗
• Brown 55009
  1,537 taxa Open ↗
• Buffalo 55011
  853 taxa Open ↗
• Burnett 55013
  863 taxa Open ↗
• Calumet 55015
  578 taxa Open ↗
• Chippewa 55017
  984 taxa Open ↗
• Clark 55019
  762 taxa Open ↗

Showing 151–200 of 651 (introduced).

• 
  Cerastium tomentosum L. Introduced CETO2

  snow in summer · Caryophyllaceae 2 counties
• 
  Chaenomeles speciosa (Sweet) Nakai Introduced CHSP12

  flowering quince · Rosaceae 1 county
• 
  Chaenorhinum minus (L.) Lange Introduced CHMI

  dwarf snapdragon · Scrophulariaceae 31 counties
• 
  Chaiturus marrubiastrum (L.) Rchb. Introduced CHMA18

  lion's tail · Lamiaceae 2 counties
• 
  Chelidonium majus L. Introduced CHMA2

  celandine · Papaveraceae 15 counties
• 
  Chelidonium majus L. var. majus Introduced CHMAM

  celandine · Papaveraceae 15 counties
• 
  Chenopodium foliosum (Moench) Asch. Introduced CHFO2

  leafy goosefoot · Chenopodiaceae 1 county
• 
  Chenopodium glaucum L. Introduced CHGL3

  oakleaf goosefoot · Chenopodiaceae 21 counties
• 
  Chenopodium murale L. Introduced CHMU2

  nettleleaf goosefoot · Chenopodiaceae 4 counties
• 
  Chenopodium polyspermum L. Introduced CHPO

  manyseed goosefoot · Chenopodiaceae 1 county
• 
  Chenopodium polyspermum L. var. acutifolium (Sm.) Gaudich. Introduced CHPOA

  manyseed goosefoot · Chenopodiaceae 1 county
• 
  Chenopodium urbicum L. Introduced CHUR

  city goosefoot · Chenopodiaceae 3 counties
• 
  Cichorium intybus L. Introduced CIIN

  chicory · Asteraceae 45 counties
• 
  Cirsium arvense (L.) Scop. Introduced CIAR4

  Canada thistle · Asteraceae 60 counties
• 
  Cirsium palustre (L.) Scop. Introduced CIPA6

  marsh thistle · Asteraceae 9 counties
• 
  Cirsium vulgare (Savi) Ten. Introduced CIVU

  bull thistle · Asteraceae 56 counties
• 
  Citrullus lanatus (Thunb.) Matsum. & Nakai Introduced CILA3

  watermelon · Cucurbitaceae 5 counties
• 
  Citrullus lanatus (Thunb.) Matsum. & Nakai var. lanatus Introduced CILAL

  watermelon · Cucurbitaceae 5 counties
• 
  Cleome hassleriana Chod. Introduced CLHA

  pink queen · Capparaceae 2 counties
• 
  Cnicus benedictus L. Introduced CNBE

  blessed thistle · Asteraceae 1 county
• 
  Commelina communis L. Introduced COCO3

  Asiatic dayflower · Commelinaceae 32 counties
• 
  Conium maculatum L. Introduced COMA2

  poison hemlock · Apiaceae 6 counties
• 
  Conringia orientalis (L.) Dumort. Introduced COOR

  hare's ear mustard · Brassicaceae 11 counties
• 
  Consolida ajacis (L.) Schur Introduced COAJ

  doubtful knight's-spur · Ranunculaceae 1 county
• 
  Convallaria majalis L. Introduced COMA7

  European lily of the valley · Liliaceae 18 counties
• 
  Convolvulus arvensis L. Introduced COAR4

  field bindweed · Convolvulaceae 34 counties
• 
  Coronopus didymus (L.) Sm. Introduced CODI6

  lesser swinecress · Brassicaceae 2 counties
• 
  Cosmos bipinnatus Cav. Introduced COBI2

  garden cosmos · Asteraceae 3 counties
• 
  Crataegus monogyna Jacq. Introduced CRMO3

  oneseed hawthorn · Rosaceae 3 counties
• 
  Crepis capillaris (L.) Wallr. Introduced CRCA3

  smooth hawksbeard · Asteraceae 3 counties
• 
  Crepis foetida L. Introduced CRFO2

  stinking hawksbeard · Asteraceae 1 county
• 
  Crepis foetida L. var. rhoeadifolia (M. Bieb.) Celak. Introduced CRFOR

  stinking hawksbeard · Asteraceae 1 county
• 
  Crepis tectorum L. Introduced CRTE3

  narrowleaf hawksbeard · Asteraceae 29 counties
• 
  Crypsis schoenoides (L.) Lam. Introduced CRSC

  swamp pricklegrass · Poaceae 3 counties
• 
  Cucumis melo L. Introduced CUME

  cantaloupe · Cucurbitaceae 2 counties
• 
  Cucurbita maxima Duchesne Introduced CUMA3

  winter squash · Cucurbitaceae 1 county
• 
  Cynanchum louiseae Kartesz & Gandhi Introduced CYLO11

  Louise's swallow-wort · Asclepiadaceae 3 counties
• 
  Cynoglossum amabile Stapf & J.R. Drumm. Introduced CYAM3

  Chinese hound's tongue · Boraginaceae 4 counties
• 
  Cynoglossum officinale L. Introduced CYOF

  gypsyflower · Boraginaceae 38 counties
• 
  Cynosurus cristatus L. Introduced CYCR

  crested dogstail grass · Poaceae 1 county
• 
  Cyperus esculentus L. var. leptostachyus Boeckeler Introduced CYESL

  yellow nutsedge · Cyperaceae 44 counties
• 
  Dactylis glomerata L. Introduced DAGL

  orchardgrass · Poaceae 49 counties
• 
  Dactylis glomerata L. ssp. glomerata Introduced DAGLG

  orchardgrass · Poaceae 49 counties
• 
  Datura stramonium L. Introduced DAST

  jimsonweed · Solanaceae 17 counties
• 
  Daucus carota L. Introduced DACA6

  Queen Anne's lace · Apiaceae 40 counties
• 
  Descurainia sophia (L.) Webb ex Prantl Introduced DESO2

  herb sophia · Brassicaceae 16 counties
• 
  Dianthus armeria L. Introduced DIAR

  Deptford pink · Caryophyllaceae 32 counties
• 
  Dianthus barbatus L. Introduced DIBA

  sweetwilliam · Caryophyllaceae 12 counties
• 
  Dianthus carthusianorum L. Introduced DICA19

  clusterhead · Caryophyllaceae 1 county
• 
  Dianthus deltoides L. Introduced DIDE

  maiden pink · Caryophyllaceae 2 counties