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 701–750 of 3,207.

• 
  Centaurea macrocephala Puschk. ex Willd. Introduced CEMA9

  bighead knapweed · Asteraceae 1 county
• 
  Centaurea montana L. Introduced CEMO

  perennial cornflower · Asteraceae 3 counties
• 
  Centaurea nigra L. Introduced CENI2

  lesser knapweed · Asteraceae 2 counties
• 
  Centaurea nigrescens Willd. Introduced CENI3

  Tyrol knapweed · Asteraceae 5 counties
• 
  Centaurea solstitialis L. Introduced CESO3

  yellow star-thistle · Asteraceae 3 counties
• 
  Centaurea stoebe L. Introduced CEST8

  spotted knapweed · Asteraceae 48 counties
• 
  Centaurea stoebe L. ssp. micranthos (Gugler) Hayek Introduced CESTM

  spotted knapweed · Asteraceae 48 counties
• 
  Centaurium pulchellum (Sw.) Druce Introduced CEPU3

  branched centaury · Gentianaceae 11 counties
• 
  Cephalanthus occidentalis L. Native CEOC2

  common buttonbush · Rubiaceae 35 counties
• 
  Cephalaria gigantea (Ledeb.) Bobr. Introduced CEGI2

  Tatarian cephalaria · Dipsacaceae 1 county
• 
  Cerastium arvense L. Both CEAR4

  field chickweed · Caryophyllaceae 15 counties
• 
  Cerastium arvense L. ssp. arvense Introduced CEARA2

  field chickweed · Caryophyllaceae 14 counties
• 
  Cerastium arvense L. ssp. velutinum (Raf.) Ugborogho Native CEARV2

  field chickweed · Caryophyllaceae 1 county
• 
  Cerastium arvense L. ssp. velutinum (Raf.) Ugborogho var. velutinum (Raf.) Britton Native CEARV3

  field chickweed · Caryophyllaceae 1 county
• 
  Cerastium brachypodum (Engelm. ex A. Gray) B.L. Rob. Native CEBR3

  shortstalk chickweed · Caryophyllaceae 2 counties
• 
  Cerastium fontanum Baumg. Introduced CEFO2

  common mouse-ear chickweed · Caryophyllaceae 63 counties
• 
  Cerastium fontanum Baumg. ssp. vulgare (Hartm.) Greuter & Burdet Introduced CEFOV2

  big chickweed · Caryophyllaceae 63 counties
• 
  Cerastium nutans Raf. Native CENU2

  nodding chickweed · Caryophyllaceae 17 counties
• 
  Cerastium nutans Raf. var. nutans Native CENUN

  nodding chickweed · Caryophyllaceae 17 counties
• 
  Cerastium semidecandrum L. Introduced CESE4

  fivestamen chickweed · Caryophyllaceae 1 county
• 
  Cerastium tomentosum L. Introduced CETO2

  snow in summer · Caryophyllaceae 2 counties
• 
  Ceratophyllum demersum L. Native CEDE4

  coon's tail · Ceratophyllaceae 63 counties
• 
  Ceratophyllum echinatum A. Gray Native CEEC2

  spineless hornwort · Ceratophyllaceae 15 counties
• 
  Cercis canadensis L. Native CECA4

  eastern redbud · Fabaceae 2 counties
• 
  Cercis canadensis L. var. canadensis Native CECAC

  eastern redbud · Fabaceae 2 counties
• 
  Chaenomeles speciosa (Sweet) Nakai Introduced CHSP12

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

  dwarf snapdragon · Scrophulariaceae 31 counties
• 
  Chaerophyllum procumbens (L.) Crantz Native CHPR

  spreading chervil · Apiaceae 4 counties
• 
  Chaerophyllum procumbens (L.) Crantz var. procumbens Native CHPRP

  spreading chervil · Apiaceae 4 counties
• 
  Chaiturus marrubiastrum (L.) Rchb. Introduced CHMA18

  lion's tail · Lamiaceae 2 counties
• 
  Chamaecrista fasciculata (Michx.) Greene Native CHFA2

  partridge pea · Fabaceae 19 counties
• 
  Chamaecrista fasciculata (Michx.) Greene var. fasciculata Native CHFAF

  partridge pea · Fabaceae 19 counties
• 
  Chamaedaphne calyculata (L.) Moench Native CHCA2

  leatherleaf · Ericaceae 52 counties
• 
  Chamaesyce geyeri (Engelm. & A. Gray) Small Native CHGE2

  Geyer's sandmat · Euphorbiaceae 14 counties
• 
  Chamaesyce geyeri (Engelm. & A. Gray) Small var. geyeri Native CHGEG

  Geyer's sandmat · Euphorbiaceae 14 counties
• 
  Chamaesyce glyptosperma (Engelm.) Small Native CHGL13

  ribseed sandmat · Euphorbiaceae 50 counties
• 
  Chamaesyce humistrata (Engelm. ex A. Gray) Small Native CHHU3

  spreading sandmat · Euphorbiaceae 1 county
• 
  Chamaesyce maculata (L.) Small Native CHMA15

  spotted sandmat · Euphorbiaceae 64 counties
• 
  Chamaesyce nutans (Lag.) Small Native CHNU9

  eyebane · Euphorbiaceae 39 counties
• 
  Chamaesyce polygonifolia (L.) Small Native CHPO6

  seaside sandmat · Euphorbiaceae 9 counties
• 
  Chamaesyce serpyllifolia (Pers.) Small Native CHSE6

  thymeleaf sandmat · Euphorbiaceae 13 counties
• 
  Chamaesyce serpyllifolia (Pers.) Small ssp. serpyllifolia Native CHSES

  thymeleaf sandmat · Euphorbiaceae 13 counties
• 
  Chamaesyce vermiculata (Raf.) House Native CHVE5

  wormseed sandmat · Euphorbiaceae 16 counties
• 
  Chamerion angustifolium (L.) Holub Native CHAN9

  fireweed · Onagraceae 65 counties
• 
  Chamerion angustifolium (L.) Holub ssp. circumvagum (Mosquin) Hoch Native CHANC

  fireweed · Onagraceae 65 counties
• 
  Chasmanthium latifolium (Michx.) Yates Native CHLA5

  Indian woodoats · Poaceae 1 county
• 
  Cheilanthes feei T. Moore Native CHFE

  slender lipfern · Pteridaceae 15 counties
• 
  Chelidonium majus L. Introduced CHMA2

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

  celandine · Papaveraceae 15 counties
• 
  Chelone glabra L. Native CHGL2

  white turtlehead · Scrophulariaceae 71 counties