Illinois

• Adams 17001
  1,183 taxa Open ↗
• Alexander 17003
  1,220 taxa Open ↗
• Bond 17005
  682 taxa Open ↗
• Boone 17007
  1,163 taxa Open ↗
• Brown 17009
  836 taxa Open ↗
• Bureau 17011
  652 taxa Open ↗
• Calhoun 17013
  1,017 taxa Open ↗
• Carroll 17015
  931 taxa Open ↗
• Cass 17017
  1,389 taxa Open ↗
• Champaign 17019
  1,420 taxa Open ↗

Showing 801–850 of 3,775.

• 
  Cercis canadensis L. var. canadensis Native CECAC

  eastern redbud · Fabaceae 89 counties
• 
  Chaenomeles japonica (Thunb.) Lindl. ex Spach Introduced CHJA2

  Maule's quince · Rosaceae 1 county
• 
  Chaenorhinum minus (L.) Lange Introduced CHMI

  dwarf snapdragon · Scrophulariaceae 74 counties
• 
  Chaerophyllum procumbens (L.) Crantz Native CHPR

  spreading chervil · Apiaceae 87 counties
• 
  Chaerophyllum procumbens (L.) Crantz var. procumbens Native CHPRP

  spreading chervil · Apiaceae 87 counties
• 
  Chaerophyllum tainturieri Hook. Native CHTA

  hairyfruit chervil · Apiaceae 27 counties
• 
  Chaerophyllum tainturieri Hook. var. tainturieri Native CHTAT

  hairyfruit chervil · Apiaceae 26 counties
• 
  Chaiturus marrubiastrum (L.) Rchb. Introduced CHMA18

  lion's tail · Lamiaceae 17 counties
• 
  Chamaecrista fasciculata (Michx.) Greene Native CHFA2

  partridge pea · Fabaceae 96 counties
• 
  Chamaecrista fasciculata (Michx.) Greene var. fasciculata Native CHFAF

  partridge pea · Fabaceae 96 counties
• 
  Chamaecrista nictitans (L.) Moench Native CHNI2

  sensitive partridge pea · Fabaceae 35 counties
• 
  Chamaecrista nictitans (L.) Moench ssp. nictitans Native CHNIN

  sensitive partridge pea · Fabaceae 35 counties
• 
  Chamaecrista nictitans (L.) Moench ssp. nictitans var. nictitans Native CHNIN2

  sensitive partridge pea · Fabaceae 35 counties
• 
  Chamaedaphne calyculata (L.) Moench Native CHCA2

  leatherleaf · Ericaceae 4 counties
• 
  Chamaelirium luteum (L.) A. Gray Native CHLU

  fairywand · Liliaceae 4 counties
• 
  Chamaemelum nobile (L.) All. Introduced CHNO3

  Roman chamomile · Asteraceae 8 counties
• 
  Chamaesyce geyeri (Engelm. & A. Gray) Small Native CHGE2

  Geyer's sandmat · Euphorbiaceae 17 counties
• 
  Chamaesyce geyeri (Engelm. & A. Gray) Small var. geyeri Native CHGEG

  Geyer's sandmat · Euphorbiaceae 17 counties
• 
  Chamaesyce glyptosperma (Engelm.) Small Native CHGL13

  ribseed sandmat · Euphorbiaceae 17 counties
• 
  Chamaesyce humistrata (Engelm. ex A. Gray) Small Native CHHU3

  spreading sandmat · Euphorbiaceae 43 counties
• 
  Chamaesyce maculata (L.) Small Native CHMA15

  spotted sandmat · Euphorbiaceae 102 counties
• 
  Chamaesyce nutans (Lag.) Small Native CHNU9

  eyebane · Euphorbiaceae 3 counties
• 
  Chamaesyce polygonifolia (L.) Small Native CHPO6

  seaside sandmat · Euphorbiaceae 3 counties
• 
  Chamaesyce prostrata (Aiton) Small Native CHPR6

  prostrate sandmat · Euphorbiaceae 1 county
• 
  Chamaesyce serpens (Kunth) Small Native CHSE4

  matted sandmat · Euphorbiaceae 16 counties
• 
  Chamaesyce serpyllifolia (Pers.) Small Native CHSE6

  thymeleaf sandmat · Euphorbiaceae 1 county
• 
  Chamaesyce serpyllifolia (Pers.) Small ssp. serpyllifolia Native CHSES

  thymeleaf sandmat · Euphorbiaceae 1 county
• 
  Chamaesyce vermiculata (Raf.) House Native CHVE5

  wormseed sandmat · Euphorbiaceae 1 county
• 
  Chamerion angustifolium (L.) Holub Native CHAN9

  fireweed · Onagraceae 7 counties
• 
  Chamerion angustifolium (L.) Holub ssp. angustifolium Native CHANA2

  fireweed · Onagraceae 1 county
• 
  Chamerion angustifolium (L.) Holub ssp. circumvagum (Mosquin) Hoch Native CHANC

  fireweed · Onagraceae 7 counties
• 
  Chasmanthium latifolium (Michx.) Yates Native CHLA5

  Indian woodoats · Poaceae 54 counties
• 
  Cheilanthes feei T. Moore Native CHFE

  slender lipfern · Pteridaceae 18 counties
• 
  Cheilanthes lanosa (Michx.) D.C. Eaton Native CHLA2

  hairy lipfern · Pteridaceae 17 counties
• 
  Chelidonium majus L. Introduced CHMA2

  celandine · Papaveraceae 16 counties
• 
  Chelidonium majus L. var. majus Introduced CHMAM

  celandine · Papaveraceae 16 counties
• 
  Chelone glabra L. Native CHGL2

  white turtlehead · Scrophulariaceae 50 counties
• 
  Chelone obliqua L. Native CHOB3

  red turtlehead · Scrophulariaceae 28 counties
• 
  Chelone obliqua L. var. speciosa Pennell & Wherry Native CHOBS

  red turtlehead · Scrophulariaceae 28 counties
• 
  Chenopodium album L. Both CHAL7

  lambsquarters · Chenopodiaceae 102 counties
• 
  Chenopodium album L. var. album Introduced CHALA

  lambsquarters · Chenopodiaceae 2 counties
• 
  Chenopodium album L. var. missouriense (Aellen) I.J. Bassett & C.W. Crompton Native CHALM2

  Missouri lambsquarters · Chenopodiaceae 14 counties
• 
  Chenopodium album L. var. striatum Krašan Native CHALS2

  lateflowering goosefoot · Chenopodiaceae 2 counties
• 
  Chenopodium berlandieri Moq. Native CHBE4

  pitseed goosefoot · Chenopodiaceae 27 counties
• 
  Chenopodium berlandieri Moq. var. bushianum (Aellen) Cronquist Native CHBEB3

  Bush's goosefoot · Chenopodiaceae 15 counties
• 
  Chenopodium berlandieri Moq. var. zschackii (Murr) Murr ex Asch. Native CHBEZ

  Zschack's goosefoot · Chenopodiaceae 15 counties
• 
  Chenopodium bonus-henricus L. Introduced CHBO

  good King Henry · Chenopodiaceae 2 counties
• 
  Chenopodium capitatum (L.) Asch. Native CHCA4

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

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

  nettleleaf goosefoot · Chenopodiaceae 10 counties