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 1,201–1,250 of 3,775.

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  Dichanthelium ×scoparioides (Ashe) Mohlenbr. (pro sp.) [acuminatum × oligosanthes] Native DISC4

  Shasta panicgrass · Poaceae 1 county
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  Dicliptera brachiata (Pursh) Spreng. Native DIBR2

  branched foldwing · Acanthaceae 3 counties
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  Didiplis diandra (Nutt. ex DC.) Alph. Wood Native DIDI

  waterpurslane · Lythraceae 19 counties
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  Diervilla lonicera Mill. Native DILO

  northern bush honeysuckle · Caprifoliaceae 14 counties
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  Digitaria ciliaris (Retz.) Koeler Native DICI

  southern crabgrass · Poaceae 3 counties
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  Digitaria cognata (Schult.) Pilg. Native DICO6

  fall witchgrass · Poaceae 58 counties
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  Digitaria filiformis (L.) Koeler Native DIFI

  slender crabgrass · Poaceae 22 counties
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  Digitaria insularis (L.) Mez ex Ekman Native DIIN2

  sourgrass · Poaceae 1 county
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  Digitaria ischaemum (Schreb.) Schreb. ex Muhl. Introduced DIIS

  smooth crabgrass · Poaceae 85 counties
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  Digitaria sanguinalis (L.) Scop. Introduced DISA

  hairy crabgrass · Poaceae 102 counties
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  Digitaria villosa (Walter) Pers. Native DIVI

  shaggy crabgrass · Poaceae 2 counties
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  Dioclea multiflora (Torr. & A. Gray) C. Mohr Native DIMU

  Boykin's clusterpea · Fabaceae 2 counties
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  Diodia teres Walter Native DITE2

  poorjoe · Rubiaceae 78 counties
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  Diodia teres Walter var. teres Native DITET

  poorjoe · Rubiaceae 78 counties
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  Diodia virginiana L. Native DIVI3

  Virginia buttonweed · Rubiaceae 16 counties
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  Diodia virginiana L. var. virginiana Native DIVIV2

  Virginia buttonweed · Rubiaceae 16 counties
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  Dioscorea oppositifolia L. Introduced DIOP

  Chinese yam · Dioscoreaceae 2 counties
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  Dioscorea quaternata J.F. Gmel. Native DIQU

  fourleaf yam · Dioscoreaceae 24 counties
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  Dioscorea villosa L. Native DIVI4

  wild yam · Dioscoreaceae 102 counties
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  Diospyros virginiana L. Native DIVI5

  common persimmon · Ebenaceae 67 counties
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  Diplazium pycnocarpon (Spreng.) Broun Native DIPY

  glade fern · Dryopteridaceae 39 counties
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  Diplotaxis muralis (L.) DC. Introduced DIMU2

  annual wallrocket · Brassicaceae 8 counties
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  Diplotaxis tenuifolia (L.) DC. Introduced DITE4

  perennial wallrocket · Brassicaceae 1 county
• 
  Dipsacus fullonum L. Introduced DIFU2

  Fuller's teasel · Dipsacaceae 35 counties
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  Dipsacus laciniatus L. Introduced DILA4

  cutleaf teasel · Dipsacaceae 30 counties
• 
  Dirca palustris L. Native DIPA9

  eastern leatherwood · Thymelaeaceae 22 counties
• 
  Distichlis spicata (L.) Greene Native DISP

  saltgrass · Poaceae 6 counties
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  Dodecatheon amethystinum (Fassett) Fassett Native DOAM

  jeweled shootingstar · Primulaceae 8 counties
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  Dodecatheon frenchii (Vasey) Rydb. Native DOFR2

  French's shootingstar · Primulaceae 7 counties
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  Dodecatheon meadia L. Native DOME

  pride of Ohio · Primulaceae 82 counties
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  Dodecatheon meadia L. ssp. brachycarpum (Small) R. Knuth Native DOMEB2

  pride of Ohio · Primulaceae 2 counties
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  Dodecatheon meadia L. ssp. meadia Native DOMEM3

  pride of Ohio · Primulaceae 3 counties
• 
  Doellingeria umbellata (Mill.) Nees Native DOUM2

  parasol whitetop · Asteraceae 24 counties
• 
  Doellingeria umbellata (Mill.) Nees var. umbellata Native DOUMU

  parasol whitetop · Asteraceae 24 counties
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  Draba brachycarpa Nutt. ex Torr. & A. Gray Native DRBR

  shortpod draba · Brassicaceae 42 counties
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  Draba cuneifolia Nutt. ex Torr. & A. Gray Native DRCU

  wedgeleaf draba · Brassicaceae 7 counties
• 
  Draba cuneifolia Nutt. ex Torr. & A. Gray var. cuneifolia Native DRCUC

  wedgeleaf draba · Brassicaceae 7 counties
• 
  Draba reptans (Lam.) Fernald Native DRRE2

  Carolina draba · Brassicaceae 48 counties
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  Draba verna L. Introduced DRVE2

  spring draba · Brassicaceae 51 counties
• 
  Dracocephalum parviflorum Nutt. Native DRPA2

  American dragonhead · Lamiaceae 11 counties
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  Dracopis amplexicaulis (Vahl) Cass. Native DRAM

  clasping coneflower · Asteraceae 3 counties
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  Drosera intermedia Hayne Native DRIN3

  spoonleaf sundew · Droseraceae 6 counties
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  Drosera rotundifolia L. Native DRRO

  roundleaf sundew · Droseraceae 5 counties
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  Drosera rotundifolia L. var. rotundifolia Native DRROR

  roundleaf sundew · Droseraceae 5 counties
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  Dryopteris carthusiana (Vill.) H.P. Fuchs Native DRCA11

  spinulose woodfern · Dryopteridaceae 37 counties
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  Dryopteris celsa (Wm. Palmer) Knowlt., Palmer & Pollard ex Small Native DRCE

  log fern · Dryopteridaceae 1 county
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  Dryopteris clintoniana (D.C. Eaton) Dowell Native DRCL

  Clinton's woodfern · Dryopteridaceae 1 county
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  Dryopteris cristata (L.) A. Gray Native DRCR4

  crested woodfern · Dryopteridaceae 20 counties
• 
  Dryopteris filix-mas (L.) Schott Native DRFI2

  male fern · Dryopteridaceae 1 county
• 
  Dryopteris goldieana (Hook. ex Goldie) A. Gray Native DRGO3

  Goldie's woodfern · Dryopteridaceae 18 counties