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 1–40 of 40 (both).

• 
  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae 102 counties
• 
  Allium schoenoprasum L. Both ALSC

  wild chives · Liliaceae 6 counties
• 
  Ambrosia artemisiifolia L. Both AMAR2

  annual ragweed · Asteraceae 102 counties
• 
  Artemisia biennis Willd. Both ARBI2

  biennial wormwood · Asteraceae 27 counties
• 
  Artemisia ludoviciana Nutt. Both ARLU

  white sagebrush · Asteraceae 50 counties
• 
  Aruncus dioicus (Walter) Fernald Both ARDI8

  bride's feathers · Rosaceae 54 counties
• 
  Bothriochloa laguroides (DC.) Herter Both BOLA2

  silver beardgrass · Poaceae 6 counties
• 
  Bromus inermis Leyss. Both BRIN2

  smooth brome · Poaceae 102 counties
• 
  Calystegia sepium (L.) R. Br. Both CASE13

  hedge false bindweed · Convolvulaceae 90 counties
• 
  Calystegia silvatica (Kit.) Griseb. Both CASI10

  shortstalk false bindweed · Convolvulaceae 18 counties
• 
  Cerastium arvense L. Both CEAR4

  field chickweed · Caryophyllaceae 19 counties
• 
  Chenopodium album L. Both CHAL7

  lambsquarters · Chenopodiaceae 102 counties
• 
  Croton glandulosus L. Both CRGL2

  vente conmigo · Euphorbiaceae 62 counties
• 
  Cucurbita pepo L. Both CUPE

  field pumpkin · Cucurbitaceae 10 counties
• 
  Cyperus esculentus L. Both CYES

  yellow nutsedge · Cyperaceae 102 counties
• 
  Dysphania ambrosioides (L.) Mosyakin & Clemants Both DYAM

  Mexican tea · Chenopodiaceae 66 counties
• 
  Eriochloa acuminata (J. Presl) Kunth Both ERAC4

  tapertip cupgrass · Poaceae 2 counties
• 
  Euphorbia dentata Michx. Both EUDE4

  toothed spurge · Euphorbiaceae 96 counties
• 
  Festuca rubra L. Both FERU2

  red fescue · Poaceae 9 counties
• 
  Geranium robertianum L. Both GERO

  Robert geranium · Geraniaceae 3 counties
• 
  Humulus lupulus L. Both HULU

  common hop · Cannabaceae 81 counties
• 
  Juncus arcticus Willd. Both JUAR2

  arctic rush · Juncaceae 8 counties
• 
  Lepidium densiflorum Schrad. Both LEDE

  common pepperweed · Brassicaceae 1 county
• 
  Ludwigia peploides (Kunth) P.H. Raven Both LUPE5

  floating primrose-willow · Onagraceae 61 counties
• 
  Phragmites australis (Cav.) Trin. ex Steud. Both PHAU7

  common reed · Poaceae 56 counties
• 
  Picris hieracioides L. Both PIHI

  hawkweed oxtongue · Asteraceae 1 county
• 
  Poa nemoralis L. Both PONE

  wood bluegrass · Poaceae 2 counties
• 
  Poa pratensis L. Both POPR

  Kentucky bluegrass · Poaceae 102 counties
• 
  Polygonum scandens L. Both POSC3

  climbing false buckwheat · Polygonaceae 101 counties
• 
  Portulaca oleracea L. Both POOL

  little hogweed · Portulacaceae 102 counties
• 
  Puccinellia distans (Jacq.) Parl. Both PUDI

  weeping alkaligrass · Poaceae 12 counties
• 
  Ranunculus acris L. Both RAAC3

  tall buttercup · Ranunculaceae 18 counties
• 
  Rubus idaeus L. Both RUID

  American red raspberry · Rosaceae 32 counties
• 
  Sambucus nigra L. Both SANI4

  black elderberry · Caprifoliaceae 102 counties
• 
  Samolus valerandi L. Both SAVA3

  seaside brookweed · Primulaceae 55 counties
• 
  Taraxacum officinale F.H. Wigg. Both TAOF

  common dandelion · Asteraceae 102 counties
• 
  Typha angustifolia L. Both TYAN

  narrowleaf cattail · Typhaceae 54 counties
• 
  Urtica dioica L. Both URDI

  stinging nettle · Urticaceae 67 counties
• 
  Veronica serpyllifolia L. Both VESE

  thymeleaf speedwell · Scrophulariaceae 32 counties
• 
  Viburnum opulus L. Both VIOP

  European cranberrybush · Caprifoliaceae 29 counties