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 301–350 of 766 (introduced).

• 
  Glechoma hederacea L. Introduced GLHE2

  ground ivy · Lamiaceae 73 counties
• 
  Glycine max (L.) Merr. Introduced GLMA4

  soybean · Fabaceae 33 counties
• 
  Gnaphalium uliginosum L. Introduced GNUL

  marsh cudweed · Asteraceae 2 counties
• 
  Gypsophila elegans M. Bieb. Introduced GYEL

  showy baby's-breath · Caryophyllaceae 1 county
• 
  Gypsophila muralis L. Introduced GYMU

  low baby's-breath · Caryophyllaceae 1 county
• 
  Gypsophila paniculata L. Introduced GYPA

  baby's breath · Caryophyllaceae 4 counties
• 
  Gypsophila scorzonerifolia Ser. Introduced GYSC

  garden baby's-breath · Caryophyllaceae 4 counties
• 
  Hedera helix L. Introduced HEHE

  English ivy · Araliaceae 1 county
• 
  Heliotropium europaeum L. Introduced HEEU

  European heliotrope · Boraginaceae 1 county
• 
  Heliotropium indicum L. Introduced HEIN

  Indian heliotrope · Boraginaceae 38 counties
• 
  Helleborus viridis L. Introduced HEVI

  green hellebore · Ranunculaceae 3 counties
• 
  Hemerocallis fulva (L.) L. Introduced HEFU

  orange daylily · Liliaceae 75 counties
• 
  Hemerocallis lilioasphodelus L. Introduced HELI4

  yellow daylily · Liliaceae 4 counties
• 
  Hesperis matronalis L. Introduced HEMA3

  dames rocket · Brassicaceae 41 counties
• 
  Hibiscus syriacus L. Introduced HISY

  rose of Sharon · Malvaceae 2 counties
• 
  Hibiscus trionum L. Introduced HITR

  flower of an hour · Malvaceae 71 counties
• 
  Hieracium aurantiacum L. Introduced HIAU

  orange hawkweed · Asteraceae 5 counties
• 
  Hieracium caespitosum Dumort. Introduced HICA10

  meadow hawkweed · Asteraceae 8 counties
• 
  Hieracium murorum L. Introduced HIMU

  wall hawkweed · Asteraceae 1 county
• 
  Holcus lanatus L. Introduced HOLA

  common velvetgrass · Poaceae 13 counties
• 
  Holosteum umbellatum L. Introduced HOUM

  jagged chickweed · Caryophyllaceae 49 counties
• 
  Hordeum marinum Huds. Introduced HOMA2

  seaside barley · Poaceae 1 county
• 
  Hordeum marinum Huds. ssp. gussoneanum (Parl.) Thell. Introduced HOMAG

  Mediterranean barley · Poaceae 1 county
• 
  Hordeum vulgare L. Introduced HOVU

  common barley · Poaceae 21 counties
• 
  Hosta lancifolia (Thunb.) Engl. Introduced HOLA3

  narrowleaf plantain lily · Liliaceae 2 counties
• 
  Humulus japonicus Siebold & Zucc. Introduced HUJA

  Japanese hop · Cannabaceae 28 counties
• 
  Hylotelephium erythrostictum (Miq.) H. Ohba Introduced HYER3

  garden stonecrop · Crassulaceae 1 county
• 
  Hylotelephium telephium (L.) H. Ohba Introduced HYTE10

  witch's moneybags · Crassulaceae 19 counties
• 
  Hylotelephium telephium (L.) H. Ohba ssp. telephium Introduced HYTET2

  witch's moneybags · Crassulaceae 19 counties
• 
  Hyoscyamus niger L. Introduced HYNI

  black henbane · Solanaceae 2 counties
• 
  Hypericum perforatum L. Introduced HYPE

  common St. Johnswort · Clusiaceae 68 counties
• 
  Hypochaeris glabra L. Introduced HYGL2

  smooth cat's ear · Asteraceae 1 county
• 
  Hypochaeris radicata L. Introduced HYRA3

  hairy cat's ear · Asteraceae 6 counties
• 
  Inula helenium L. Introduced INHE

  elecampane inula · Asteraceae 9 counties
• 
  Ipomoea coccinea L. Introduced IPCO3

  redstar · Convolvulaceae 26 counties
• 
  Ipomoea hederacea Jacq. Introduced IPHE

  ivyleaf morning-glory · Convolvulaceae 82 counties
• 
  Ipomoea purpurea (L.) Roth Introduced IPPU2

  tall morning-glory · Convolvulaceae 45 counties
• 
  Iris flavescens Delile Introduced IRFL2

  lemonyellow iris · Iridaceae 2 counties
• ⚘
  Iris germanica L. Introduced IRGE

  German iris · Iridaceae 6 counties
• 
  Iris pallida Lam. Introduced IRPA2

  sweet iris · Iridaceae 1 county
• 
  Iris pseudacorus L. Introduced IRPS

  paleyellow iris · Iridaceae 16 counties
• 
  Iris pumila L. Introduced IRPU2

  dwarf iris · Iridaceae 1 county
• 
  Isatis tinctoria L. Introduced ISTI

  Dyer's woad · Brassicaceae 2 counties
• 
  Kickxia elatine (L.) Dumort. Introduced KIEL

  sharpleaf cancerwort · Scrophulariaceae 19 counties
• 
  Knautia arvensis (L.) J.M. Coult. Introduced KNAR

  field scabiosa · Dipsacaceae 1 county
• 
  Koelreuteria paniculata Laxm. Introduced KOPA

  goldenrain tree · Sapindaceae 1 county
• 
  Kummerowia stipulacea (Maxim.) Makino Introduced KUST

  Korean clover · Fabaceae 71 counties
• 
  Kummerowia striata (Thunb.) Schindl. Introduced KUST2

  Japanese clover · Fabaceae 38 counties
• 
  Lactuca saligna L. Introduced LASA

  willowleaf lettuce · Asteraceae 70 counties
• 
  Lactuca sativa L. Introduced LASA3

  garden lettuce · Asteraceae 2 counties