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 2,001–2,050 of 3,775.

• ⚘
  Liatris ×steelei Gaiser [aspera × spicata] Native LIST6

  blazing star · Asteraceae 1 county
• 
  Ligustrum obtusifolium Siebold & Zucc. Introduced LIOB

  border privet · Oleaceae 4 counties
• 
  Ligustrum vulgare L. Introduced LIVU

  European privet · Oleaceae 25 counties
• 
  Lilium lancifolium Thunb. Introduced LILA8

  tiger lily · Liliaceae 8 counties
• 
  Lilium michiganense Farw. Native LIMI9

  Michigan lily · Liliaceae 76 counties
• 
  Lilium philadelphicum L. Native LIPH

  wood lily · Liliaceae 22 counties
• 
  Lilium philadelphicum L. var. andinum (Nutt.) Ker Gawl. Native LIPHA

  wood lily · Liliaceae 22 counties
• 
  Lilium superbum L. Native LISU

  turk's-cap lily · Liliaceae 4 counties
• 
  Limnobium spongia (Bosc) Rich. ex Steud. Native LISP2

  American spongeplant · Hydrocharitaceae 6 counties
• 
  Limnosciadium pinnatum (DC.) Mathias & Constance Native LIPI2

  tansy dogshade · Apiaceae 2 counties
• 
  Linaria dalmatica (L.) Mill. Introduced LIDA

  Dalmatian toadflax · Scrophulariaceae 8 counties
• 
  Linaria dalmatica (L.) Mill. ssp. dalmatica Introduced LIDAD

  Dalmatian toadflax · Scrophulariaceae 8 counties
• 
  Linaria vulgaris Mill. Introduced LIVU2

  butter and eggs · Scrophulariaceae 77 counties
• 
  Lindera benzoin (L.) Blume Native LIBE3

  northern spicebush · Lauraceae 55 counties
• 
  Lindera benzoin (L.) Blume var. benzoin Native LIBEB

  northern spicebush · Lauraceae 53 counties
• 
  Lindera benzoin (L.) Blume var. pubescens (Palmer & Steyerm.) Rehder Native LIBEP

  northern spicebush · Lauraceae 4 counties
• 
  Lindernia dubia (L.) Pennell Native LIDU

  yellowseed false pimpernel · Scrophulariaceae 95 counties
• 
  Lindernia dubia (L.) Pennell var. anagallidea (Michx.) Cooperr. Native LIDUA

  yellowseed false pimpernel · Scrophulariaceae 56 counties
• 
  Lindernia dubia (L.) Pennell var. dubia Native LIDUD

  yellowseed false pimpernel · Scrophulariaceae 4 counties
• 
  Linnaea borealis L. Native LIBO3

  twinflower · Caprifoliaceae 2 counties
• 
  Linnaea borealis L. ssp. americana (Forbes) Hultén ex R.T. Clausen Native LIBOA

  twinflower · Caprifoliaceae 2 counties
• 
  Linum medium (Planch.) Britton Native LIME2

  stiff yellow flax · Linaceae 43 counties
• 
  Linum medium (Planch.) Britton var. texanum (Planch.) Fernald Native LIMET

  stiff yellow flax · Linaceae 43 counties
• 
  Linum perenne L. Introduced LIPE2

  blue flax · Linaceae 3 counties
• 
  Linum striatum Walter Native LIST

  ridged yellow flax · Linaceae 8 counties
• 
  Linum sulcatum Riddell Native LISU4

  grooved flax · Linaceae 47 counties
• 
  Linum sulcatum Riddell var. sulcatum Native LISUS

  grooved flax · Linaceae 46 counties
• 
  Linum usitatissimum L. Introduced LIUS

  common flax · Linaceae 24 counties
• 
  Linum virginianum L. Native LIVI

  woodland flax · Linaceae 17 counties
• 
  Liparis liliifolia (L.) Rich. ex Ker Gawl. Native LILI3

  brown widelip orchid · Orchidaceae 72 counties
• 
  Liparis loeselii (L.) Rich. Native LILO

  yellow widelip orchid · Orchidaceae 20 counties
• 
  Lipocarpha drummondii (Nees) G. Tucker Native LIDR3

  Drummond's halfchaff sedge · Cyperaceae 3 counties
• 
  Lipocarpha maculata (Michx.) Torr. Native LIMA4

  American halfchaff sedge · Cyperaceae 1 county
• 
  Lipocarpha micrantha (Vahl) G. Tucker Native LIMI12

  smallflower halfchaff sedge · Cyperaceae 37 counties
• 
  Liquidambar styraciflua L. Native LIST2

  sweetgum · Hamamelidaceae 33 counties
• 
  Liriodendron tulipifera L. Native LITU

  tuliptree · Magnoliaceae 33 counties
• 
  Liriope spicata (Thunb.) Lour. Introduced LISP10

  creeping liriope · Liliaceae 1 county
• 
  Lithospermum canescens (Michx.) Lehm. Native LICA12

  hoary puccoon · Boraginaceae 83 counties
• 
  Lithospermum caroliniense (Walter ex J.F. Gmel.) MacMill. Native LICA13

  Carolina puccoon · Boraginaceae 44 counties
• 
  Lithospermum caroliniense (Walter ex J.F. Gmel.) MacMill. var. croceum (Fernald) Cronquist Native LICAC9

  Carolina puccoon · Boraginaceae 44 counties
• 
  Lithospermum incisum Lehm. Native LIIN2

  narrowleaf stoneseed · Boraginaceae 42 counties
• 
  Lithospermum latifolium Michx. Native LILA2

  American stoneseed · Boraginaceae 44 counties
• 
  Lithospermum officinale L. Introduced LIOF

  European stoneseed · Boraginaceae 1 county
• 
  Lobelia cardinalis L. Native LOCA2

  cardinalflower · Campanulaceae 85 counties
• 
  Lobelia inflata L. Native LOIN

  Indian-tobacco · Campanulaceae 93 counties
• 
  Lobelia kalmii L. Native LOKA

  Ontario lobelia · Campanulaceae 15 counties
• 
  Lobelia puberula Michx. Native LOPU

  downy lobelia · Campanulaceae 12 counties
• 
  Lobelia puberula Michx. var. simulans Fernald Native LOPUS

  downy lobelia · Campanulaceae 12 counties
• 
  Lobelia siphilitica L. Native LOSI

  great blue lobelia · Campanulaceae 95 counties
• 
  Lobelia siphilitica L. var. siphilitica Native LOSIS2

  great blue lobelia · Campanulaceae 4 counties