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 1,901–1,950 of 3,775.

• 
  Lamium purpureum L. Introduced LAPU2

  purple deadnettle · Lamiaceae 39 counties
• 
  Lamium purpureum L. var. purpureum Introduced LAPUP

  purple deadnettle · Lamiaceae 39 counties
• 
  Landoltia punctata (G. Mey.) D.H. Les & D.J. Crawford Native LAPU12

  dotted duckmeat · Lemnaceae 4 counties
• 
  Laportea canadensis (L.) Weddell Native LACA3

  Canadian woodnettle · Urticaceae 78 counties
• 
  Lappula occidentalis (S. Watson) Greene Native LAOC3

  flatspine stickseed · Boraginaceae 5 counties
• 
  Lappula occidentalis (S. Watson) Greene var. occidentalis Native LAOCO

  flatspine stickseed · Boraginaceae 5 counties
• 
  Lappula squarrosa (Retz.) Dumort. Introduced LASQ

  European stickseed · Boraginaceae 31 counties
• 
  Lapsana communis L. Introduced LACO3

  common nipplewort · Asteraceae 5 counties
• 
  Larix decidua Mill. Introduced LADE2

  European larch · Pinaceae 3 counties
• 
  Larix laricina (Du Roi) K. Koch Native LALA

  tamarack · Pinaceae 3 counties
• 
  Lathyrus hirsutus L. Introduced LAHI2

  Caley pea · Fabaceae 4 counties
• 
  Lathyrus japonicus Willd. Native LAJA

  beach pea · Fabaceae 3 counties
• 
  Lathyrus japonicus Willd. var. maritimus (L.) Kartesz & Gandhi Native LAJAM

  beach pea · Fabaceae 3 counties
• 
  Lathyrus latifolius L. Introduced LALA4

  perennial pea · Fabaceae 37 counties
• 
  Lathyrus ochroleucus Hook. Native LAOC2

  cream pea · Fabaceae 10 counties
• 
  Lathyrus odoratus L. Introduced LAOD

  sweetpea · Fabaceae 2 counties
• 
  Lathyrus palustris L. Native LAPA4

  marsh pea · Fabaceae 40 counties
• 
  Lathyrus pratensis L. Introduced LAPR

  meadow pea · Fabaceae 1 county
• 
  Lathyrus tuberosus L. Introduced LATU

  tuberous sweetpea · Fabaceae 2 counties
• 
  Lathyrus venosus Muhl. ex Willd. Native LAVE

  veiny pea · Fabaceae 14 counties
• 
  Leavenworthia uniflora (Michx.) Britton Native LEUN

  Michaux's gladecress · Brassicaceae 1 county
• 
  Lecanora conizaeoides Nyl. ex Crombie Introduced LECO17

  rim lichen · Lecanoraceae 1 county
• 
  Lechea intermedia Leggett ex Britton Native LEIN

  largepod pinweed · Cistaceae 5 counties
• 
  Lechea intermedia Leggett ex Britton var. intermedia Native LEINI2

  largepod pinweed · Cistaceae 5 counties
• 
  Lechea minor L. Native LEMI

  thymeleaf pinweed · Cistaceae 16 counties
• 
  Lechea mucronata Raf. Native LEMU3

  hairy pinweed · Cistaceae 33 counties
• 
  Lechea pulchella Raf. Native LEPU4

  Leggett's pinweed · Cistaceae 9 counties
• 
  Lechea pulchella Raf. var. moniliformis (E.P. Bicknell) Seymour Native LEPUM

  Leggett's pinweed · Cistaceae 9 counties
• 
  Lechea stricta Leggett ex Britton Native LEST

  prairie pinweed · Cistaceae 15 counties
• 
  Lechea tenuifolia Michx. Native LETE

  narrowleaf pinweed · Cistaceae 65 counties
• 
  Leersia lenticularis Michx. Native LELE2

  catchfly grass · Poaceae 47 counties
• 
  Leersia oryzoides (L.) Sw. Native LEOR

  rice cutgrass · Poaceae 92 counties
• 
  Leersia virginica Willd. Native LEVI2

  whitegrass · Poaceae 85 counties
• 
  Lemna aequinoctialis Welw. Native LEAE2

  lesser duckweed · Lemnaceae 7 counties
• 
  Lemna gibba L. Native LEGI

  swollen duckweed · Lemnaceae 3 counties
• 
  Lemna minor L. Native LEMI3

  common duckweed · Lemnaceae 82 counties
• 
  Lemna minuta Kunth Native LEMI6

  least duckweed · Lemnaceae 3 counties
• 
  Lemna obscura (Austin) Daubs Native LEOB2

  little duckweed · Lemnaceae 13 counties
• 
  Lemna perpusilla Torr. Native LEPE

  minute duckweed · Lemnaceae 15 counties
• 
  Lemna trisulca L. Native LETR

  star duckweed · Lemnaceae 28 counties
• 
  Lemna valdiviana Phil. Native LEVA

  valdivia duckweed · Lemnaceae 7 counties
• 
  Leontodon autumnalis L. Introduced LEAU2

  fall dandelion · Asteraceae 2 counties
• 
  Leontodon autumnalis L. ssp. autumnalis Introduced LEAUA

  fall dandelion · Asteraceae 2 counties
• 
  Leontodon taraxacoides (Vill.) Mérat Introduced LETA

  lesser hawkbit · Asteraceae 1 county
• 
  Leontodon taraxacoides (Vill.) Mérat ssp. taraxacoides Introduced LETAT

  lesser hawkbit · Asteraceae 1 county
• 
  Leonurus cardiaca L. Introduced LECA2

  common motherwort · Lamiaceae 75 counties
• 
  Leonurus cardiaca L. ssp. cardiaca Introduced LECAC7

  common motherwort · Lamiaceae 75 counties
• 
  Lepidium campestre (L.) W.T. Aiton Introduced LECA5

  field pepperweed · Brassicaceae 83 counties
• 
  Lepidium densiflorum Schrad. Both LEDE

  common pepperweed · Brassicaceae 1 county
• 
  Lepidium perfoliatum L. Introduced LEPE2

  clasping pepperweed · Brassicaceae 10 counties