Iowa

• Adair 19001
  393 taxa Open ↗
• Adams 19003
  200 taxa Open ↗
• Allamakee 19005
  118 taxa Open ↗
• Appanoose 19007
  38 taxa Open ↗
• Audubon 19009
  225 taxa Open ↗
• Benton 19011
  21 taxa Open ↗
• Black Hawk 19013
  33 taxa Open ↗
• Boone 19015
  146 taxa Open ↗
• Bremer 19017
  24 taxa Open ↗
• Buchanan 19019
  16 taxa Open ↗

Showing 151–200 of 343 (introduced).

• 
  Lagenaria siceraria (Molina) Standl. Introduced LASI

  bottle gourd · Cucurbitaceae 1 county
• 
  Lamium amplexicaule L. Introduced LAAM

  henbit deadnettle · Lamiaceae 2 counties
• 
  Lamium purpureum L. Introduced LAPU2

  purple deadnettle · Lamiaceae 1 county
• 
  Lamium purpureum L. var. purpureum Introduced LAPUP

  purple deadnettle · Lamiaceae 1 county
• 
  Lappula squarrosa (Retz.) Dumort. Introduced LASQ

  European stickseed · Boraginaceae 14 counties
• 
  Leonurus cardiaca L. Introduced LECA2

  common motherwort · Lamiaceae 16 counties
• 
  Leonurus cardiaca L. ssp. cardiaca Introduced LECAC7

  common motherwort · Lamiaceae 16 counties
• 
  Lepidium campestre (L.) W.T. Aiton Introduced LECA5

  field pepperweed · Brassicaceae 8 counties
• 
  Lepidium perfoliatum L. Introduced LEPE2

  clasping pepperweed · Brassicaceae 1 county
• 
  Lespedeza cuneata (Dum. Cours.) G. Don Introduced LECU

  sericea lespedeza · Fabaceae 1 county
• 
  Leucanthemum vulgare Lam. Introduced LEVU

  oxeye daisy · Asteraceae 9 counties
• 
  Lilium lancifolium Thunb. Introduced LILA8

  tiger lily · Liliaceae 1 county
• 
  Linaria vulgaris Mill. Introduced LIVU2

  butter and eggs · Scrophulariaceae 14 counties
• 
  Linum usitatissimum L. Introduced LIUS

  common flax · Linaceae 4 counties
• 
  Lobularia maritima (L.) Desv. Introduced LOMA

  sweet alyssum · Brassicaceae 1 county
• 
  Lolium perenne L. Introduced LOPE

  perennial ryegrass · Poaceae 13 counties
• 
  Lolium perenne L. ssp. multiflorum (Lam.) Husnot Introduced LOPEM2

  Italian ryegrass · Poaceae 1 county
• 
  Lolium perenne L. ssp. perenne Introduced LOPEP

  perennial ryegrass · Poaceae 11 counties
• 
  Lonicera japonica Thunb. Introduced LOJA

  Japanese honeysuckle · Caprifoliaceae 1 county
• 
  Lonicera maackii (Rupr.) Herder Introduced LOMA6

  Amur honeysuckle · Caprifoliaceae 1 county
• 
  Lonicera morrowii A. Gray Introduced LOMO2

  Morrow's honeysuckle · Caprifoliaceae 2 counties
• 
  Lonicera tatarica L. Introduced LOTA

  Tatarian honeysuckle · Caprifoliaceae 4 counties
• 
  Lonicera xylosteum L. Introduced LOXY

  dwarf honeysuckle · Caprifoliaceae 1 county
• 
  Lotus corniculatus L. Introduced LOCO6

  bird's-foot trefoil · Fabaceae 7 counties
• 
  Lotus corniculatus L. var. corniculatus Introduced LOCOC5

  bird's-foot trefoil · Fabaceae 7 counties
• 
  Lycium barbarum L. Introduced LYBA4

  matrimony vine · Solanaceae 5 counties
• 
  Lysimachia nummularia L. Introduced LYNU

  creeping jenny · Primulaceae 2 counties
• 
  Lysimachia vulgaris L. Introduced LYVU

  garden yellow loosestrife · Primulaceae 1 county
• 
  Lythrum salicaria L. Introduced LYSA2

  purple loosestrife · Lythraceae 4 counties
• 
  Malus pumila Mill. Introduced MAPU

  paradise apple · Rosaceae 1 county
• 
  Malva neglecta Wallr. Introduced MANE

  common mallow · Malvaceae 12 counties
• 
  Malva parviflora L. Introduced MAPA5

  cheeseweed mallow · Malvaceae 1 county
• 
  Malva pusilla Sm. Introduced MAPU5

  low mallow · Malvaceae 3 counties
• 
  Malva sylvestris L. Introduced MASY

  high mallow · Malvaceae 2 counties
• 
  Malva verticillata L. Introduced MAVE

  cluster mallow · Malvaceae 1 county
• 
  Marrubium vulgare L. Introduced MAVU

  horehound · Lamiaceae 4 counties
• 
  Matricaria discoidea DC. Introduced MADI6

  disc mayweed · Asteraceae 8 counties
• 
  Matricaria recutita L. Introduced MARE6

  German chamomile · Asteraceae 1 county
• 
  Medicago lupulina L. Introduced MELU

  black medick · Fabaceae 19 counties
• 
  Medicago sativa L. Introduced MESA

  alfalfa · Fabaceae 20 counties
• 
  Medicago sativa L. ssp. falcata (L.) Arcang. Introduced MESAF

  yellow alfalfa · Fabaceae 3 counties
• 
  Medicago sativa L. ssp. sativa Introduced MESAS

  alfalfa · Fabaceae 2 counties
• 
  Melilotus officinalis (L.) Lam. Introduced MEOF

  sweetclover · Fabaceae 20 counties
• 
  Mentha spicata L. Introduced MESP3

  spearmint · Lamiaceae 2 counties
• 
  Mentha suaveolens Ehrh. Introduced MESU5

  apple mint · Lamiaceae 1 county
• ⚘
  Mentha ×gracilis Sole (pro sp.) [arvensis × spicata] Introduced MEGR2

  gingermint · Lamiaceae 1 county
• ⚘
  Mentha ×rotundifolia (L.) Huds. (pro sp.) [longifolia × suaveolens] Introduced MERO2

  Lamiaceae 1 county
• 
  Miscanthus sacchariflorus (Maxim.) Franch. Introduced MISA

  Amur silvergrass · Poaceae 4 counties
• 
  Morus alba L. Introduced MOAL

  white mulberry · Moraceae 17 counties
• 
  Myosotis scorpioides L. Introduced MYSC

  true forget-me-not · Boraginaceae 1 county