Weed Herbarium – by Scientific Name

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Lactuca
Lactuca scariola see - Lactuca serriola
Lactuca biennis biennial lettuce Asteraceae (Compositae) - Aster or Sunflower Family
Lactuca canadensis tall lettuce Asteraceae (Compositae) - Aster or Sunflower Family
Lactuca serriola prickly lettuce Asteraceae (Compositae) - Aster or Sunflower Family
Lamium
Lamium amplexicaule henbit Lamiaceae (Labiatae) - Mint Family
Lamium purpureum red deadnettle Lamiaceae (Labiatae) - Mint Family
Lapsana
Lapsana communis nipplewort Asteraceae (Compositae) - Aster or Sunflower Family
Lathyrus
Lathyrus latifolius everlasting peavine Fabaceae (Leguminosae) - Pea or Bean Family
Leontodon
Leontodon autumnalis fall dandelion Asteraceae (Compositae) - Aster or Sunflower Family
Leonurus
Leonurus cardiaca motherwort Lamiaceae (Labiatae) - Mint Family
Lepidium
Lepidium campestre field pepperweed Brassicaceae (Cruciferae) - Mustard Family
Lepidium virginicum Virginia pepperweed Brassicaceae (Cruciferae) - Mustard Family
Lespedeza
Lespedeza virginica slender bush clover Fabaceae (Leguminosae) - Pea or Bean Family
Leucanthemum
Leucanthemum leucanthemum see - Chrysanthemum leucanthemum
Linaria
Linaria cymbalaria see - Cymbalaria muralis
Linaria canadensis old field toadflax Scrophulariaceae - Figwort Family
Linaria vulgaris yellow toadflax Scrophulariaceae - Figwort Family
Lobelia
Lobelia syphilitica see - Lobelia siphilitica
Lobelia inflata Indian tobacco Lobeliaceae - Bluebell Family
Lobelia siphilitica great lobelia Lobeliaceae - Bluebell Family
Lonicera
Lonicera japonica Japanese honeysuckle Caprifoliaceae - Honeysuckle Family
Lotus
Lotus corniculatus birdfoot trefoil Fabaceae (Leguminosae) - Pea or Bean Family
Lychnis
Lychnis flos-cuculi ragged robin Caryophyllaceae - Pink Family
Lycopus
Lycopus americanus american bugleweed Lamiaceae (Labiatae) - Mint Family
Lysimachia
Lysimachia ciliata fringed loosestrife Primulaceae - Primrose Family
Lysimachia nummularia moneywort Primulaceae - Primrose Family
Lythrum
Lythrum salicaria purple loosestrife Lythraceae - Loosestrife Family