Weed Research and Information Center

Weeds in natural areas

Common Names
 
A-B •• C •• D-G •• H-M •• N-R •• S-T •• U-Z
Scientific Names
 
A-B •• C-D •• E-H •• I-O •• P-R •• S-Z


SCIENTIFIC NAME Common name Family
Ilex aquifolium English holly Aquifoliaceae
Iris pseudacorus Yellowflag iris Iridaceae
Isatis tinctoria Dyer’s woad Brassicaceae
Iva axillaris Povertyweed Asteraceae
Juncus effusus Soft rush Juncaceae
Juncus patens Spreading rush Juncaceae
Lactuca serriola Prickly lettuce Asteraceae
Lagarosiphon major Oxygenweed Hydrocharitaceae
Lamium amplexicaule Henbit Lamiaceae
Lathyrus latifolius Everlasting peavine Fabaceae
Lemna spp. Duckweeds Lemnaceae
Lepidium latifolium Perennial pepperweed or tall whitetop
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Brassicaceae
Lepidium perfoliatum Clasping pepperweed Brassicaceae
Leucanthemum vulgare Oxeye daisy Asteraceae
Ligustrum lucidum Glossy privet Oleaceae
Limnobium laevigatum South American spongeplant or smooth frogbit Hydrocharitaceae
Linaria dalmatica Dalmatian toadflax Scrophulariaceae
Linaria vulgaris Yellow toadflax Scrophulariaceae
Lobularia maritima Sweet alyssum Brassicaceae
Lolium multiflorum Italian ryegrass Poaceae
Lolium perenne Perennial ryegrass Poaceae
Lotus corniculatus Birdsfoot trefoil Fabaceae
Ludwigia spp. Waterprimroses Onagraceae
Lupinus spp. Lupines Fabaceae
Lysimachia vulgaris Garden loosestrife Primulaceae
Lythrum hyssopifolium Hyssop loosestrife Lythraceae
Lythrum salicaria Purple loosestrife Lythraceae
Lythrum virgatum Wand loosestrife Lythraceae
Malcolmia africana African mustard Brassicaceae
Malva neglecta Common mallow Malvaceae
Marrubium vulgare White horehound Lamiaceae
Medicago polymorpha California burclover Fabaceae
Melilotus albus White sweetclover Fabaceae
Mentha pulegium Pennyroyal Lamiaceae
Mirabilis nyctaginea Wild four-o’clock Nyctaginaceae
Myoporum laetum Myoporum Myoporaceae
Myosotis latifolia Broadleaf forget-me-not Boraginaceae
Myriophyllum aquaticum Parrotfeather Haloragaceae
Myriophyllum spicatum Eurasian watermilfoil Haloragaceae
Najas spp. Naiads Hydrocharitaceae or Najadaceae
Nicotiana glauca Tree tobacco Solanaceae
Nitella spp. Nitella Characeae
Nuphar lutea Yellow pondlily Nymphaeaceae
Nymphaea odorata Fragrant waterlily Nymphaeaceae
Nymphoides peltata Yellow floatingheart Nymphaeaceae
Olea europaea Olive Oleaceae
Onopordum acanthium Scotch thistle Asteraceae
Oxalis pes-caprae Bermuda buttercup or buttercup oxalis Oxalidaceae