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
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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