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0 0 Dalmation Toadflax

Dalmation Toadflax

by MadelynBoudreauxAlta, Utah, USA

A noxious

0 9 tansy


by KarenSaxtonCoquille, Oregon, USA

Considered a noxious

0 0 Clammy Ground Cherry

Clammy Ground Cherry

by brian7burgerIndiana, USA

Grows like a weed. Has large seed pods ...

0 0 Salvinia weed

Salvinia weed

by MorganKoury4877, Queensland, Australia

The Salvinia plant, a noxious( In Australia ...

0 0 Leafy Spurge

Leafy Spurge

by AdamBrownColorado, USA

apparently it was introduced and is a

0 0 Hound's Tongue

Hound's Tongue

by dane.a.hepIdaho, USA

This is a noxious

0 0 Dame's Rocket

Dame's Rocket

by BlueAppaloosaColorado, USA

Purple flowers are about an inch across with four petals. Considered a

0 0 multiflora rose

multiflora rose

by sarah.loobyMassachusetts, USA

compound, alternate, shrub

0 0 Yuyo


by isscarrMaipu, XIII Región Metropolitana de Santiago, Chile

Flowering plant in the mustard family.

1 0 water forget-me-not

water forget-me-not

by Kathryn CurranSpokane, Washington, USA

Considered a noxious

0 0 Purple Loosestrife

Purple Loosestrife

by GerryBatesCoquitlam, British Columbia, Canada

This perennial has been designated as a

0 0 Sticky Snakeroot

Sticky Snakeroot

by CindyBinghamKeiserAnaheim, California, USA

). Ageratina adenophora is classified by the U.S. Federal Government as a

0 0 Rambler rose

Rambler rose

by BrookEdmistenWoodFlorida, USA

Climbing rose with small light pink flowers

0 0 Blue Morning Glory

Blue Morning Glory

by ceherzogSarasota, Florida, USA

vigorous perennial vine

1 0 Orange hawkweed

Orange hawkweed

by AlisonOntario, Canada

Orange flowers on tall stems. This is considered a

0 1 Asiatic dayflower

Asiatic dayflower

by AnnaWhipkeyIndiana, USA

This herbaceous annual has been introduced to the Eastern US and is considered ...

2 4 Queen Anne's Lace or Wild Carrot

Queen Anne's Lace or Wild Carrot

by BethAngermeier

The flowering plant in the foreground right reminds me of Queen Ann's Lace ...

0 0 Purple Loosestrife

Purple Loosestrife

by bee.jacbsSouth Dakota, USA

A beautiful plant, but unfortunately a very

0 0 Nodding Thistle

Nodding Thistle

by CynthiaMHoriWyoming, USA

. Introduced to North America and is now considered a

0 0 Musk Thistle

Musk Thistle

by BlueAppaloosaColorado, USA

Musk Thistle can get very tall, up around six feet. Huge purple heads and spiky ...

0 0 Toothed Spurge

Toothed Spurge

by BlueAppaloosaColorado, USA

This plant spreads outwards but only gets about 8 inches tall. Considered a ...

0 0 Diffuse Knapweed

Diffuse Knapweed

by BlueAppaloosaColorado, USA

to alfalfa. Also comes in white. Considered a

0 0 Thymeleaf Spurge

Thymeleaf Spurge

by BlueAppaloosaColorado, USA

creeping into landscaped areas, and considered a

0 0 Storkbill


by BlueAppaloosaColorado, USA

reddish, and leaves are almost feathery. A

1 0 Yellow Alyssum

Yellow Alyssum

by BlueAppaloosaColorado, USA

. The plant only grows about six inches tall. A

1 3 Spanish heath

Spanish heath

by argybeeVictoria, Australia

Thin to dense shrub up to 2 metres; spiky leaves straight off stems; small ...

0 0 Sulphur Cinquefoil

Sulphur Cinquefoil

by ForestDragonWest Bay Shore, New York, USA

pale yellow with five (usually) notched petals. Introduced from Europe. ...

0 0 tutsan


by LeubaVictoria, Australia

A perennial shrub with bright green ovate leaves arrranged opposite each other ...

0 0 Herb Robert aka Stinky Bob

Herb Robert aka Stinky Bob

by evenlakePortland, Oregon, USA

Small pinkish-purple flower with 5 petals, covered in sticky hairs. Leaves ...

0 0 Moth Mullein

Moth Mullein

by ForestDragonWestbury, New York, USA

Taller plant with simple, toothed, clasping leaves along stem. Stem and leaves ...

0 0 Bull Thistle

Bull Thistle

by ForestDragonNew York, USA

/naturalized. Considered an invasive/

0 0 purple mustard

purple mustard

by dw33zyIdaho, USA

Purple mustard is an introduced annual herb that is considered

1 1 Field Bindweed

Field Bindweed

by CindyBinghamKeiserEscondido, California

Department of Food and Agriculture as a

0 0 Nutgrass


by CindyBinghamKeiserEscondido, California, USA

Department of Food and Agriculture as a

0 0 Carrotwood fruit

Carrotwood fruit

by auntnance123Cocoa, Florida, USA

1995 and was added to the Florida Noxious ...

3 0 Dollar Weed

Dollar Weed

by Casey5Jacksonville, Florida, United States

species and sometimes a noxious

0 0 Tyrol Knapweed

Tyrol Knapweed

by dandoucetteNiagara Falls, Ontario, Ontario, Canada

light purple blooms, leaves lanceolate

0 0 Sourgrass (Bermuda Buttercup)

Sourgrass (Bermuda Buttercup)

by DonnaPomeroySan Mateo, California, USA

This very pretty uninvited guest is invasive in Coastal Northern California

1 0 Yellow Flag Iris

Yellow Flag Iris

by gatorfellowsDenton, Texas, USA

This is a common pond iris. It is used to balance or clean ponds. It can be ...

0 0 gorse


by KarenSaxtonBandon, Oregon, USA


1 7 scotch broom(naturalized hybrid)

scotch broom(naturalized hybrid)

by KarenSaxtonBandon, Oregon, USA

settlers. Now a noxious

0 0 unknown plant

unknown plant

by KarenSaxtonCoquille, Oregon, USA

burr producing plant with tiny white flower. Burrs about 1/4 inch long

0 0 Wild Teasel / Wilde Karde

Wild Teasel / Wilde Karde

by Simone E.Kolbermoor, Bayern, Germany

, Australia and New Zealand as an introduced species and often a

0 0 Bulrush


by StephenSolomons2262, New South Wales, Australia

species of Typha are considered noxious ...

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