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 Image Gallery

Invasive Species

Hoary Cress is spread by seed and creeping roots.

Mowing

Increases sight distance, wildlife safety, and reduces fire hazards and spread of noxious weeds.

Vegetation Management

An example of herbicide spot spraying to control noxious weeds.

Vegetation Management

An example of herbicide spot spraying to control noxious weeds.

Vegetation Management

An example of herbicide spot spraying to control noxious weeds

Invasive Species

Tansy Ragwort can destroy many native habitats and wetlands. One plant may produce upto 150,000 seeds which can remain viable for up to 15 years.

Invasive Species

Chickory, Tansy Ragwort and rush skeleton weed infestations can dominate natural landscapes and out compete many native vegetation.

Invasive Species

Spotted Knapweed plants each produce up to 25,000 seeds.

Herbicide Application

Spraying of Herbicide helps control noxious weeds along roadsides.

Invasive Species

Yellow Starthistle infests 1000's of acres of roadside, pastures and public land. Also causes chewing disease, and death in horses.

Page Last Modified: 8/5/2004 2:15:00 PM

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Idaho Transportation Department
3311 W. State Street ยท P.O. Box 7129
Boise, ID 83707-1129