Diffuse+Knapweed

__**Scientific Name:**__ //Centaurea diffusa// **__Common Names:__** __**[| Diffuse Knapweed]**__ White Knapweed, Spreading Knapweed, Tumble Knapweed

**__Life Span:__** Short lived; non-creeping perennial; spreads from seeds; seeds have been viable for more than 12 years; **__Characteristics:__** Flowers: Color is white Leaves: The leaves of Diffuse Knapweed and Russian Knapweed are very different.



__**Interesting Facts:**__ 1. Native to Eurasia 2. First introduced to the Pacific Northwest

1. Crowds out native species 2. Invades roadsides, range lands, and disturbed areas 3. Can cause eye infections in livestock
 * __Impacts:__ **

[|**__Control Methods:__**] __Mechanical Control:__ hand pulling is best used when it is a small infestations __Chemical Control:__Tordon is best used because it is groundwater contaminated and won't kill trees

**__Means of Introduction:__** introduced accidentally by means of contaminated seeds __**Definitions:**__ [|Bracts]

**__References:__** [|http://www.ext.colostate.edu/pubs/natres/03110.html]