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Submitted by admin November 12, 2014 9:00 am

thumnail
Diffuse knapweed is an annual or biennial plant , generally growing to between 10 and 60 cm in height. It…

Submitted by admin November 11, 2014 11:00 am

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Like other creeping perennials, the key to Russian knapweed control is to stress the weed and cause it to expend…

Submitted by admin November 11, 2014 11:00 am

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Acc ording to the National Park Service: Russian-olive is a small, usually thorny shrub or small tree that can grow…

Submitted by admin November 4, 2014 9:00 am

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This is often a favorite to hate in the central Arizona highlands. Knapweed is a pioneer species found in recently…

Submitted by admin November 3, 2014 12:11 pm

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Malta starthistle (synonyms: Napa starthistle, tocalote) is an annual invasive weed with foliage and winged stems that are grayish to…

Submitted by admin October 29, 2014 9:06 am

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From the CA Extension offices: Sweet resinbush (Euryops subcarnosus) is an exotic species from South Africa that was introduced in…

Submitted by admin October 28, 2014 10:46 am

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From the Wikipedia entry on this invasive weed: Onopordum acanthium (Cotton thistle, Scotch thistle), is a flowering plant in the…

Submitted by admin October 24, 2014 9:14 am

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Another invasive species in the Granite Creek Watershed, and mostly in Watson Woods Riparian Preserve, is common teasel. Often used…

Submitted by admin October 22, 2014 5:25 pm

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Tamarix is perhaps one of our bestter know invasive species. It is found widely throughout the Southwest. The description below…

Submitted by admin October 21, 2014 9:50 am

thumnail
Acc ording to the National Park Service: Russian-olive is a small, usually thorny shrub or small tree that can grow…
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