Vegetation management guide discusses the biology and distribution of the hardy invasive weed and offers recommendations for its control.

Discover a natural control technique for this invasive plant utilizing Spurgia esulae, a small insect.

Guide to this creeping perennial includes a map of the 96,800 acres of infestation found in Colorado.

Photo guide to this western invasive plant includes its identifying characteristics.

Invasive perennial is unpalatable to cattle and can crowd out native plants. Learn about its biology, distribution and management.