Stopping the spread of weeds in

Tuolumne and Calaveras Counties

The Central Sierra Partnership Against Weeds (CSPAW) is a collection of agencies, organizations, companies, and private citizens committed to collaborate in activities to prevent and control noxious weeds in Calaveras and Tuolumne Counties. These activities focus on the exclusion, detection, suppression, and eradication of noxious weeds with an emphasis on public education.

Yellow Starthistle Control Information

Weed Susceptibility Chart

• Gorse Project - Calaveras County
Gorse is an exotic, invasive plant not native to the United States and rarely encountered in the Sierra Nevada foothills.

• Yellow Starthistle Cost Share Program - Tuolumne County
To control yellow starthistle along the leading edge of the central Sierra Nevada.

• Smooth Distaff Cost Share Program - Tuolumne County
To eradicate an isolated population of smooth distaff thistle from Tuolumne County.