This weed is under an eradication program in California and has spread to more than a dozen California counties including Alameda, Butte, Contra Costa, Fresno, Los Angeles, Merced, Sacramento, Shasta, Solano, Sutter, Tulare, Yolo, and Yuba. It has also been a major problem in Texas.
WHAT DO YOU DO IF YOU SEE THIS? Do not try to control it yourself. Report it to Yolo County Agricultural biologist Bill Lyon at 530-666-8140. Curious? Find out more about this weed on the UC Davis IPM website.
Thank you to the University of California Cooperative Extension Yolo County Master Gardeners for shedding some light on this parasite. This content is paraphrased from a Spring 2011 feature by Diana Morse appearing in their newsletter, "The Yolo Gardener."
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