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Coronavirus COVID-19

COVID-19 Advisory: WSU Extension is working to keep our communities safe. All Extension programming is being provided virtually, postponed, or canceled. Effective March 16, 2020, WSU Extension county offices and WSU Research & Extension Centers will be closed to the public. We are available via email, phone, and webconference.

Weed Index

Program Contact: Stephen Van Vleet, ANR Regional Extension Specialist
(509) 397-6290 •

Invasive Weeds in Crop/Non-crop

To find out more information about a specific invasive weed, click the appropriate name below.

Please take a moment to let me know what information you are seeking and whether this site has been helpful. Your comments are appreciated.

Email us at: Steve Van Vleet


To obtain multiple hard copies of “Invasive Weeds of Eastern Washington” please contact Steve Van Vleet or phone (509) 397-6290.