Weeds

The CWMA has developed a Weed List to share information about weeds in our area.  Because the Columbia Gorge CWMA covers diverse ecoregions, the list is large and includes species listed in both Oregon and Washington. Some species will only display invasive qualities in certain areas of the gorge, while others are aggressive throughout the CWMA range.  For more information on each weed, identification tips, or controls, please see the linked webpages.

CWMA Weed List

CWMA Weed List Ranking

*Thanks to all of the organizations that provided great information about the weeds and treatments!

The CWMA has also developed Best Management Practices (BMPs) for a handful of weeds in our area. BMPs provide information about identification and control of noxious weeds.

CWMA BMPs

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