Some grasses are native to the Willamette Valley, some are invasive, and some are non-native but not invasive.
Grasses (and Affiliates) Database
Search our plant database to learn how to identify and about the special uses of native and non-native graminoids and the impacts of the invasive ones.
Related Resources
Blog Post
December Weed of the Month: Privet
Blog Post
Weed of the Month: European Mountain Ash
Blog Post
October Weed of the Month: Jubata Grass
Contact Us
Our Native and Invasive Plant Specialist can help you find answers to your graminoid questions.
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