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Some grasses are native to the Willamette Valley, some are invasive, and some are non-native but not invasive.

a tree some birds some hills some grass

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.

Contact Us

Our Native and Invasive Plant Specialist can help you find answers to your graminoid questions.

Sarah Hamilton in the snow with a red head scarf
Sarah Hamilton
Native and Invasive Plant Specialist
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