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Showing 1 to 1 of 1 for “"Spotted knappweed"”.
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The Biological Control of Spotted Knapweed in the Southeastern United States
<p>Spotted knapweed is an invasive, short-term-perennial plant that is native to Eurasia. It was accidentally introduced into North America in the early 1890's and has since spread across The United States and Canada. Spotted knapweed degrades rangelands and pastures by negatively impacting native …