| 1. | The team grew spotted knapweed plants in flasks in the lab.
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| 2. | Russian knapweed is a deep-rooted long-lived perennial.
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| 3. | The larvae feed on various " Centaurea " knapweeds.
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| 4. | The site is a long narrow triangle north of common knapweed.
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| 5. | Rows of brilliant purple spotted knapweed brightened the highway shoulder.
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| 6. | They just yanked up the knapweed, an invasive thistle.
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| 7. | A rich variety of flowers includes common knapweed, cowslips.
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| 8. | The wildflower meadow includes ox-eye daisies, yellow rattle and knapweed.
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| 9. | Great Lakes dune habitat is threatened by invasive species such as spotted knapweed.
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| 10. | The adults often visit a wide range of flowers including knapweed and eryngo.
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मोबाइल