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Appendix C <br />State Noxious Weeds <br />Routt County's "weeds of concern". <br />landowners in the county. Those in <br />1. Absinth wormwood <br />2. African rue <br />3. Black henbane <br />4. Black nighshade <br />5. Blue mustard <br />6. Bouncingbet <br />7. Bull thistle <br />8. Camelthorn <br />9. Canada thistle <br />10. Chicory <br />IL Chinese clematis <br />12. Tarweed, mountain or coast <br />13. Common burdock <br />14. Common crupina <br />15. Common groundsel <br />16. Common mullein <br />17. Common St. Johnswort <br />18. Common tansy <br />19. Common teasel <br />20. Cypress spurge <br />21. Dame's rocket <br />22. Downy brome <br />23. Dyer's woad <br />24. Eurasian watermilfoil <br />25. Field bindweed <br />26. Flixweed <br />27. Giant salvinia <br />28. Green foxtail <br />29. Hairy nightshade <br />30. Halogeton <br />31. Houndstongue <br />32. Hydrilla <br />33. Johnson grass <br />34. Jointed goatgrass <br />35. Kochia <br />36. Mayweed chamomile <br />37. Mediterranean sage <br />38. Medusahead rye <br />39. Moth mullein <br />Their control is strongly encouraged by all <br />bold are known to be problems in the county. <br />al <br />9 <br />Artemisia absinthium <br />Pegannn harmala <br />Hyoscyamus niger <br />Solanum nigrum <br />Chorispora tenella <br />Saponaria oicinalis <br />Cirsium vulgare <br />Alhagi pseudalhagi <br />Cirsium arvense <br />Cichorium intybus <br />Clematis orientalis <br />Madia glomerata or sativa <br />Arctium minus <br />Crupina vulgaris <br />Senecio vulgaris <br />%'erbascum thapsus <br />Hypericum per foratum <br />Tanaceturn vulgare <br />Dipsacus flullonum <br />Euphorbia cyparissins <br />Hesperis matronalis <br />Bro►nus tectorurn <br />Isatis tinctoria <br />Mvriophyllum spicatum <br />Convolvulus arvensis <br />Descurainia sophia <br />Salvinia rnolesta <br />Setaria viridis <br />Solarium sarrachoides <br />Halogeton glomeratus <br />Cynoglossum officinale <br />Hydrilla hydrilla <br />Sorghum halepense <br />Aegilops cylindrical <br />Kochia scoparia <br />Anthem is cotula <br />Salvia aethiopis <br />Taeniathe caput -medusae <br />I erbascum blattaria <br />