Noxious Weeds in Snohomish County 2011: Classes and Status
Weed List: Class C
Class C noxious weeds are designated by the State Weed Board as noxious so any county within the state may control these weeds within the county if they desire. Snohomish County has chosen to control the following list of Class C noxious weeds. Control in Snohomish County is required.
| Common Name |
Scientific Name |
| hawkweed, non-native species |
Heiracium sp. |
|
(Except not listed as Class A or B, native species designated in WAC 16-750-015) |
|
|
|
|
| thistle, bull |
Cirsium vulgare |
| thistle, Canada |
Cirsium arvense |
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