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USDA PLANTS Database: California State Noxious Weeds List; Cal-IPC: California Invasive Plant Council homepage + information. Cal-IPC: CalWeedMapper; California Native Plant Society—CNPS: Invasive Weeds + links. UC IPM" Invasive Plants of California — managing invasive plants. PlantRight.org: address and stop sale of invasive garden plants ...
It is capable of spreading and thereby becoming an invasive weed. All parts of the plant are toxic , especially the seeds and roots, and especially when ingested. Under the right conditions the plant grows quite rapidly during the growing season and can reach heights of 2.4 metres (8 feet), with a long penetrating root .
A noxious weed, harmful weed or injurious weed is a weed that has been designated by an agricultural or other governing authority as a plant that is harmful to agricultural or horticultural crops, natural habitats or ecosystems, or humans or livestock. Most noxious weeds have been introduced into an ecosystem by ignorance, mismanagement, or ...
Pierce County Noxious Weed Control Board reports can be made by calling 253-798-7263. Whatcom County Noxious Weed Board takes reports at 360-778-6234.
The Idaho Department of Agriculture has around 300 introduced or exotic species listed with 36 classified as noxious weeds. The legal designation of noxious weed for a plant in Idaho can use these four criteria: [88] It is present in but not native to state-province-ecosystem. It is potentially more harmful than beneficial to that area.
Goatsrue, a federally listed noxious weed and toxic to humans and animals if ingested, has been identified in Whatcom County. Standing 4 feet to 6 feet tall with white or purple pea-like flowers ...
It is classed as an invasive species in places around the Great Lakes, such as the Sleeping Bear Dunes National Lakeshore [10] and the Chicago region, [11] in the Pacific Northwest, [12] and California where it is a declared noxious weed. [8]
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