This pretty white flower is actually a noxious weed, Broadleaved Pepperweed (
Lepidium latifolium), a member of the Mustard family (Brassicaceae). It's commonly called Tall Whitetop and also broadleaved peppergrass or perennial pepperweed.
It grows two to three feet tall on average and usually prefers wet areas, but can grow about anywhere. Once it becomes established, it takes over an area, outcompeting the native plants. It has robust, spreading roots, and digging or mowing encourages growth from the severed roots. It also produces a prodigious number of seeds, further spreading its extent.
To learn more about broadleaved pepperweed (tall whitetop) and efforts to control it, click
here.
This pretty white flower is actually a noxious weed, Broadleaved Pepperweed (Lepidium latifolium), a member of the Mustard family (Brassicaceae). It's commonly called Tall Whitetop and also broadleaved peppergrass or perennial pepperweed.
It grows two to three feet tall on average and usually prefers wet areas, but can grow about anywhere. Once it becomes established, it takes over an area, outcompeting the native plants. It has robust, spreading roots, and digging or mowing encourages growth from the severed roots. It also produces a prodigious number of seeds, further spreading its extent. 
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