Weed species in the Solanaceae, or nightshade family, cause some of the most serious weed-related problmes in Pacific Northwest agriculture. Nightshade control is difficult becase the weeds are so ...
An abundant seed producer, this weed grows in meadows, pastures, along roadsides, and in noncrop areas. Also known as Queen Anne's lace, wild carrot is listed as a Class B noxious weed in Washingto ...
Paterson's Curse is a weed that is a major problem in Australia, but currently has only limited distribution in the Pacific Northwest. This weed has the potential to severely degrade agricultural h ...