Native to Europe and the Mediterranean region, it was first documented in North America in 2007; it was misidentified as Italian thistle until 2014. Recently discovered in Idaho and Oregon ...

Turkish thistle was found in Wallowa County in 2006 in rugged and remote areas of the Hells Canyon National Recreation Area. For several years, it was mistaken for Italian thistle. In 2014 ...

The opinions expressed in this column are not those expressed by The Mendocino Voice. After more than a decade of moving ...

On that list are some of the most pernicious — perennial pepperweed, poison hemlock, Harding grass, yellow star thistle, and Italian thistle. The risk of these igniting when hit by an ember is ...

The Wednesday Weeders volunteers have been dealing with invasive milk thistle, bull thistle and Italian thistle for years, but this year tocolote thistle, Centaurea melitensis, has flourished.