Turkish thistle can grow up to 4 feet tall and it has winged stems. Stems are loosely covered with soft wooly hairs and can ...

A pile of Russian thistle, or tumbleweeds, tangled up under a stand of western Joshua trees on the Transition Habitat ...

The term “noxious weeds” might conjure images in your head of abandoned fields of spiny thistles along the highway, or the too-often-ignored signage at the boot brush station at your ...

BirdsLandfill’s Grassland May Be ‘Only Hope’ More than half of bird species that depend on grasslands for breeding habitat are in steep decline.