ALBUQUERQUE (CN) - WildEarth Guardians wants the government to list a rare wetlands-dependent thistle as endangered or threatened. The federal complaint for the Wright's marsh thistle is part of ...

plume-like bristles. Birders know thistles as a popular food source for the gold-finch; indeed, commercial thistle seed has been available for a long time now. At blooming time, the stems tend to ...

They are also known as musk thistle or bristle thistle. The necklace of triangular sepals distinguishes them from the native bull thistle or elk thistle. Nodding thistles are a European import.

Thistle gets a bad rap, and some of it is well deserved. Thistles are known for their prickliness with most having sharp spines on the leaves and flower head. Gardeners know to pull these only ...