Conservancy staff hand-pull yellow starthistle. December 7, 2022 By Jackson Brooke, Restoration Manager Referred to as one of the most serious rangeland weeds in the state, yellow starthistle (Centaurea solstitialis) favors drought conditions and invades grassland, coastal prairie, and oak savanna habitats across California, opportunistically taking over heavily disturbed areas like roadsides and working lands. What makes it so invasive? [...]
Invasive stinkwort. Photo by Joseph DiTomaso. February 8, 2022 By Jackson Brooke, Restoration Manager Native to the Mediterranean and Middle East, Stinkwort (Dittrichia graveolens) is a relatively new invader of California and was first reported in Santa Clara County in the 1980s. It has spread aggressively since then and is now found in a majority of counties. Stinkwort’s aromatic leaves [...]