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 [...]