Garlic mustard, a fast-spreading invasive weed, is threatening the understory of Portland-area forests, competing with native ...

Species such as wild strawberry (Fragaria vesca) and wild ginger (Asarum canadense) are great native understory alternatives to garlic mustard. They are great food sources for wildlife and can ...

Invasive plants are overrunning the Santa Monica Mountains, making fires more destructive and more frequent. Thus, ...