Latest Jacobaea vulgaris Stories
After hiking in Oregon, a University of Oregon plant biologist suggests, people may want to brush off their shoes and comb through their dogs in an effort to curb the spread of an invasive grass that is expanding its range.
They infest a portion of Montana the size of Florida and Arkansas combined, and go by names like tansy ragwort, yellow toadflax and houndstongue. One species, knapweed, takes an estimated $42 million economic toll on the state every year.
- A volcanic mudflow.