A plant brought to America for food and medicinal use in the 1860s became a woodland invader; garlic mustard spread across 37 US states and six Canadian provinces |
(Alliaria petiolata) Garlic Mustard. Image Credit: US Department of Agriculture This plant was introduced to North America in the 1860s for its culinary and medicinal value, but has become a stubborn threat to woodlands throughout the continent. Native to Europe and Asia, garlic mustard was first reported in Long Island, New York and has since…
