January Weed of the Month: Common barberry

At least one million common barberry (Berberis vulgaris) plants were destroyed in Minnesota from 1918 to 1990 in a joint state and federal eradication program. Common barberry hosts black stem rust (Puccinia graminis), a pathogen that historically caused yield losses of up to 70% of wheat, barley, and other small grains over large areas. Since the 1950s, small grains in production have been…
Source: Red Lake Nation News