Life Cycle: introduced summer or winter annual, reproducing by seed
For more information about this specific weed, please refer to the UMass Extension Weed Herbarium.
The Center for Agriculture, Food and the Environment and UMass Extension are equal opportunity providers and employers, United States Department of Agriculture cooperating. Contact your local Extension office for information on disability accommodations. Contact the State Center Director’s Office if you have concerns related to discrimination, 413-545-4800 or see ag.umass.edu/civil-rights-information.