A low growing tap-rooted winter annual. This ill smelling plant flowers early in spring. A weed of waste places and often found in small grains as well as new turf seedings. A closely related plant, Anthemis arvensis is called mayweed because it blooms in early May. It is not ill smelling.
Photo by Dr. John Meade, weed scientist emeritus
Rutgers NJAES Cooperative Extension