Invasive Species / Plants / Terrestrial / Policemans Helmet Factsheet
REPORT NOXIOUS WEEDS/INVASIVE PLANTS, CONTACT:
Idaho Association of Weed Superintendents
University of Idaho Extension Office
Policemans Helmet (EDRR)
Policeman’s Helmet - Short video describing the history, distribution and impact of policeman's helmet in North America, and detailed footage and descriptions for accurately identifying this species in the field.