Extension Services / Oregon State University Press / /
Continent
North America / /
Country
Germany / United States / Wales / /
Currency
USD / /
Facility
Washington State University / Oregon State University / University of Idaho Cooperative Extension System / University of Idaho / /
IndustryTerm
Chemical control / safety devices / deep root systems / /
NaturalFeature
Cascade Mountains / /
Organization
University of Idaho / Congress / Oregon State University Extension Service / U.S. Department of Agriculture / University of Idaho Cooperative Extension System / Washington State University / Oregon State University / /
Person
LeRoy D. Luft / O.E. Smith / Larry C. Burrill / Harry B. Burcalow / William Penn / Washington There / Marvin D. Butler / /
Position
interim director / director / Extension weed specialist / /
ProvinceOrState
Jefferson County / Delaware / Oregon / Idaho / /
Region
eastern North America / western United States / southeastern Europe / /
Yellow Toadflax and Dalmatian Toadflax