Research-based educational materials about Weeds from the OSU Extension Catalog

PNW 133
Revised April 2020
Image of Introduction to Conifer Release publication
EC 1388
Revised August 2014
cover image of "Preventing Herbicide Drift and Injury to Grapes" publication
EM 8860
Revised February 2014
Image of Meadow Deathcamas in the Pacific Northwest publication
PNW 104
Revised October 2013
Image of Western Waterhemlock in the Pacific Northwest publication
PNW 109
Revised October 2013