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

mustard field under clouded blue sky cover of publication
PNW 703
Revised April 2023
small insect on plant part magnified
EM 9359
Published July 2022
row of weeds adjacent to field
Weed
Revised April 2022
EM 9347
Published March 2022
Cover image of "Integrated Management of Wild Oat in the Pacific Northwest"
PNW 759
Published December 2021
Cover image of "EPigweeds: Current and Emerging Weed Threats in the Pacific Northwest" publication
PNW 758
Published November 2021
EM 9320
Published June 2021
Cover image of "Integrated Management of Prickly Lettuce in Wheat Production Systems"
PNW 688
Revised February 2021
Cover image of "Russian Olive Trees: Control and Management in the Pacific Northwest" publication
PNW 755
Published October 2020
Cover image of "Integrated Management of Feral Rye in Winter Wheat"
PNW 660
Revised June 2020
PNW 133
Revised April 2020
Cover image of "Harvest Weed Seed Control: Applications for PNW Wheat Production Systems" publication
PNW 730
Published November 2019
Publication cover for Russian Thistle publication
PNW 492
Revised August 2019
EM 9025
Published January 2019
Cover image of "Pacific Poison-oak and Western Poison-ivy: Identification and Management"
PNW 108
Revised November 2018
Cover image of "Rattail Fescue: Biology and Management in Pacific Northwest Wheat Cropping Systems" publication
PNW 613
Revised August 2018
Cover image of Weed and Vegetation Management Strategies in Christmas Trees publication
PNW 625
Published December 2017
Cover image of "Integrated Management of Mayweed Chamomile in Wheat and Pulse Crop Production Systems"
PNW 695
Published May 2017
Cover image of "Yellow and Dalmatian Toadflax"
PNW 135
Revised March 2017
Publication cover
EM 9132
Published January 2016