Phone: 503-823-7740
Fax: 503-823-6995
1120 SW 5th Ave, Suite 613, Portland, OR 97204
Phone: 503-823-7740
Fax: 503-823-6995
1120 SW 5th Ave, Suite 613, Portland, OR 97204
Information about native plants, invasive vegetation and planting stormwater facilities
Cooperative weed management in Oregon and Washington
Serving Multnomah County east of the Willamette River
US Department of Agriculture
Portland Parks & Recreation
Invasive plants
Noxious Weed Control
Take on the invaders
Alien plant invaders of natural areas
Serving west Multnomah County and Sauvie Island