1120 SW 5th Avenue, Suite 1000, Portland, OR 97204
Native Plants List and the Nuisance Plants List
Geotracking invasive exotic species
Alien plant invaders of natural areas
US Department of Agriculture
Take on the invaders
Noxious Weed Control
Portland Parks & Recreation
A serious security vulnerability known as "Heartbleed" was recently discovered in OpenSSL, a popular software library commonly used by many websites on the internet to encrypt communication between a user's computer and a web server.
PortlandOregon.gov is NOT affected by this vulnerability as it does not use the OpenSSL software library. Please rest assured we are dedicated to protecting your security on this website.