Phone: 503-823-7740
Fax: 503-823-6995
1120 SW 5th Avenue, Suite 1000, Portland, OR 97204
Containment Species
The city and its partners are mapping these species and managing them in limited circumstances.
Purple Loosestrife
Lythrum salicaria
Knapweeds
Centaurea diffusa and C. maculosum
Spurge Laurel
Daphne laureola
Knotweed
Polygonum cuspidatum, P. polystachyum, P. sachalinense