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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Room 1000, Portland, OR 97204

More Contact Info

Watch Species

The city and its partners are concerned about these species, and encourage landowners to avoid planting them or to manage them carefully.


Italian Arum

Arum italicum

Lesser Celandine

Ranunculus ficaria

Goutweed

Aegopodium podagraria

Yellow Archangel

Lamiastrum galeobdolon

Pokeweed

Phytolacca americana