Resource Library

This page provides links to resources to help anyone create habitat. Use the search bar below and filters on the left to find information on specific topics.

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Invasive Weeds by Certification Level
Friends of Backyard Habitats Facebook Group
Landscape Professional Directory
Annual Native Plant Discount Flyer

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4-County CWMA

A website with extensive resources on area noxious weeds

A dense growth of green plants covers a forested area. A large sign with a green background and yellow border in the foreground reads, "Invasive Plants." Below it, a yellow bar with black text reads, "Help Stop.
BES' Help Stop Invasive Plants Poster

Plants that are not native to our area reproduce rapidly and can spread quickly from yards and roadsides into parks and natural areas. Once there, they can inhibit the establishment of native plants. The city is working to control plants not native to our ecosystem, and Portland residents can help by identifying and managing them in their own yards.

White flowers on a tree.
Black Locust (< 20 ft.)
A tree with green leaves and white flowers.
Black Locust (> 20 ft.)
Ferns growing on a rock in the woods.
Blackberry (Armenian/Himalayan/Evergreen)
Purple flowers on a plant with green leaves.
Butterfly Bush
Clackamas Soil and Water Conservation District
Clark Conservation District
A yellow flower on a green leaf.
Creeping Jenny or Moneywort
A white flower on a stem against a black background.
Diffuse Knapweed
East Multnomah Soil and Water Conservation District
Red berries on a branch with green leaves.
English Hawthorn (< 20 ft.)
Friends of Backyard Habitats Facebook Group
Landscape Professional Directory
Annual Native Plant Discount Flyer