Land Plants - invasive

Scots Broom (Cytisus scoparius) on May 14, 2025

Originally reported as Yellow-Flag Iris (Iris pseudacorus)

Submitter has sample

Description of specimen

Yellow flag iris in the water, some gorse appearing on the banks

Commentary

None

Remedy

Information on broom control from King County, WA

Resources

Want to join forces with your community to fight invasives? There are lots of people involved in this effort already! The links below can connect you with opportunities:
Western Invasives Network
Association of Conservation Districts
SOLV
The Nature Conservancy of Oregon

Location

Along banks of Smith Lake, rapidly spreading yellow flag iris and some gorse

Expert Reviewer

Beth Myers-Shenai
Oregon Department of Agriculture

© 2025 Portland State University | Contact us for questions regarding site content