The American bullfrog is invasive to Oregon. (ODFW) Another pesky Oregon invader American bullfrog, which the ODFW calls a “voracious predator” that threatens native wildlife and water quality.

It's part of a push to curb invasive species across the country, including right here in Oregon. The founder and chief scientist at the Institute for Applied Ecology, Tom Kaye, joined ARC PDX to ...

Oregon grape, a woody shrub in the Barberry family, Berberidaceae, is an understory invasive that prefers partial shade and moist, yet well-drained soils typically grows 1-5 feet tall, spreading ...

National Invasive Species Awareness Week is ... more than 10 miles from where it was cut.” Another pesky Oregon invader ...