Publications
Plant competition. Chapter 9 in Forest Management for Small Landowners, by Bryon Loucks. 2020.
Nonnative invasive plants of Pacific coast forests, by Andrew Gray, Katie Barndt, and Sarah Reichard. USDA Forest Service, Pacific Northwest Research Station, General Technical Report PNW-GTR-817. 2011. 96 p.
DNR Service Forestry Feature: Helping Turn the Tide on English Ivy in Southwest Washington. by Don Meeks. Forest Stewardship Notes and Landowner News. Fall 2025.
Not-so-jolly invader: English holly spreads across Northwest forests. WSU Insider, December 8, 2025
Webinars
Healthy forest understories and the weeds that get in the way. A webinar presented by Skye Pelliccia. Sponsored by WSU Extension Forestry, August 26, 2021. 1 hour, 25 minutes.
Invasive forest weeds in eastern Washington. A webinar presented by Dale Whaley at the WSU Forestry Extension 2021 Forest Owners’ Winter School, February 27, 2021.
Invasive forest weeds in western Washington. A webinar presented by Sasha Shaw at the WSU Forestry Extension 2021 Forest Owners’ Winter School, February 27, 2021.
Plantae non grata – Invasive species on small woodlands. A webinar presented by Sasha Shaw, King County Noxious Weed Program. Washington State University Extension Forestry, 2020. 1 hour, 25 minutes.