Learn more about how the District plans to address this resource concern in the
Many people are affected by invasive plant species and noxious weeds, whether or not they realize it. Non-native plants reduce land productivity, destroy helpful native species, and use up valuable resources for growth, such as soil and water. Additionally, these invasive species and weeds could be hazardous to human health, poisonous to livestock, and reduce the aesthetic and recreation value of public lands.
The goal of this program is to teach citizens to look for (Early Detection) and report (Rapid Response) new, high priority invasive plant species before they spread.
- View the “Weed Watchers EDRR ID Guide” to help you identify these high priority species:
Weed Watchers EDRR Intro Guide | Forbs | Grasses | Shrubs | Vines | Closing
- Attend a Tualatin Basin Weed Watchers Workshop to learn how to identify these species. Visit our calendar for upcoming workshops.
How to Report:
You can report your sightings online at oregoninvasiveshotline.org/
Step 1: Collect information about your sighting
If you suspect that you have found any of the weeds included in the EDRR guide above, please record the following information so that we can follow up on your report.
1. Take a picture of the plant: Include something to show scale (a ruler or common object like a coin) and close-ups of distinctive features of the plant. Take your time to make sure the photo is in focus.
2. Collect a written description of the plant: Flower color, shape and size; leaf shape and size; is the plant hairy, etc.
3. Collect location information: GPS coordinates are the best, but written directions to the site work too. The closest address, intersection or mile marker, or how far past a trial or bridge crossing, as well as nearby landmarks are most helpful.
4. What size is the infestation? How many feet wide and long is the patch? How many plants do you estimate are there?
Step 2: Report your EDRR sighting
There are two ways to report the sighting:
Online: Visit www.oregoninvasiveshotline.org and click ‘Report Now’.
Phone: Call us at 503-648-3174, then dial extension 5 to leave a message with the details of your report. You may email photos collected to firstname.lastname@example.org
Integrated Pest Management (IPM)
- IPM Guide for Common Weeds
IPM is a pest control strategy utilizing a variety of control methods, such as mechanical, hand, chemical or cultural.
- GardenSmart Oregon: A Guide to Non-Invasive Plants
- PNW Invasive Plant Council
- 4-County Cooperative Weed Management Area (CWMA)
- Oregon Department of Agriculture’s Noxious Weed Control Program
- Oregon Invasive Species Council
- The Nature Conservancy
- Clean Water Services
- USDA National Invasive Species Information Center
- Aquatic Invasive Species resources
What can I do next? Plant native!