Japanese Knotweed (Fallopia japonica) on May 12, 2010
Submitter does not have a specimen
EDRR Status: Local expert notified
Description of specimen
Area's about 50 x 100 , 4 foot tall plants. Area was part of a recent restoration of a hillside slide / erosion.
Commentary
Expert Reviewer
Tania Siemens
WISE Program Coordinator (Watershed and Invasive Species Education)
Oregon Sea Grant Extension
Oregon State University
tania.siemens@oregonstate.edu
541-914-0701
Thanks so much for reporting kntoweed. I will forward this to the local Early Detection and Rapid Response network for evaluation. knotweed is already (unfortunately) very abundant and the area, and people are doing their best to keep it from getting out of control. Even if this population cant be controlled right away, we are thankful to be able to include this site in our records. Accurate maps are critical to our efforts to manage invasive species! Thanks and I will follow up with you regarding the outcome of this report.
Tania
Tania Siemens
Invasive Species Early Detection and Rapid Response Coordinator
The Nature Conservancy
WISE Program Coordinator (Watershed and Invasive Species Education)
Oregon Sea Grant Extension
tania.siemens@oregonstate.edu
541-914-0701
Tania Siemens
May 21, 2010, 4:59 a.m.
I just heard back from Dave Ambrose at the Clatsop Soil and Water Conservation District. Here is how he will respond to your report. Thanks again for reporting. Would you be interested in a workshop on new invasive species to be looking for on June 19th? Feel free to email me if you are interested. Thanks, Tania
"I've got this one noted and will try to get our summer weed control guy there.
Dave Ambrose
CSWCD
503-325-4571"
Tania Siemens
May 21, 2010, 9:42 a.m.