Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Jul 10, 2020

Submitter does not have a specimen

Description of specimen

Large area of growth.


Thank you so much for this report. Documenting the spread and having accurate knowledge of the distribution is critical to effective management. Invasive species watchers and reporters like you play a vital role in helping to slow the spread! Thank you and keep on reporting!

Tania Siemens (she/her/hers)
Research Coordinator
Don't Pack a Pest for Academic Travelers
Oregon Sea Grant
Oregon State University
cell: 541-914-0701 email:

Tania Siemens
July 13, 2020, 10:57 a.m.