Japanese Knotweed (Fallopia japonica) on Jul 22, 2010
Originally reported as Knotweed (unknown species) (Fallopia sp.)
Submitter does not have a specimen
EDRR Status: Local expert notified
Description of specimen
Observed from a raft floating down the river, the patch looked to be about 5ftx5ft, but I was not able to get out of the boat for a closer inspection.
Commentary
None
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