Himalayan knotweed

September 11, 2020 • Taft Beach Access • Lincoln City, Lincoln County, Oregon

Coordinates: 44.93319,-124.02428 (click for map)
Himalayan knotweed (Persicaria wallichii (Koenigia polystachya)) [Taft Beach Access, Lincoln City, Lincoln County, Oregon]
Filename: 20200911-172603.jpg 2269x3404 pixels, ISO 200, f5.0 @ 1/60 sec
Persicaria wallichii (Koenigia polystachya)

It's an invasive weed. Also known as Polygonum polystachyum and Aconogonon polystachyum.

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