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Persicaria hydropiperoides

4 photos found

swamp smartweed (water-pepper)
Persicaria hydropiperoides (Polygonum hydropiperoides)
Rooster Rock State Park, Multnomah County, Oregon (9/12/23)
swamp smartweed (water-pepper)
Persicaria hydropiperoides
Rooster Rock State Park, Multnomah County, Oregon (10/1/22)
water pepper (swamp smartweed)
Persicaria hydropiperoides (Polygonum hydropiperoides)
Rooster Rock State Park, Multnomah County, Oregon (9/7/21)
There's a chance this is actually Persicaria hydropiper, which is not native.
water pepper (swamp smartweed)
Persicaria hydropiperoides (Polygonum hydropiperoides)
Scappoose Bay, Columbia County, Oregon (8/27/21)
There's a chance this is actually Persicaria hydropiper, which is not native.

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