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water knotweed
Polygonum
amphibium
L.
Selected Images from Invasive.org
View All Images at Invasive.org
Plant(s) in flower
Catherine Herms, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage
Plant(s) in flower
Ohio State Weed Lab , The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage
Infestation
Ohio State Weed Lab , The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage
Foliage faint thumbprint without stipule
Catherine Herms, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage
Feature(s) without stipule
Catherine Herms, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage
Feature(s) stipule
Catherine Herms, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage
Stem(s)
Ohio State Weed Lab , The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage
Infestation
Ohio State Weed Lab , The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage
Flower(s)
Ohio State Weed Lab , The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage
Plant(s) in flower
Catherine Herms, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage
Plant(s) in flower
Catherine Herms, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage
Plant(s) in flower
Ohio State Weed Lab , The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage
Root(s)
Ohio State Weed Lab , The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage
Seed(s)
Ken Chamberlain, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage
Distribution