Tom Heutte, USDA Forest Service, Bugwood.org
Sakhalin knotweed (Fallopia sachalinensis) foliage
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Sakhalin knotweed (Fallopia sachalinensis) flower(s)
Barbara Tokarska-Guzik, University of Silesia, Bugwood.org
Sakhalin knotweed (Fallopia sachalinensis) fruit(s)
Sakhalin knotweed (Fallopia sachalinensis) seed(s)
Jan Samanek, Phytosanitary Administration, Bugwood.org
Sakhalin knotweed (Fallopia sachalinensis) flower(s) and stems
Sakhalin knotweed (Fallopia sachalinensis) infestation