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Polygonaceae

Family · 18 species with a result in Ohio

Fallopia 1

climbing false buckwheat (Fallopia scandens)climbing false buckwheatFallopia scandensPhoto © Sadie Hickey · CC BY-NC 4.0

Persicaria 11

halberd-leaved tearthumb (Persicaria arifolia)halberd-leaved tearthumbPersicaria arifoliaPhoto © Kathy Richardson · CC BY 4.0Late May to late September, middle week Aug 2–8pale smartweed (Persicaria lapathifolia)pale smartweedPersicaria lapathifoliaPhoto © Sandy Wolkenberg · CC BY 4.0Late June to early October, middle week Aug 23–29water smartweed (Persicaria amphibia)water smartweedPersicaria amphibiaPhoto © Susan Elliott · CC BY-NC 4.0Mid-June to late September, middle week Aug 23–29arrow-leaved tearthumb (Persicaria sagittata)arrow-leaved tearthumbPersicaria sagittataPhoto © Sadie Hickey · CC BY-NC 4.0Mid-June to early October, middle week Aug 30 – Sep 5Dotted Smartweed (Persicaria punctata)Dotted SmartweedPersicaria punctataPhoto © Sandy Wolkenberg · CC BY 4.0Late July to mid-October, middle week Sep 6–12spotted lady's thumb (Persicaria maculosa)spotted lady's thumbPersicaria maculosaPhoto © hemulen_wa · CC BY-NC 4.0Early June to late October, middle week Sep 6–12pinkweed (Persicaria pensylvanica)pinkweedPersicaria pensylvanicaPhoto © lynnerop · CC BY-NC 4.0Early August to mid-October, middle week Sep 13–19low smartweed (Persicaria longiseta)low smartweedPersicaria longisetaPhoto © Brad Walker · CC BY-NC 4.0Late June to late October, middle week Sep 20–26American jumpseed (Persicaria virginiana)American jumpseedPersicaria virginianaPhoto © Fritzflohrreynolds · CC BY-SA 4.0No season shownAsian jumpseed (Persicaria filiformis)Asian jumpseedPersicaria filiformisPhoto © Peter Wilson · CC BY-NC 4.0swamp smartweed (Persicaria hydropiperoides)swamp smartweedPersicaria hydropiperoidesPhoto © Liv MW · CC BY-NC-SA 4.0

Polygonum 1

Prostrate Knotweed (Polygonum aviculare)Prostrate KnotweedPolygonum avicularePhoto © Dalgial · CC BY-SA 4.0

Reynoutria 1

Japanese knotweed (Reynoutria japonica)Japanese knotweedReynoutria japonicaPhoto AnRo0002 · Public domain

Rumex 4

curled dock (Rumex crispus)curled dockRumex crispusPhoto © Joseph Knight · CC BY-NC 4.0Mid-April to early October, middle week Jun 28 – Jul 4broad-leaved dock (Rumex obtusifolius)broad-leaved dockRumex obtusifoliusPhoto © Andreas Rockstein · CC BY-SA 4.0Sheep's sorrel (Rumex acetosella)Sheep's sorrelRumex acetosellaPhoto © Antti Henttonen · CC BY-NC 4.0swamp dock (Rumex verticillatus)swamp dockRumex verticillatusPhoto © hallm · CC BY-NC 4.0

Missing records do not mean a species is absent.