Polygonaceae Juss.

Acanthogonum Torr. = Chorizanthe R.Br. ex Benth.
Acanthoscyphus Small = Oxytheca Nutt.
Acetosa Mill. = Rumex L.
Acetosella (Meisn.) Fourr. = Rumex L.
Aconogonon (Meisn.) Rchb.
Aconogonum (Meisn.) Rchb. = Aconogonon (Meisn.) Rchb.
Afrobrunnichia Hutch. & Dalziel
Antenoron Raf. = Persicaria (L.) Mill.
Antigonon Endl.
Aristocapsa Reveal & Hardham
Atraphaxis L.
Bilderdykia Dumort. = Fallopia Adans.
Bistorta (L.) Adans.
Brunnichia Banks ex Gaertn.
Bucephalora Pau = Rumex L.
Calligonum L.
Campderia Benth. = Coccoloba P.Browne
Centrostegia A.Gray
Chorizanthe R.Br. ex Benth.
Coccoloba P.Browne
Dedeckera Reveal & J.T.Howell
Delopyrum Small = Polygonella Michx.
Dentoceras Small = Polygonella Michx.
Dodecahema Reveal & Hardham
Duravia (S.Watson) Greene = Polygonum L.
Emex Neck. ex Campd.
Enneatypus Herzog
Eriogonella Goodman = Chorizanthe R.Br. ex Benth.
Eriogonum Michx.
Eskemukerjea Malick & Sengupta = Fagopyrum Mill.
Fagopyrum Mill.
Fallopia Adans.
Gilmania Coville
Gonopyrum Fisch. & C.A.Mey. = Polygonella Michx.
Goodmania Reveal & Ertter
Gymnogonum Parry = Goodmania Reveal & Ertter
Gymnopodium Rolfe
Harfordia Greene & Parry
Harpagocarpus Hutch. & Dandy = Fagopyrum Mill.
Hollisteria S.Watson
Homalocladium (F.Muell.) L.H.Bailey
Knorringia (Czukav.) Tzvelev = Aconogonon (Meisn.) Rchb.
Koenigia L.
Lastarriaea J.Remy
Leptogonum Benth.
Millspaughia B.L.Rob. = Gymnopodium Rolfe
Mucronea Benth.
Muehlenbeckia Meisn.
Nemacaulis Nutt.
Neomillspaughia S.F.Blake
Oxygonum Burch. ex Campd.
Oxyria Hill
Oxytheca Nutt.
Parapteropyrum A.J.Li
Persicaria (L.) Mill.
Phyllogonum Coville = Gilmania Coville
Physopyrum Popov
Pleuropteropyrum Gross = Aconogonon (Meisn.) Rchb.
Podopterus Bonpl.
Polygonella Michx.
Polygonum L.
Pterococcus Pall. = Calligonum L.
Pteropyrum Jaub. & Spach
Pterostegia Fisch. & C.A.Mey.
Pteroxygonum Dammer & Diels = Fagopyrum Mill.
Reynoutria Houtt. = Fallopia Adans.
Rheum L.
Rubrivena Kral = Persicaria (L.) Mill.
Rumex L.
Ruprechtia C.A.Mey.
Stenogonum Nutt.
Symmeria Benth.
Systenotheca Reveal & Hardham
Thysanella A.Gray = Polygonella Michx.
Tovara Adans. = Persicaria (L.) Mill.
Triplaris Loefl. ex L.