Acanthogonum Torrey - E-Eri Acanthoscyphus Small - E-?Eri Acetosa Miller = Rumex L. - P-Rum Acetosella (Rafinesque) Fourrier = Rumex L. - P-Rum Aconogonon (Meisner) Reichenbach = Aconogonum (Meisner) Reichenbach = Koenigia L. - P-Per Afrobrunnichia Hutchinson & Dalziel - ? Antenoron Rafinesque = Persicaria Miller - P-Per Antigonon Endlicher - F-Bru Aristocapsa Reveal & Hardham - E-Eri Atraphaxis L. - P-Pol Bactria Yurtseva & Mavrodiev - P-Pol Bilderdykia Dumortier = Fallopia Adanson - P-Pol Bistorta Adanson - P-Per Brunnichia Gaertner - F-Bru Bucephalophora Pau = Rumex L. - P-Rum Caelestium Yurtseva & Mavrodiev - P-Pol Calligonum L. - P-Cal Centrostegia A. Gray Cephalophilum Börner = Persicaria Miller - P-Per Chorizanthe R. Brown - E-Eri Coccoloba P. Browne - E-Coc Dedeckera Reveal & J. T. Howell - E-Eri Dodecahema Reveal & Hardham Duma T. M. Schuster - P-Pol Duravia (S. Watson) Greene - P-Pol Echinocaulon (Meisner) Spach = Persicaria Miller - P-Per Emex Campd. = Rumex L. - P-Rum Enneatypus Herzog = Ruprechtia C. A. Meyer - E-Tri Eriogonum Michaux - E-Eri Eriogonella Goodman - E-Eri Eskemukerjea Malick & Sengupta ?=
Eucycla Nuttall - E-Eri Fagopyrum Miller - P-Fag Fallopia Adanson - P-Pol Gilmania Coville - E-Eri Goodmania Reveal & Ertter - E-Eri Guaiabara Miller = Coccoloba P. Browne - E-Coc Gymnopodium Rolfe - E-Gym Harfordia Greene & Parry - E-Eri Harpagocarpus Hutchinson & Dandy = Fagopyrum Miller - P-Fag Hollisteria S. Watson - E-Eri Homalocladium (F. Mueller) L. H. Bailey = Muehlenbeckia Meisner - P-Pol Johanneshowellia Reveal - E-Eri Knorringia (Czukav.) Tzvelev - P-Pol Koenigia L. - P-Per Lastarriaea J. Rémy - E-Eri Leptogonum Bentham - E-Lep Macounastrum Small = Koenigia L. - P-Per Magoniella Adr. Sanchez - E-Tri Millspaughia B. L. Robinson = Gymnopodium Rolfe - E-Gym Mucronea Bentham - E-Eri Muehlenbeckia Meisner - P-Pol Nemacaulis Nuttall - E-Eri Neomillspaughia S. F. Blake - E-Coc Oxygonum Campd. - P-Oxy Oxyria Hill - P-Rum
Oxytheca Nuttall - E-?Eri Parapteropyrum H. Li = Fagopyrum Miller - P-Fag Persepolium Yurtseva & Mavrodiev - P-Pol Persicaria Miller - P-Per Physopyrum Popov = Persicaria Miller - P-Per Pleuropteropyrum H. Gross = Koenigia L. - P-Per Pleuropterus Turczanowicz = Fallopia Adanson - P-Pol Podopterus Bonpland - E-?Coc Polygonella Michaux - P-Pol Polygonum L. - P-Pol Pterogonum H. Gross - E-Eri Pteropyrum Jaubert & Spach - P-Cal Pterostegia Fischer & C. A. Meyer - E-Eri Pteroxyygonum Dammer & Diels - P-Pte
x Reyllopia Holub = Reynoutria Houttyn x Fallopia Adanson - P-Pol Reynoutria Houttyn - P-Pol Rheum L. - P-Rum Rubrivena M. Král = Koenigia L. - P-Per Rumex L. - P-Rum Ruprechtia C. A. Meyer - E-Tri Salta Adr. Sanchez - E-Tri Sanmartinia M. Buchinger = Eriogonum Michaux - E-Eri Sidotheca Reveal - E-Eri Stenogonum Nuttall - E-Eri Symmeria Bentham - S Systenotheca Reveal & Hardham Tephis Adanson ?= Polygonum L. - P-Pol Thysanella A. Gray = Polygonum L. - P-Pol Tovara Adanson = Persicaria Miller - P-Per Triplaris Loefling - E-Tri
For synonymy, see Hernández-Ledesma et al. (2015), also Sanchez et al. (2011), Burke and Sanchez (2011), Sanchez and Kron (2011), Schuster et al. (2015) and Yurtseva and Mavrodiev (2019: Polygoneae).