De subfamilie Polygonoideae Eaton kent 21 geslachten.
| Aristocapsa Reveal & Hardham |
Harfordia Greene & Parry |
Polygonella Michx. |
| Atraphaxis L. |
Hollisteria S.Wats. |
Polygonum L. |
| Bistorta (L.) Scop. | Koenigia L. |
Pteropyrum Jaub. & Spach |
| Calligonum L. |
Lastarriaea Rémy |
Reynoutria Houtt. |
| Centrostegia A.Gray ex Benth. |
Mucronea Benth. |
Rheum L. |
| Dedeckera Reveal & J.T.Howell |
Muehlenbeckia Meisn. |
Rumex L. |
| Dodecahema Reveal & Hardham | Nemacaulis Nutt. |
Stenogonum Nutt. |
| Emex Campd. |
Oxygonum Burch. ex Campd. |
Symmeria Benth. |
| Fagopyrum Mill. |
Oxyria Hill |
Systenotheca Reveal & Hardham |
| Fallopia Adans. |
Oxytheca Nutt. |
|
| Goodmania Reveal & Ertter |
Persicaria Mill. |
