| Name | From | To | Age range |
|---|---|---|---|
| Polygonum hydropiper | Miocene | Pleistocene |
|
| Polygonum carneum | Late Pliocene | Holocene |
|
| Polygonum sp. Sung et al,1964 | Late Eocene | Quaternary |
|
| Polygonum | Tertiary | Recent |
|
| Polygonum sp | Cretaceous | Holocene |
|
| Polygonum persicarya | Paleogene | Holocene |
|
| Polygonum senegalense | Late Neogene | Late Neogene |
|
| Polygonum type A | Late Neogene | Late Neogene |
|
| Polygonum sp.B | Late Neogene | Late Neogene |
|
| Polygonum glabrum | Late Neogene | Late Neogene |
|
| Polygonum scabrum | Miocene | Miocene |
|
| Polygonum type C | Late Neogene | Late Neogene |
|
| Polygonum rhizoxylon | Miocene | Miocene |
|
| Polygonum orientale | Late Pliocene | Late Pliocene |
|
| Polygonum gracilis | Tremadocian | Tremadocian |
|
| Polygonum sp.1 | Holocene | Holocene |
|
| Polygonum californicum | Pliocene | Pliocene |
|