| Name | From | To | Age range |
|---|---|---|---|
| Polygonum gracilis | Tremadocian | Tremadocian |
|
| Polygonum barredae | Late Givetian | Early Frasnian |
|
| Polygonum sp | Cretaceous | Holocene |
|
| Polygonum | Tertiary | Recent |
|
| Polygonum aviculare | Paleogene | Pleistocene |
|
| Polygonum persicarya | Paleogene | Holocene |
|
| Polygonum amphibium | Middle Eocene | Early Miocene |
|
| Polygonum sp. Sung et al,1964 | Late Eocene | Quaternary |
|
| Polygonum persicaria | Oligocene | Middle Pleistocene |
|
| Polygonum convolvulus | Middle Oligocene | Pleistocene |
|
| Polygonum bistorta | Late Oligocene | Early Pleistocene |
|
| Polygonum scabrum | Miocene | Miocene |
|
| Polygonum rhizoxylon | Miocene | Miocene |
|
| Polygonum japonicum | Miocene | Pleistocene |
|
| Polygonum type 2 | Early Miocene | Middle Miocene |
|
| Polygonum sp.2 | Miocene | Pleistocene |
|
| Polygonum type 1 | Early Miocene | Middle Miocene |
|