| Name | From | To | Age range |
|---|---|---|---|
| Alnus glutinosa | Early Tertiary | Holocene |
|
| Alnus sp | Triassic | Quaternary |
|
| Alnus tinctoria | Nd | Nd |
|
| Alnus cremastogyne | Late Neogene | Pleistocene |
|
| Alnus firma | Paleogene | Pleistocene |
|
| Alnus hirsuta | Pliocene | Pleistocene |
|
| Alnus incana | Early Tertiary | Pleistocene |
|
| Alnus trabeculosa | Late Eocene | Pleistocene |
|
| Alnus crispa | Late Pliocene | Early Pleistocene |
|
| Alnus rugosa | Tertiary | Early Pleistocene |
|
| Alnus subtilis | Paleogene | Neogene |
|
| Alnus trina | Cretaceous | Tertiary |
|
| Alnus maritima | Paleogene | Neogene |
|
| Alnus gratiosa | Paleogene | Neogene |
|
| Alnus japonica | Early Tertiary | Neogene |
|
| Alnus cognita | Paleogene | Neogene |
|
| Alnus principalis | Paleogene | Neogene |
|