| Name | From | To | Age range |
|---|---|---|---|
| Alnus rugosa | Tertiary | Early Pleistocene |
|
| Alnus crispa | Late Pliocene | Early Pleistocene |
|
| Alnus trabeculosa | Late Eocene | Pleistocene |
|
| Alnus cremastogyne | Late Neogene | Pleistocene |
|
| Alnus hirsuta | Pliocene | Pleistocene |
|
| Alnus firma | Paleogene | Pleistocene |
|
| Alnus incana | Early Tertiary | Pleistocene |
|
| Alnus sp | Triassic | Quaternary |
|
| Alnus tinctoria | Nd | Nd |
|
| Alnus viridis | Sarmatian | Quaternary |
|
| Alnus | Early Triassic | Quaternary |
|
| Alnus glutinosa | Early Tertiary | Holocene |
|
| Alnus nostartum | Late Neogene | Late Neogene |
|
| Alnus quadrangula | Middle Pliocene | Middle Pliocene |
|
| Alnus crebrinervis | Late Pannonian | Late Pannonian |
|
| Alnus americana | Oligocene | Oligocene |
|
| Alnus sieboldiana | Early Tertiary | Early Tertiary |
|