| Name | From | To | Age range |
|---|---|---|---|
| Alnus distincta | Paleogene | Neogene |
|
| Alnus elegans | Late Maastrichtian | Paleocene |
|
| Alnus eminens | Eocene | Miocene |
|
| Alnus explicata | Paleogene | Neogene |
|
| Alnus feroniae | Late Eocene | Early Oligocene |
|
| Alnus finitima | Maastrichtian | Danian |
|
| Alnus firma | Paleogene | Pleistocene |
|
| Alnus firmiformis | Late Eocene | Middle Miocene |
|
| Alnus flexilis | Miocene | Miocene |
|
| Alnus form a | Early Sarmatian | Early Sarmatian |
|
| Alnus form b | Early Sarmatian | Early Sarmatian |
|
| Alnus fruticosa | Eocene | Eocene |
|
| Alnus glutinosa | Early Tertiary | Holocene |
|
| Alnus gracilis | Danian | Danian |
|
| Alnus gratiosa | Paleogene | Neogene |
|
| Alnus habilis | Paleogene | Neogene |
|
| Alnus hexapollenites | Eocene | Miocene |
|