 |
| |||
| Alnus incana (mazurov) | |||
| |||
| speckled alder (Alnus incana); white alder (Alnus incana) | |||
| grey alder; hoary alder; speckled alder (Alnus incana); weeping alder (Скоробогатов) | |||
| speckled alder | |||
| white alder | |||
| Ольха серая: 2 do fraz, 2 tematyki |
| Leśnictwo | 1 |
| Technika i technologia | 1 |