| Birkenporling | Piptoporus betulinus |
| Birkenröhrling | birch bolete |
| birnenförmig | pear-shaped |
| Birkenhain | birch grove |
| Birkenholz | birch wood |
| Birkenpilz | birch bolete rough-stemmed bolete scaber stalk |
| Birkenrinde | birchbark |
| Birkenzeisig | common redpoll |
| gurkenförmig | cucumiform |
| Bitterling | bitter bolete |
| Birnenholz | pear |
| Birnenwein | perry |
| Birkenfeige | weeping fig Benjamin's Fig Java fig benjamin-tree |
| Birkenlaub | birch leaves |
| Birkenmeise | Brown Crested Tit Grey Crested Tit |
| Birkenpech | birch pitch birch tar |
| Birkenrute | birch rod |
| Birkenwald | birch forest birch grove |
| Birnensorte | pear variety |
| Türkenkorn | maize |