 |
| |||
| bouleau commun (Betula alba, Betula pendula, Betula verrucosa); bouleau d'Europe (Betula alba, Betula pendula, Betula verrucosa); bouleau verruqueux (Betula alba, Betula pendula, Betula verrucosa) | |||
| bouleau blanc; commun; bouleau | |||
| mesteacăn: 7 phrases in 4 subjects |
| Construction | 1 |
| Forestry | 4 |
| Natural sciences | 1 |
| Ornithology | 1 |