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birch (Betula spp.) | |||
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birch; silver birch (Betula pendula) | |||
birch (betula pendula, betula pubescens) | |||
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birches | |||
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birch | |||
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birch |
Birken : 17 phrases, 7 sujets |
Agriculture | 8 |
Botanique | 1 |
Entomologie | 2 |
Général | 2 |
Industrie | 1 |
Sciences naturelles | 1 |
Sylviculture | 2 |