skos:altLabel | - birch
- white birch
- birches
- River birch
- birch forest
- downy birch
- Betula
- Birches
- birk
- ''Betula''
- ''Betula'' spp
- Birch leaves
- Birch tree
- Birch#Medical
- Ermann's Birch
- European birches
- Himalayan birch
- Maine birch
- The Birch
- \"birch leaf\"
- birch forests
- birch scrub
- birch seeds
- birch tree
- birch trees
- birch twigs
- birch wood
- birch woodland
- birch woods
- birchen
- gray birch
- northern birch
- yellow birch
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