Familie: Betulaceae (Birkengewächse)

((POWO|Betulaceae))

Betulaceae. In: POWO = Plants of the World Online von Board of Trustees of the Royal Botanic Gardens, Kew: Kew Science.

Gattung: Betula (Birken)

((POWO|Betula))

Betula. In: POWO = Plants of the World Online von Board of Trustees of the Royal Botanic Gardens, Kew: Kew Science.

Art: Betula nana (Zwerg-Birke)

((POWO|Betula nana))

Betula nana. In: POWO = Plants of the World Online von Board of Trustees of the Royal Botanic Gardens, Kew: Kew Science.