Betulaceae

Birch family
Black Alder (Alnus glutinosa)
Scientific classification
Kingdom: Plantae Division: Magnoliophyta Class: Magnoliopsida Order: Fagales Family: Betulaceae
Genera
Alnus (the alders)   Betula (the birches)

Betulaceae, or the Birch Family, includes two genera of trees and shrubs, the birches and the alders. The family is often treated as also including the Corylaceae: hazels, hornbeams and hop-hornbeams.

Example species of the two genera are:

• Alnus - alder
  • Black alder Alnus glutinosa
  • Speckled alder Alnus incana
  • Red alder Alnus rubra
  • Green alder or Mountain alder Alnus viridis
• Betula - birch
  • Silver birch Betula pendula
  • Paper birch Betula papyrifera
  • River birch Betula nigra

Fagales