Betulaceae

Alnus crispa
Alnus firma
Alnus glutinosa
Alnus hirsuta
Alnus maximowiczii
Alnus nepalensis
Alnus sinuata
Alnus sp.
Alnus viridis subsp. crispus
Alnus viridis subsp. fruticosa
Alnus viridis subsp. sinuata
Betula albosinensis
Betula apoiensis
Betula glandulosa
Betula jacquemontii
Betula litwinowii
Betula luminifera
Betula pumila
Betula utilis
Carpinus betulus
Carpinus caroliniana
Carpinus cordata
Carpinus fangiana
Carpinus orientalis
Corylus americana
Corylus avellana
Corylus californica
Corylus heterophylla var. sutchuenensis
Ostryopsis davidiana