Taxa Count: 27
BETULACEAE
Alnus acuminata
Alnus firma var. hirtella
Alnus fruticosa var. mandshurica
Alnus fruticosa var. sinuata
Alnus glutinosa var. laciniata
Alnus hirsuta var. sibirica
Alnus incana subsp. rugosa
Alnus incana subsp. tenuifolia
Alnus matsumurae
Alnus maximowiczii
Alnus tinctoria
Alnus viridis subsp. crispa
Alnus viridis subsp. fruticosa
Alnus viridis subsp. sinuata