Alnus viridis (Add)Alnus subg. Alnus (Add)
Alnus acuminata (Add)Alnus subg. Clethropsis (Add)
Alnus cordata (Add)
Alnus cremastogyne (Add)
Alnus firma (Add)
Alnus formosana (Add)
Alnus glutinosa
Alnus incana (Add)
Alnus japonica (Add)
Alnus jorullensis (Add)
Alnus mandshurica (Add)
Alnus orientalis (Add)
Alnus parvifolia (Add)
Alnus pendula (Add)
Alnus rhombifolia (Add)
Alnus rubra (Add)
Alnus serrulata (Add)
Alnus subcordata (Add)
Alnus maritima (Add)Incertae sedis Alnus (Add)
Alnus nepalensis (Add)
Alnus nitida (Add)
Alnus kluckingi (Add)
Alnus operia (Add)