- Alnus acuminata
- Alnus alaskana
- Alnus alnobetula
- Alnus aschersoniana
- Alnus barnesi
- Alnus carpinoides
- Alnus cordata
- Alnus corylifolia
- Alnus cremastogyne
- Alnus crispa
- Alnus cuprovallis
- Alnus elliptica
- Alnus fagifolia
- Alnus fauriei
- Alnus firma
- Alnus formosana
- Alnus glutinosa x incana
- Alnus glutinosa
- Alnus grandifolia
- Alnus harneyana
- Alnus henryi
- Alnus hirsuta
- Alnus incana
- Alnus japonica
- Alnus jarbidgana
- Alnus jorullensis
- Alnus kanseana
- Alnus koehnei
- Alnus lanata
- Alnus larsoni
- Alnus latissima
- Alnus macrodenta
- Alnus maritima
- Alnus martini
- Alnus matsumurae
- Alnus maximowiczii
- Alnus nepalensis
- Alnus newberryi
- Alnus nitida
- Alnus oblongifolia
- Alnus operia
- Alnus orientalis
- Alnus parvifolia
- Alnus pendula
- Alnus praecordata
- Alnus preacuminata
- Alnus prerhomifolia
- Alnus pubescens
- Alnus pyramidalis
- Alnus rhombifolia
- Alnus rubra
- Alnus schmidtae
- Alnus scotti
- Alnus serrata
- Alnus serrulata
- Alnus serrulatoides
- Alnus sieboldiana
- Alnus silesiaca
- Alnus spaethii
- Alnus subcordata
- Alnus trabeculosa