- Alnus acuminata
- Alnus adscendens
- Alnus alnobetula
- Alnus arguta
- Alnus borealis
- Alnus cecropiaefolia
- Alnus cremastogyne
- Alnus cordata
- Alnus cordifolia
- Alnus crispa
- Alnus densiflora
- Alnus fauriei
- Alnus ferdinandi
- Alnus firma
- Alnus firmifolia
- Alnus formosana
- Alnus fructicosa
- Alnus gaudinii
- Alnus glabrata
- Alnus glutinosa
- Alnus henryi
| - Alnus hirsuta
- Alnus incana
- Alnus inokumai
- Alnus japonica
- Alnus jorullensis
- Alnus julianiformis
- Alnus kamtschatica
- Alnus kefersteinii
- Alnus koreana
- Alnus latissima
- Alnus mandshurica
- Alnus maritima
- Alnus matsumurae
- Alnus maximowiczii
- Alnus mayrii
- Alnus menzelii
- Alnus mollis
- Alnus multinervis
- Alnus nepalensis
- Alnus noveboracensis
- Alnus nitida
| - Alnus oblongifolia
- Alnus oregana
- Alnus orientalis
- Alnus pendula
- Alnus pringlei
- Alnus rhombifolia
- Alnus rubra
- Alnus rugosa
- Alnus serrulata
- Alnus serrulatoides
- Alnus sibirica
- Alnus sieboldiana
- Alnus sinuata
- Alnus sitchensis
- Alnus spaethii
- Alnus subcordata
- Alnus tenuifolia
- Alnus tinctoria
- Alnus trabeculosa
- Alnus undulata
- Alnus viridis
|
Alnus 
