Noun
alders
Source: WordNetLeaves of the tag alder * Alnus serrulata (Aiton) Willd. Source: Internet
Arizona, New Mexico, Sonora, Chihuahua * Alnus rugosa (Du Roi) Spreng. Source: Internet
Trees or shrubs with stalked shoot buds, male and female catkins produced in autumn (fall) and expanding and pollinating then, three species: * Alnus formosana (Burkill) Makino — Formosan alder. Source: Internet
Eastern North America * Alnus sieboldiana Matsum. Source: Internet