english deutsch
Alnus glutinosa
Alnus glutinosa, Alnus glutinosa (Black Alder), Alnus glutinosa (European Alder), Alnus glutinosa (European Alder), Alnus glutinosa (European Black Alder)
more
Alnus incana
Alnus incana ssp. tenuifolia, Alnus incana ssp. tenuifolia (Thinleaf Alder), Alnus incana ssp. tenuifolia (Thinleaf Alder)
more
Alnus rhombifolia
Alnus rhombifolia, Alnus rhombifolia (White Alder), Alnus rhombifolia (White Alder), Alnus rhombifolia (White Alder)
more
Alnus rubra
Alnus rubra, Alnus rubra (Red Alder), Alnus rubra (Red Alder), Alnus rubra (Red Alder)
more
Alnus rugosa
Alnus incana - Alnus rugosa (Speckled Alder), Alnus incana ssp. rugosa (Speckled Alder), Alnus rugosa, Alnus rugosa (Speckled Alder), Alnus rugosa (Speckled Alder), Alnus rugosa (Speckled Alder)
more
Alnus serrulata
Alnus serrulata, Alnus serrulata, Alnus serrulata (Hazel Alder), Alnus serrulata (Smooth Alder)
more
Alnus viridis
Alnus viridis ssp. crispa (Mountain Alder), Alnus viridis ssp. sinuata
more
Alnus crispa (Green Alder)
http://www.borealforest.org/shrubs/shrub2.htm
Describes physical characteristics and habitat. Provides photo of branch with fruit and flowers.
Alnus maritima (Seaside Alder)
http://plants.usda.gov/cgi_bin/plant_profile.cgi?symbol=ALMA7
Images, plant synonyms, range map, scientific classification, and wetland indicator status.
Alnus nepalensis
http://www.botany.hawaii.edu/faculty/carr/images/aln_nep_mid.jpg
Photograph of flowering parts.