Delaware Wildflowers • Common names
Common Alder
Alnus serrulataBetulaceae — Birch family
Native
![Common Alder](/images/alnus_serrulata.jpg)
The female flowers are in small clusters above the catkins of male flowers.
Grove Neck, MDMarch 2003
![Common Alder](/images/100318_153134.jpg)
Paper Mill Park
March 2010
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Photos copyright David G. Smith
Information from the Delaware Flora Checklist used with author's permission.