Alder Tree (Alnus sp.) – How to Identify and Know Difference from Hazel

The Alder (Alnus species) is a genus of a tree, or a shrub, belonging to the Birch family (Betulaceae). There are a few dozen species of the Alder growing around the world. Here in Central Europe, three species occur natively: Green Alder (Alnus Alnobetula), Grey Alder (Alnus Incana) and Black Alder (Alnus Glutinosa). The Black … Continue reading “Alder Tree (Alnus sp.) – How to Identify and Know Difference from Hazel”