Alnus Serrulata -

Alnus serrulata , commonly known as the , Hazel Alder , or Tag Alder , is a multi-stemmed, thicket-forming deciduous shrub or small tree native to eastern North America. It is celebrated for its role as a "pioneer species," capable of stabilizing soil and fixing nitrogen in barren or wetland environments, which helps pave the way for other plant life. Botanical Profile