Alnus Veridis Crispa is a specific type of tree that belongs to the Alnus species. The tree is commonly known as Green Alder and has distinguishing characteristics such as wavy-edged leaves and a greenish-gray bark. Other synonyms for Alnus Veridis Crispa include Alder leafed alder, the curled-leaf alder, and the green-leaf alder. This tree is widely distributed across Europe and North America and is known for its medicinal properties. A decoction of the leaves has been used to treat fever, diarrhea, and inflammation. The bark of the tree is also used to treat skin ailments. Alnus Veridis Crispa is a vital part of the ecological system as it helps in nitrogen fixation and erosion control.