W illow trees fall under the Salix genus and include over 400 species, with two of the most well-known medicinal species being the white willow (Salix alba) and the black willow (Salix nigra).All ...

Willow trees are in the Salix genus, along with pussy willow and more than 20 other species of woody plants native to our region. Black willow ( Salix nigra ) grows throughout the eastern United ...

Salix nigra Marshall National Museum of Natural History. Click to open image viewer. CC0 Usage Conditions Apply Click for more information. Click to view download files. Click to view IIIF info. This ...

The most common North American deciduous trees are elm, willow, beech, cherry, birch, and basswood. These trees each have their own unique qualities, from the heart-shaped leaves of the birch to ...