Slippery elm (Ulmus rubra)

Slippery elm, also known as Sweet elm, Grey elm, Indian elm

The slippery elm tree, native to North America, thrives in various soil conditions across the United States and Canada. Its inner bark, which turns slippery when wet, is the source of its name. While not commonly utilized in woodworking, its fibrous wood can be crafted into strong twine or rope. However, the species is vulnerable to the elm leaf beetle.