Sycamore or Sequoia are both types of trees. Sycamore is a type of hardwood tree that is native to Europe, North Africa, and western Asia. It is known for its large, spreading canopy and distinctive bark. Sequoia is a type of evergreen coniferous tree native to the western United States. It is one of the largest and tallest trees in the world, with some specimens reaching over 300 feet tall. Both trees are popular for their beauty and longevity.