Natural forests in Ireland are mainly oak, ash, wych elm, birch and pine. Besides olive wood, elm, cedar, oak and cypress were used. European species of apple, ash, elm, linden, and oak have been successfully introduced. To the south lies the subzone of broad-leaved forests of oak, lime, maple and elm. The lanes were separated by median strips planted with Pine, Elm, and Scholar trees. They were made from yew, ash or elm. Arbotect is not effective on root graft infections from adjacent elm trees. Moist sites can grow tall forests dominated by elm and pecan. Fossil finds from this period of elm bark beetles support this theory. The gallows consisted of nothing more than a large elm tree. Who put Bella in the Wych Elm? The shoots are slender compared with those of wych elm. There is something wrong with elm trees. He died in the hospital before the body in the wych elm was found. Thousands of attempts to cross the American elm with the Siberian elm "U. pumila" failed.