Complex sentence: The cultivar's status in North America is not clear; a tree identified as' Belgian Elm' was photographed at the Ellwanger and Barry nursery at Mount Hope, Rochester, New York, circa 1900.
Split into simpler sentences: The cultivar's status in North America is not clear. A tree identified as' Belgian Elm' was photographed at the Ellwanger and Barry nursery at Mount Hope, Rochester, New York, circa 1900.