sentences:  The tree continued in cultivation in continental Europe, appearing on the lists of the Hesse Nursery of Weener, Germany, to the 1930s, and in New Zealand.It was introduced to the USA in the late 19th century, appearing in the catalogues of the Mount Hope Nursery (also known as Ellwanger and Barry) of Rochester, New York.At least two specimens are known to survive, one in the United States and one in the UK, the latter treated as a hedging plant to avoid the attentions of the Scolytus beetles that act as vectors of Dutch elm disease.