disease which were released after 1989. [ 17 ] Alba , Angustifolia , Arno , Aurea , Belgica (Belgian Elm) , Cinerea , Clusius , Columella , Commelin , Dampieri , Dauvessei , Daveyi (Davey Elm) , Den Haag , Dumont , Eleganto-Variegata , Fiorente , Fjerrestad , Frontier , Fulva