the Dutch elm breeding programme before World War II, but none of the progeny were of particular note and are not known to have been cultivated Synonymy Ulmus americana var. glabra: Walpers, Ann. Bot. Syst. 3: 424, 1852. Ulmus fulva (Mchx) pendula Hort., Späth in error, 1880s to 1899 (see above) Accessions North America Morton Arboretum, Illinois, US; acc. no. 678-70; as Ulmus americana f. pendula References American elm cultivar Ulmus articles missing images Ulmus