Ulmus laevis 'Urticifolia'
 The European White Elm U. laevis cultivar 'Urticifolia' was raised by Jacques [1] as a chance seedling in 1830 and propagated by grafting. Listed in Revue Hort. 2: 128 1832 as U. urticifolia. It was later mentioned by de Vries in Plant Breeding 1906.