Ulmus 'Sapporo Autumn Gold' is one of the most commercially successful hybrid elm cultivars ever marketed, widely planted across North America and western Europe, although it has now been largely supp

The cultivar Ulmus × androssowii 'Toledo' was raised from seed collected in 1999 from a tree originally believed to be Ulmus minor growing in the eponymous city, by researchers at the Escuela Técnica