Complex sentence: The American Elm "Ulmus americana" cultivar'Folia Aurea Variegata' was described by Jäger in "Ziergholze der Garten und Parkanlagen", 548,1865, as having leaves variegated with yellow Green, P. S. (1964).
Split into simpler sentences: The American Elm "Ulmus americana" cultivar'Folia Aurea Variegata' was first described by Jäger in "Ziergholze der Garten und Parkanlagen", 548,1865. The tree was distinguished by leaves variegated with yellow Green, P. S. (1964).