Ulmus 'Klemmer'
 'Klemmer' or the Flanders Elm is probably one of a number of hybrids arising from the crossing of the Wych Elm (Ulmus glabra) with a variety of Field Elm (Ulmus minor) making it a variety of Ulmus × hollandica . Originating in the Bruges area it was released in 1789 and was listed at the Royal Botanic Gardens Kew as Ulmus × hollandica var. Klemmerii.