The American Elm "Ulmus americana" cultivar'Ascendens' is a relatively old clone; its resistance to Dutch Elm Disease is not known.
The clone's resistance to Dutch Elm Disease is not known. The American Elm "Ulmus americana" cultivar'Ascendens' is a relatively old clone.
The American Elm "Ulmus americana" cultivar'Ascendens' is a relatively old clone. The clone's resistance to Dutch Elm Disease is not known.
The American Elm "Ulmus americana" cultivar'Ascendens' is a relatively old clone. The clone's resistance to Dutch Elm Disease is not known.