Don't plant a Callery pear tree in Ohio, and if you have one, cut it
Do not plant any more Callery pear, and if you have one, it would be best to cut it down before its invasive seeds are spread any further.
United States Ohio Department Of Natural Resources Carpinus Caroliniana Frank Becker Cladrastis Kentukea International Society Of Arboriculture
Source: lancastereaglegazette.com