Abstract: A new and distinct cultivar of Betula papyrifera named ‘Cenci’ characterized by its tight, oval, compact growth habit, slow to moderate growth rate, white, large, shaggy, persisting exfoliating bark when mature and high resistance to the Bronze Birch Borer.
Abstract: A new and distinct cultivar of Betula papyrifera named ‘Oenci’ characterized by its broad, dense pyramidal growth habit, bark color changing from mahogany reddish brown to white at maturity, very high resistance to Bronze Birch Borer and drought resistance.
Abstract: A new and distinct cultivar of Betula papyrifera named ‘Uenci’ characterized by its narrow, open, vigorous and upright growth habit, fast growth rate; semi-exfoliating bark when mature and very high tolerance to the Bronze Birch Borer.
Abstract: A new and distinct cultivar of Betula papyrifera named ‘Renci’ characterized by its pyramidal shaped crown, rapid growth rate, only slightly exfoliating bark when mature and very high resistance to the Bronze Birch Borer.