Scientific Note: An Incursion of the Widely-cultivated Katsura (Cercidiphyllum japonicum, Cercidiphyllaceae) in Pennsylvania
Cercidiphyllum japonicum (katsura) is a dioecious tree native to China and Japan. Although imperiled in parts of its natural distribution, the species has become quite common as a cultivated tree in temperate North America. The species is noted as occasionally escaping cultivation in the eastern United States, but few records of established incursions (and the […]