Verbatim text: Vincent, M. A. 2005. On the spread and current distribution of Pyrus calleryana in the United States. Castanea 70: 20–31.
Author: Vincent, M.A.
Year: 2005
Title: On the spread and current distribution of Pyrus calleryana in the United States
Journal: Castanea
Volume: 70
Pages: 20–31