2005-04-132005-04-132003-05-19https://hdl.handle.net/1813/858241323 bytes257167 bytesimage/jpegimage/jpegen-USPyrus calleryanaValzamRosaceaeValiantCallery PearLake Country NurseryUrban Tree Collection02-131*A Pyrus calleryana 'Valzam' VALIANTimage