Variation in cone morphology and seed characteristics for Pinus massoniana Lamb., P. taiwanensis Hayata, and their hybrid zone
QU Jiteng, YAN Maomao, DAI Xiaogang,LI Shuxian*
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2012, (06): 143 -146 .  DOI: 10.3969/j.jssn.1000-2006.2012.06.029