Patterns of morphological variation of alligator weed (Alternanthera philoxeroides): from native to invasive regions
Xiaoyun Pan, Hanzhao Liang, Alejandro Sosa, Yupeng Geng, Bo Li, Jiakuan Chen
Biodiv Sci . 2006, (3): 232 -240 .  DOI: 10.1360/biodiv.050223