Phylogenetic origin of Beckmannia (Poaceae) inferred from molecular evidence
Chong-Mei XU, Chang-You QU, Wen-Guang YU, Xue-Jie ZHANG, Fa-Zeng LI
J Syst Evol . 2009, (4): 305 -310 .  DOI: 10.1111/j.1759-6831.2009.00032.x