This study was supported by the NSFC (Nos. 3022130698; 30379500; 40842002) and the Foundation of Jilin University (No. 602257). The study was also partially financed by the Bureau of Land and Resources of Heilongjiang (2005-2006).
QUAN Cheng, SUN Ge.2008. Late Cretaceous Aquatic Angiosperms from Jiayin, Heilongjiang, Northeast China[J]. ACTA GEOLOGICA SINICA(English edition),82(6):1133~1140
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