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Phylogenetic Positions of the Enigmatic Asiatic Fern Genera Diplaziopsis and Rhachidosorus from Analyses of Four Plastid Genes 期刊论文
AMERICAN FERN JOURNAL, 2011, 卷号: 101, 期号: 3, 页码: 142-155
作者:  Li Chunxiang (李春香);  Lu Shugang;  Sun Xiaoyan (孙晓艳);  Yang Qun (杨群)
Adobe PDF(432Kb)  |  收藏  |  浏览/下载:447/30  |  提交时间:2012/08/15
Diplaziopsis  Rhachidosorus  Molecular Systematics  Rbcl  Atpb  Atpa  Rps4  
A distance-based least-square method for dating speciation events 期刊论文
MOLECULAR PHYLOGENETICS AND EVOLUTION, 2011, 卷号: 59, 期号: 2, 页码: 342-353
作者:  Xia, Xuhua;  Yang, Qun (杨群)
Adobe PDF(775Kb)  |  收藏  |  浏览/下载:370/23  |  提交时间:2012/08/15
Dating  Local Clocks  Evolutionary Distance  Least-squares  Statistical Estimation  Rate-smoothing  Divergence Time  Primate  
A new method to prepare clean cuticular membrane from fossil leaves with thin and fragile cuticles 期刊论文
SCIENCE CHINA-EARTH SCIENCES, 2011, 卷号: 54, 期号: 2, 页码: 223-227
作者:  Wang Li (王力);  Leng Qin (冷琴)
Adobe PDF(1130Kb)  |  收藏  |  浏览/下载:399/30  |  提交时间:2012/08/15
Fossil Leaf Cuticle  Metasequoia  New Method  Thin And Fragile Cuticle  Sem Observation  Stomatal Frequency  Co(2)