Phylogeny of Chinese Polystichum (Dryopteridaceae) based on chloroplast DNA sequence data (trnL-F and rps4-trnS)

@article{Li2007PhylogenyOC,
  title={Phylogeny of Chinese Polystichum (Dryopteridaceae) based on chloroplast DNA sequence data (trnL-F and rps4-trnS)},
  author={Chun-xiang Li and Shu-gang Lu and David S Barrington},
  journal={Journal of Plant Research},
  year={2007},
  volume={121},
  pages={19-26}
}
Polystichum is one of the largest and most taxonomically complex fern genera in China. The evolutionary relationships of Chinese Polystichum and related genera, and the relationship between our Polystichum phylogeny and ecogeographic distribution, were tested by the use of DNA sequence data. Fifty-one species of Polystichum and 21 species in allied genera were sequenced for the plastid intergenic spacers rps4-trnS and trnL-F. Maximum parsimony and Bayesian phylogenetic analyses of both… 
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The origin of the Hawaiian species of Polystichum is the result of multiple migrations to the islands, rather than single migrations yielding nearly all the local diversity as in the angiosperms, which provides a modern test of the premise that propagule vagility has a central role in determining pattern of evolution.
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