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《Guihaia》 2011-02
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Cytotaxonomic study of three species of Lepisorus from China(Polypodiaceae)

QI Xin-Ping1,ZHANG Xian-Chun2(1.Shanghai Chenshan Botanical Garden,Shanghai 201602,China;2.State Key Laboratory of Systematic and Evolutionary Botany,Institute of Botany,Chinese Academy of Sciences,Beijing 100093,China)  
In the present paper,the chromosome numbers of three species of Lepisorus were reported for the first time.The chromosome number was 2n=42 in Lepisorus lineariformis;2n=144 in L.likiangensis;2n=50 in L.tibeticus.The haploid chromosome number n=21 is a newly reported number in Polypodiaceae.Based on our study and previous data,we discussed the systematic significance of variability of chromosome numbers within the genus.
【Fund】: 国家自然科学基金(NSFC-30470139 NSFC-30770166);; 中国科学院经典分类项目(91136G1001)~~
【CateGory Index】: Q944.5
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