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A Taxonomical Study of the Genus Polystichum Roth Section Haplopolystichum Tagawa from Yunnan


 The present paper reports the result of the taxonomic study on the genus Polys-
tichum section Haplopolystichum  from Yunnan, which includes 12 species, Two new series
are established, 4 new species (P. subacutidens, P. daguanense, P. paradeltodon, P. craspe-
docarpium) are described and a new combination is made. The circumscription of the section
Haplopolystichum Tagawa is revisied.


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