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Photographer: Libing Zhang
Cave Fern Diversity in Guizhou: Polystichum minutissimum (Dryopteridaceae)
Location: Guizhou, Libo, Dongtang, Shenxiandong, alt. 680 m. 25.29918 N, 108.06496 E.
This holly fern species was found in 2007 and described in 2009. It is the smallest species in the genus found so far. It is endemic to a single karst cave in southern Guizhou.
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