This name is a synonym of Carex filipes var. tremula .
The record derives from WCSP
(data supplied on )
which reports it as a synonym (record
224644) with original publication details: Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol. 5(3): 255 1930.
This name was in version 1 of The Plant List, record kew-224644, and has not been changed.