This name is a synonym of Carex × heterophyta .
The record derives from WCSP
(data supplied on )
which reports it as a synonym (record
376525) with original publication details: Jahresber. Preuss. Bot. Vereins 1927-1929: 9 1930.
This name was in version 1 of The Plant List, record kew-376525, and has not been changed.