This name is a synonym of Schizachne purpurascens subsp. capillipes (Kom.) Tzvelev.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 397994) with original publication details: Fl. Kamtschatka 1: 158 1927.
This name was in version 1 of The Plant List, record kew-397994, and has not been changed.