This name is a synonym of Oligochaeta divaricata (Fisch. & C.A.Mey.) K.Koch.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 5FE50B09-EC14-40F6-B70F-ECA1F8F4BC81) with original publication details: 1916.
This name was in version 1 of The Plant List, record gcc-136622, and has not been changed.