This name is a synonym of Aristida californica Thurb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 394767) with original publication details: Contr. U. S. Natl. Herb. 3: 48 1892.
This name was in version 1 of The Plant List, record kew-394767.