This name is a synonym of Erodium laciniatum subsp. pulverulentum (Cav.) Batt..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Diss. 4: 272 1787.
This name was in version 1 of The Plant List, record kew-2823875.