This name is a synonym of Herniaria incana Lam..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Hort. Bot. Hafn. Suppl.: 127 1819.
This name was in version 1 of The Plant List, record kew-2846890, and has not been changed.