This name is a synonym of Erica lucida var. laxa (Andrews) Bolus.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Col. Engr. Heaths ed. 2, 2: t. 73 1845.
This name was in version 1 of The Plant List, record kew-2793662, and has not been changed.