This name is a synonym of Euclidium syriacum (L.) R.Br..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Stirp. Austr. Fasc. ed. 2, 1: 7 1769.
This name was in version 1 of The Plant List, record kew-2636322.