This name is a synonym of Leucanthemum platylepis Borbás.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 6B973AD9-41A6-4242-BA5E-9EE9BB7F7C10) with original publication details: 273 1976.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:877597-1.
This name was in version 1 of The Plant List, record gcc-60528, and has not been changed.