This name is a synonym of Tripleurospermum maritimum (L.) W.D.J.Koch.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 6C13A244-7C35-457B-8459-96E6FD30804D).
This name record (from TICA) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Tripleurospermum maritimum in version 1 of The Plant List.