This name is a synonym of Microseris nutans (Hook.) Sch.Bip..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 2DE3B080-7F8C-45B0-B94A-65DCBEBD13A4).
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 Ptilophora major in version 1 of The Plant List.