The record derives from WCSP
(data supplied on )
which reports it as a synonym and as an illegitimate name (record
464611) with original publication details: Trans. Linn. Soc. London, Bot. 2: 171 1884.
This name record (from WCSP) 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 Scleria palmifolia in version 1 of The Plant List.