This name is a synonym of Eriocaulon echinulatum Mart..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 243685) with original publication details: Acta Phytotax. Geobot. 26: 49 1974.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:880266-1.
This name was in version 1 of The Plant List, record kew-243685, and has not been changed.