This name is a synonym of Ortachne erectifolia (Swallen) Clayton.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 423016) with original publication details: Bol. Soc. Argent. Bot. 11: 239 1969.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:143785-2.
This name was in version 1 of The Plant List, record kew-423016, and has not been changed.