This name is a synonym of Cressa truxillensis Kunth.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 8501503) with original publication details: Aliso 4(1): 96 1958.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:69431-2.
This name was in version 1 of The Plant List, record tro-8501503.