This name is a synonym of Cyanococcus margarettae (Ashe) Small.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50077875) with original publication details: Torreya 18(4): 71–72 1918.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:286601-2.
This name was in version 1 of The Plant List, record tro-50077875.