This name is a synonym of Dimerocostus argenteus (Ruiz & Pav.) Maas.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 239706) with original publication details: Publ. Field Columb. Mus., Bot. Ser. 8: 114 1930.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:80395-2.
This name was in version 1 of The Plant List, record kew-239706, and has not been changed.