This name is a synonym of Campylosiphon congestus (C.H.Wright) Maas.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 222662) with original publication details: Monogr. Burmann. 94 1938.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:126591-1.
This name was in version 1 of The Plant List, record kew-222662.