This name is a synonym of Callistemon viminalis (Sol. ex Gaertn.) G.Don.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 123962) with original publication details: Austrobaileya 2: 75 1984.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:918525-1.
This name was in version 1 of The Plant List, record kew-123962.