This name is a synonym of Callistemon linearis (Schrad. & J.C.Wendl.) Colv. ex Sweet.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 123752) with original publication details: Sert. Hannov. 19 1796.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:121485-3.
This name was in version 1 of The Plant List, record kew-123752, and has not been changed.