This name is a synonym of Myoxanthus affinis (Lindl.) Luer.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 100464) with original publication details: Revis. Gen. Pl. 2: 667 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:124450-2.
This name was in version 1 of The Plant List, record kew-100464, and has not been changed.