This name is a synonym of Balduina angustifolia (Pursh) B.L.Rob..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 59B883A3-5E5F-4146-9C01-C3A905CD71B5) with original publication details: 175 1818.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:184035-1.
This name was in version 1 of The Plant List, record gcc-118752, and has not been changed.