This name is a synonym of Physaria recurvata (Engelm. ex A. Gray) O'Kane & Al-Shehbaz.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50116600) with original publication details: Boston J. Nat. Hist. 6(2): 147 1850.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:264814-2.
This name was in version 1 of The Plant List, record tro-50116600, and has not been changed.