This name is a synonym of Hesperolinon bicarpellatum (H. Sharsm.) H. Sharsm..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 18700212) with original publication details: Madroño 8(4): 143–144 1945.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:140795-2.
This name was in version 1 of The Plant List, record tro-18700212, and has not been changed.