This name is a synonym of Oenothera pallida var. californica (S. Watson) Jeps..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50129362) with original publication details: Proc. Amer. Acad. Arts 8: 582 1873.
This name was in version 1 of The Plant List, record tro-50129362.