W.L.Wagner & Hoch (Davidson) 2007 - Wagner WL, Hoch PC, Raven PH (2007) Revised Classification of the Onagraceae. Systematic Botany Monographs 83: 1-240. Retrieved from http://www.jstor.org/stable/25027969
There is no corrections for Camissoniopsis pallida subsp. hallii yet.