T.I.Chuang & Heckard (Eastw.) 1984 - Chuang TI, Heckard LR (1992) Nomenclatural Changes of Some Californian Castilleja (Scrophulariaceae). Novon 2(3): 185. doi: 10.2307/3391544.
There is no corrections for Castilleja applegatei subsp. pallida yet.