Heller, A.A. (1904), Muhlenbergia 1: 109 [tax. nov.]

Chuang, T.I. & Heckard, L.R. (1991), Generic realignment and synopsis of subtribe Castillejinae (Scrophulariaceae - Tribe Pediculareae). Systematic Botany 16(4): 657 [basionym]

basionym of: Castilleja exserta (A.Heller) T.I.Chuang & Heckard legitimate

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Castilleja exserta (A.Heller) T.I.Chuang & Heckard legitimate

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