Pennell, W. (1943), A second summary of the Scrophulariaceae of New Guinea. Journal of the Arnold Arboretum 24(3): 263 [tax. nov.]

Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 74 [secondary reference]

Dunlop, C.R., Leach, G.J., Latz, P.K., Barritt, M.J., Cowie, I.D. & Albrecht, D.E. (1995), Checklist of the Vascular Plants of the Northern Territory: 102 APC [secondary reference]

• APC Dist.: NT, Qld

Holland, A.E. in Henderson, R.J.F. (ed.) (2002), Scrophulariaceae. Names and Distribution of Queensland Plants, Algae and Lichens: 186 [secondary reference]

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