In the APG II system (continued in the APG III system), it is considered to be part of a fairly small Scrophulariaceae family, along with Buddleja and a variety of plants long classified in the Scrophulariaceae (such as Leucophyllum, North American shrubs which are the closest relatives to the former Myoporaceae.)
- Olmstead, R. G., dePamphilis, C. W., Wolfe, A. D., Young, N. D., Elisons, W. J. & Reeves P. A. (2001). "Disintegration of the Scrophulariaceae". American Journal of Botany. American Journal of Botany, Vol. 88, No. 2. 88 (2): 348–361. JSTOR 2657024. PMID 11222255. doi:10.2307/2657024.
- Angiosperm Phylogeny Group II (2003). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG II" (PDF). Botanical Journal of the Linnean Society. 141: 399–436. doi:10.1046/j.1095-8339.2003.t01-1-00158.x.
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