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↑ абKornhall, Per and Bremer, Birgitta (2004). New circumscription of the tribe Limoselleae (Scrophulariaceae) that includes the taxa of the tribe Manuleeae. Botanical Journal of the Linnean Society146 (4): 453–467. doi:10.1111/j.1095-8339.2004.00341.x.
↑Oxelman, B.; Kornhall, P.; Olmstead, R.G.; Bremer, B. (2005). Further disintegration of the Scrophulariaceae. Taxon54 (2): 411–425. JSTOR25065369. doi:10.2307/25065369.