Blume, C.(K.)L. von (1826), Bijdragen tot de Flora van Nederlandsch Indie 12: 600 [primary reference]

Council of Heads of Australasian Herbaria (2009), Australian Plant Census: - [orthographic variant]

orthographic variant of: Trigonostemon Blume legitimate

Yu, R.-Y., Slik, F.J.W. & Welzen, P.C. van (October 2019), Molecular phylogeny of Trigonostemon and its relatives (Euphorbiaceae). Taxon 68(5): 927 [orthographic variant]

orthographic variant of: Trigonostemon Blume legitimate

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