Mildbraed, G.W.J. in Engler, H.G.A. (26 May 1908), Stylidiaceae. Das Pflanzenreich 35: 66, Fig 19 A-B [tax. nov.]

• Type: "West-Australien: Distr. Stirling: Plantagenet, Denmark, auf hümosem Conglomerat im Walde, beschattet (im Verblühen Mitte Januar 1901 – L. Diels n. 2267!)."

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 162 [secondary reference]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Dicotyledons. Flora of the South West 2: 909 [secondary reference]

common name: Royal Triggerplant [n/a]

Wege, J.A. (29 September 2010), Stylidium miscellany 1: typifications and new taxa from south-west Western Australia. Nuytsia 20: 88 APC [secondary reference]

• Neotype: "West-Australien: Distr. Stirling: Plantagenet, Denmark, auf humosem Conglomerat im Walde, beschattet (im Verbluhen Mitte Januar 1901 - L. Diels n. 2267!)" (holotype: B n.v., destroyed in WWII). Neotype: 600 m from Kordabup Road along track into Nature Reserve, track is 3.3 km north of South Coast Highway, north-west of Denmark, Western Australia, 21 November 2007, J.A. Wege & C. Wilkins JAW 1498 (here designated: PERTH 07854927; isoneotypes: CANB, MEL).

• APC Dist.: WA

Western Australian Herbarium (2011), FloraBase: the Western Australian Flora Version 2.6: - [secondary reference]

common name: Royal Triggerplant [n/a]

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