Sonder, O.W. in Lehmann, J.G.C. (ed.) (1845), Stylideae. Plantae Preissianae 1(3): 376 [tax. nov.]

• Type: "In rupestribus ad Princess Royal Harbour, d. 11. Oct. 1840 et in limoso-glareosis sterilibus districtus Hay, d. 8. Nov. 1840. Herb. No. 2260."

• Comment: Published as [beta] gracile'

Wege, J.A. (16 December 2006), Taxonomic observations on Stylidium spathulatum (Stylidiaceae), with the description of three allied species from section Saxifragoidea. Nuytsia 16(1): 234 [secondary reference]

• Lectotype: in limoso-glareosis sterilibus districtus Hay, 8 Nov. 1840, preiss 2260 (lecto, here designated: MEL 2069494B).

Wege, J.A. (16 December 2006), Taxonomic observations on Stylidium spathulatum (Stylidiaceae), with the description of three allied species from section Saxifragoidea. Nuytsia 16(1): 234 [taxonomic synonym]

taxonomic synonym of: Stylidium spathulatum R.Br. legitimate

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Stylidium spathulatum R.Br. legitimate

Wege, J.A. (8 June 2017), Stylidium miscellany 3: a synopsis of Robert Brown’s Stylidiaceae types and occasional notes on associated names. Nuytsia 28: 244 [secondary reference]

• Type: "In limoso-glareosis sterilibus districtus Hay [Western Australia], 8 November 1840, L. Preiss 2260 (lectotype fide J.A. Wege, Nuytsia 16(1): 234 (2006): MEL 2069494B!; isolectotype: LD 1753620!). Paralectotype [syntype]: In rupestribus ad Princess Royal Harbour, 11 October 1840, L. Preiss s.n. (MEL 2069494A!)."

Wege, J.A. (8 June 2017), Stylidium miscellany 3: a synopsis of Robert Brown’s Stylidiaceae types and occasional notes on associated names. Nuytsia 28: 244 [taxonomic synonym]

taxonomic synonym of: Stylidium spathulatum R.Br. legitimate

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