Bentham, G. (16 December 1868), Flora Australiensis 4: 28 [tax. nov.]

• Type: "Swan River Collie; Murchison river, Oldfield, also Drummond, n. 131, 2nd Coll. n. 271."

Erickson, R.E. & Willis, J.H. (1956), Critical notes on Australian Stylidiaceae, with descriptions of three new species and two new varieties. The Victorian Naturalist 72: 135 [secondary reference]

• Lectotype: "WESTERN AUSTRALIA – Swan River (LECTOTYPE in MEL, PARATYPE in K – J.Drummond 2nd. coll., No. 271 ...)"

Erickson, R.E. & Willis, J.H. (1956), Critical notes on Australian Stylidiaceae, with descriptions of three new species and two new varieties. The Victorian Naturalist 72: 135 [basionym]

basionym of: Stylidium macrocarpum (Benth.) F.L.Erickson & J.H.Willis legitimate

Wege, J.A. (16 December 2006), Reinstatement of Stylidium rigidulum (Stylidiaceae), with notes on the morphologically allied S. kalbarriense. Nuytsia 16(1): 200 [taxonomic synonym]

taxonomic synonym of: Stylidium rigidulum Sond. legitimate

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

taxonomic synonym of: Stylidium rigidulum Sond. legitimate

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