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 [tax. nov.]

• Type: "Type from stony slopes near Billerango Hills, SW of Morawa, Western Australia (ISOTYPES in MEL, K and PERTH – Rica Erickson, 10 Sept. 1953)."

Carlquist, S. (1976), New species of Stylidium, and notes on Stylidiaceae from Southwestern Australai. Aliso 8: 457 [secondary reference]

• Lectotype: "In accord with the intent of these authors, I designate the holotype of S. macrocarpum var. planifolium, and therefore for S. ricae, to be the MEL specimen."

Carlquist, S. (1976), New species of Stylidium, and notes on Stylidiaceae from Southwestern Australai. Aliso 8: 455 [replaced synonym]

replaced synonym of: Stylidium ricae Carlquist legitimate

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

nomenclatural synonym of: Stylidium ricae Carlquist legitimate

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