Gray, A. in Hooker, W.J. (ed.) (1852), Characters of some South-west Australian Compositae. Hooker's Journal of Botany and Kew Garden Miscellany 4: 267 [tax. nov.]

• Type: "Swan River, and interior of south-west Australia, Drummond, 1849."

Bentham, G. (5 January 1867), Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis 3: 647 [taxonomic synonym]

taxonomic synonym of: Helipterum pygmaeum var. occidentale Benth. legitimate

Ostenfeld, C.E.H. (1921), Contributions to West Australian Botany, part III : Additions and notes to the flora of extra-tropical W. Australia. Biologiske meddelelser, Kongelige Danske Videnskabernes Selskab 3(2): 142 [basionym]

basionym of: Helipterum pygmaeum var. drummondii (A.Gray) Ostenf. nom. illeg.

Ostenfeld, C.E.H. (1921), Contributions to West Australian Botany, part III : Additions and notes to the flora of extra-tropical W. Australia. Biologiske meddelelser, Kongelige Danske Videnskabernes Selskab 3(2): - [basionym]

basionym of: Helipterum drummondii (A.Gray) Ostenf. nom. inval., nom. alt.

Wilson, Paul G. (7 September 1992), The Classification of Australian species currently included in Helipterum and related genera (Asteraceae: Gnaphalieae): Part 1. Nuytsia 8(3): 398 [taxonomic synonym]

taxonomic synonym of: Rhodanthe pygmaea (DC.) Paul G.Wilson legitimate

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

taxonomic synonym of: Rhodanthe pygmaea (DC.) Paul G.Wilson legitimate

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