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 [comb. nov.]

basionym: Pteropogon pygmaeum DC. legitimate nomenclatural synonym: Pteropogon australis Nees nom. illeg. nomenclatural synonym: Helipterum pygmaeum (DC.) F.Muell. legitimate taxonomic synonym: Pteropogon drummondii A.Gray legitimate taxonomic synonym: Pteropogon intermedius F.Muell. legitimate taxonomic synonym: Helipterum pygmaeum var. occidentale Benth. legitimate taxonomic synonym: Helipterum pygmaeum var. drummondii (A.Gray) Ostenf. nom. illeg. taxonomic synonym: Helipterum drummondii (A.Gray) Ostenf. nom. inval., nom. alt.

Wilson, Paul G. in Harden, G.J. (ed.) (1992), Rhodanthe. Flora of New South Wales 3: 218 [secondary reference]

nomenclatural synonym: Helipterum pygmaeum (DC.) F.Muell. legitimate common name: Pigmy Sunray [n/a]

Short, P.S. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Rhodanthe. Flora of Victoria 4: 756, Fig. 148f [secondary reference]

nomenclatural synonym: Pteropogon pygmaeum DC. legitimate nomenclatural synonym: Helipterum pygmaeum (DC.) F.Muell. legitimate

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Pteropogon pygmaeum DC. legitimate nomenclatural synonym: Pteropogon pygmaeus F.Muell. orth. var. nomenclatural synonym: Helipterum pygmaeum (DC.) F.Muell. legitimate nomenclatural synonym: Helipterum pygmaeum (DC.) Benth. isonym nomenclatural synonym: Helipterum pygmaeum (DC.) F.Muell. var. pygmaeum legitimate nomenclatural synonym: Argyrocome pygmaea (DC.) Kuntze legitimate taxonomic synonym: Pteropogon australis Nees nom. illeg. taxonomic synonym: Pteropogon drummondii A.Gray legitimate taxonomic synonym: Pteropogon intermedius F.Muell. legitimate taxonomic synonym: Helipterum pygmaeum var. occidentale Benth. legitimate taxonomic synonym: Helipterum drummondii (A.Gray) Ostenf. nom. inval., nom. alt. taxonomic synonym: Helipterum pygmaeum var. drummondii (A.Gray) Ostenf. nom. illeg.

• APC Dist.: WA, SA, Qld, NSW, Vic

---