Burbidge, N.T. (1958), A monographic study of Helichrysum Subgenus Ozothamnus (Compositae) and of two related genera formerly included therein. Australian Journal of Botany 6(3): 278 [comb. et stat. nov.]

basionym: Helichrysum hookeri var. expansifolium Sieber ex P.Morris & J.H.Willis legitimate

Curtis, W.M. (1963), Angiospermae: Lythraceae to Epacridaceae. The Student's Flora of Tasmania 2: 337-338 [secondary reference]

nomenclatural synonym: Helichrysum hookeri var. expansifolium Sieber ex P.Morris & J.H.Willis legitimate

Anderberg, A.A. (1991), Taxonomy and Phylogeny of the Tribe Gnaphalieae (Asteraceae). Opera Botanica 104: 89 [nomenclatural synonym]

nomenclatural synonym of: Ozothamnus x expansifolius (P.Morris & J.H.Willis) Anderb. legitimate

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 16 [nomenclatural synonym]

nomenclatural synonym of: Ozothamnus x expansifolius (P.Morris & J.H.Willis) Anderb. legitimate

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