Black, J.M. (January 1948), Casuarinaceae-Euphorbiaceae. Flora of South Australia Edn. 2, 2: 267. Fig. 321 [nom. nov.]

replaced synonym: Hakea flexilis F.Muell. nom. illeg. nomenclatural synonym: Hakea ulicina var. flexilis C.Moore legitimate

Black, J.M. (1952), Flora of South Australia Edn. 2, 3: 529 [secondary reference]

Eichler, Hj. (1965), Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 96 [secondary reference]

taxonomic synonym: Hakea flexilis R.Br. legitimate taxonomic synonym: Hakea flexibilis Meisn. orth. var. taxonomic synonym: Hakea ulicina var. flexilis C.Moore legitimate

Barker, W.R. & Haegi, L. (15 July 1985), Taxonomy of the South Australian species allied to Hakea ulicina R.Br. (Proteaceae). Journal of the Adelaide Botanic Gardens 7(3): 266-269 [secondary reference]

nomenclatural synonym: Hakea flexilis F.Muell. nom. illeg. nomenclatural synonym: Hakea ulicina var. flexilis C.Moore legitimate

Wrigley, J.W. & Fagg, M. (1989), Banksias, Waratahs & Grevilleas and all other plants in the Australian Proteaceae family: 390 (fig., map) [secondary reference]

taxonomic synonym: Hakea flexilis F.Muell. nom. illeg. taxonomic synonym: Hakea ulicina var. flexilis C.Moore legitimate common name: flexile hakea [n/a] common name: desert hakea [n/a]

• Etymology: "Named in honour of Baron Ferdinand von Mueller (1825-96)"

Barker, R.M., Barker, W.R. & Haegi, L. in Walsh, N.G. & Entwisle, T.J. (ed.) (1996), Hakea. Flora of Victoria 3: 880 [taxonomic synonym]

taxonomic synonym of: Hakea mitchellii Meisn. legitimate

Barker, R.M., Haegi, L. & Barker, W.R. in Wilson, A.J.G. (ed.) (1999), Hakea. Flora of Australia 17B: 151 [taxonomic synonym]

taxonomic synonym of: Hakea mitchellii Meisn. legitimate

Council of Heads of Australasian Herbaria (2014), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Hakea mitchellii Meisn. legitimate

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