Brown, R. (1830), Proteaceas Novas. Supplementum primum prodromi florae Novae Hollandiae: 14 [tax. nov.]

• Type: "Ora orient., mont. prope Port Jackson, 1822. D. Cunningham."

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 67 [secondary reference]

Kuntze, C.E.O. (5 November 1891), Revisio Generum Plantarum 2: 579 [basionym]

basionym of: Linkia angulata (R.Br.) Kuntze legitimate

Dixon, W.A. (1906), The Plants of New South Wales: 170 [secondary reference]

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 184 [secondary reference]

Wrigley, J.W. & Fagg, M. (1989), Banksias, Waratahs & Grevilleas and all other plants in the Australian Proteaceae family: 477 (map) [secondary reference]

• Etymology: "From Latin, angulatus, angled; application uncertain."
• Comment: Described here as "a natural hybrid between P. acerosa and either P. levis, or P. myrtilloides."

Weston, P.H. in McCarthy, P.M. (ed.) (1995), Proteaceae subfam. 1. Persoonioideae. Flora of Australia 16: 74 [secondary reference]

• Comment: Weston (1995) states ' Persoonia acerosa hybridises sporadically with P. levis and P. myrtilloides where they grow together. The type of P. angulata R.Br. [Suppl. Prodr. Fl. No.Holl. 14 1830. T:'Ora Orient., prope Port Jackson' [N.S.W.], 4 Oct. 1822, A.Cunningham 39; syn BM, K] is one of these hybrids most probably P. acerosa x P. levis.

Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - [misapplied]

misapplied to: Persoonia acerosa Sieber ex Schult. & Schult.f. x Persoonia levis (Cav.) Domin legitimate by Brown, R. (1830), Proteaceas Novas. Supplementum primum prodromi florae Novae Hollandiae: 14

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