Labillardière, J.J.H. de (1805), Novae Hollandiae Plantarum Specimen 1(8): 60, t. 84 [tax. nov.]

• Type: "in terrâ Van-Leuwin."

Dryander, J.C. in Koenig, K.D.E. & Sims, J. (ed.) (1 September 1806), Chloris Novae Hollandiae; or, Catalogue of the Plants of New Holland and Van Dieman's Island hitherto published, as far as they have come to the knowledge of J. Dryander. Annals of Botany 2(3): 516 [secondary reference]

Don, G. in Loudon, J.C. (1830), Loudon's Hortus Britannicus Edn. 1: 84 [basionym]

basionym of: Pomaderris spatulata (Labill.) G.Don legitimate

Sweet, R. (1830), Sweet's Hortus Britannicus Edn. 2: 113 [basionym]

basionym of: Pomaderris spatulata (Labill.) Brongn. ex Sweet isonym

Fenzl, E. in Endlicher, S.F.L., Fenzl, E., Bentham, G. & Schott, H.W. (April 1837), Rhamneae. Enumeratio plantarum quas in Novae Hollandiae ora austro-occidentali ad fluvium Cygnorum et in Sinu Regis Georgii collegit Carolus liber baro de Hügel: 25 [replaced synonym]

replaced synonym of: Trymalium billardierei Fenzl nom. illeg., nom. superfl.

Don, G. (ed.) in Sweet, R. (1839), Sweet's Hortus Britannicus Edn. 3: 137 [basionym]

basionym of: Trymalium spatulatum (Labill.) G.Don legitimate

Bentham, G. (30 May 1863), Flora Australiensis 1: 425 [nomenclatural synonym]

nomenclatural synonym of: Trymalium billardierei Fenzl nom. illeg., nom. superfl.

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): 85 [basionym]

basionym of: Trymalium spatulatum (Labill.) Ostenf. isonym

Rye, B.L. (31 July 1996), A synopsis of the genera Pomaderris, Siegfriedia, Spyridium and Trymalium (Rhamnaceae) in Western Australia. Nuytsia 11(1): 130 [nomenclatural synonym]

nomenclatural synonym of: Trymalium spatulatum (Labill.) G.Don legitimate

Kellermann, J., Rye, B.L. & Thiele, K.R. (2008), Nomenclatural notes, typifications and name changes in Trymalium (Rhamnaceae: Pomaderreae). Transactions of the Royal Society of South Australia 132(1): 24 [nomenclatural synonym]

nomenclatural synonym of: Trymalium spatulatum (Labill.) G.Don legitimate

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

orthographic variant: Ceanothus spatulata Labill. orth. var. orthographic variant: Ceanothus spathulatus Benth. orth. var.

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

nomenclatural synonym of: Trymalium spatulatum (Labill.) G.Don legitimate

Kellermann, J. (7 April 2021), The importance of the ‘h’ – Parahomonymy in Trymalium (Rhamnaceae: Pomaderreae). Swainsona 35: 26 [secondary reference]

• Lectotype: "(here designated): Nova Hollandia et Terra van Diemen, J.H.H. de Labiardière s.n. (FI006702, ex. Herb. Labill., photo seen; Fototeca no. 835; old Herb. Webbianum accession no. 035602; with Labillardière’s original manuscript description). Isolectotypes: Nova Hollandia, J.H.H. de Labiardière s.n. (B-W04713-000, ex. Herb. Willd., determined by Reissek, photo seen; FI006703, ex. Herb. Desf., Fototeca no. 835/A, old accession no. 035603, photo seen; G-DC; P06883568, ex Herb. Webbianum, photo seen; P06883569, ex Herb. Drake, photo seen; TCD0013850, donated by Bory in 1844, photo seen)."

Kellermann, J. (7 April 2021), The importance of the ‘h’ – Parahomonymy in Trymalium (Rhamnaceae: Pomaderreae). Swainsona 35: 26 [nomenclatural synonym]

nomenclatural synonym of: Trymalium spatulatum (Labill.) G.Don legitimate

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