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 [tax. nov.]

• Type: "In terra Van-Leuwin (Labill.), – King Georges Sound. (Hügel)."

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 [taxonomic synonym]

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

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

orthographic variant: Trymalium billardieri var. α dense-tomentosum Fenzl orth. var.

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

taxonomic 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 [nomenclatural synonym]

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

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