Diels, F.L.E. & Pritzel, E.G. (6 December 1904), Fragmenta Phytographiae Australiae occidentalis. Beitrage zur Kenntnis der Pflanzen Westaustraliens, ihrer Verbreitung und ihrer Lebensverhaltnisse. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 35(2-3): 353-354, Fig. 44 H, J. [comb. nov.]

basionym: Trymalium billardierei var. urceolare F.Muell. legitimate

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 111 [secondary reference]

Hopper, S.D., van Leeuwen, S.J., Brown, A.P. & Patrick, S.J. (1990), Western Australia's Endangered Flora: 94, 96, 121, , 133, Fig. 14 [secondary reference]

common name: Urn-fruited Trymalium [n/a]

Rye, B.L. (11 January 1995), New and priority taxa in the genera Spyridium and Trymalium (Rhamnaceae) of Western Australia. Nuytsia 10(1): 137, Fig. 6 [secondary reference]

• Type: near Toodyay, Western Australia, August 1901, L. Diels 3974 (n.v.); [Western Australia], J. Drummond s.n. (MEL 56158).

nomenclatural synonym: Trymalium billardierei var. urceolare F.Muell. legitimate

Rye, B.L. (31 July 1996), A synopsis of the genera Pomaderris, Siegfriedia, Spyridium and Trymalium (Rhamnaceae) in Western Australia. Nuytsia 11(1): 130, Fig. 8C (map) [secondary reference]

nomenclatural synonym: Trymalium billardierei var. urceolare F.Muell. 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 APC [secondary reference]

nomenclatural synonym: Trymalium billardieri var. urceolare F.Muell. orth. var. nomenclatural synonym: Trymalium billardierei var. urceolare F.Muell. legitimate

• APC Dist.: WA

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