Lindley, J. in Lindley, J. (ed.) (1838), Miscellaneous Notices. Edwards's Botanical Register 24: 26 [tax. nov.]

• Type: "... introduced from Swan River by R. Mangles, Esq."

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): 21 APC [secondary reference]

• APC Dist.: WA

Kellermann, J. (20 July 2021), Nomenclature and typification of several pre-1958 names in Trymalium revisited (Rhamnaceae: Pomaderreae). Swainsona 35: 34 [secondary reference]

• Lectotype: "Sheet with no indication of location, date or collector at CGE (ex Herb. Lindley), illustrated in Kellermann, Rye & K.R.Thiele, Trans. Roy. Soc. S. Austral. 132: 21, Fig. 1 (2008). Possible syntype: “specimen in Anglia cultum” (MEL56077!)."

taxonomic synonym: Trymalium billardieri var. β tomentoso-hirsuta Fenzl orth. var. taxonomic synonym: Trymalium billardierei var. β tomentoso-hirsutum Fenzl legitimate taxonomic synonym: Trymalium expansum Steud. legitimate taxonomic synonym: Trymalium floribundum Steud. legitimate taxonomic synonym: Trymalium billardieri var. α tomentosa Reissek orth. var. taxonomic synonym: Trymalium billardierei var. α tomentosum Reissek legitimate taxonomic synonym: Trymalium billardieri var. β calvescens Reissek orth. var. taxonomic synonym: Trymalium ledifolium var. ? obovatum Benth. legitimate taxonomic synonym: Trymalium billardieri var. hirsutum Benth. orth. var. taxonomic synonym: Trymalium billardierei var. hirsutum Benth. nom. illeg., nom. superfl. taxonomic synonym: Spyridium spadiceum var. calvescens Benth. nom. illeg., nom. superfl. taxonomic synonym: Trymalium spathulatum var. tomentosum Ostenf. orth. var. taxonomic synonym: Trymalium spatulatum var. tomentosum (Reissek) Ostenf. legitimate taxonomic synonym: Trymalium billardierei var. β calvescens Reissek nom. illeg., nom. superfl.

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