Rye, B.L. (11 January 1995), New and priority taxa in the genera Spyridium and Trymalium (Rhamnaceae) of Western Australia. Nuytsia 10(1): 128-130, Fig. 2O-S APC [tax. nov.]

• Type: Mitchell River, Western Australia, 18 August 1993, B.G. Hammersley 921 (holo: PERTH 03908542; iso: CANB, MEL).

• APC Dist.: WA

• Etymology: "From the Latin ripa - the bank of a stream, referring to the habitat of the species."

Rye, B.L. (31 July 1996), A synopsis of the genera Pomaderris, Siegfriedia, Spyridium and Trymalium (Rhamnaceae) in Western Australia. Nuytsia 11(1): 124, Fig. 6D (map) [secondary reference]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Dicotyledons. Flora of the South West 2: 856 [secondary reference]

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