Maslin, B.R. (27 March 1975), Studies in the genus Acacia (Mimosaceae) - 4 A Revision of Series Pulchellae. Nuytsia 1(5): 459-460, Fig. 25, Map 9 [tax. nov.]

• Type: "4 km E of Katanning towards Nyabing, Western Australia, 28 Sept. 1970, B.R. Maslin 771 (holo: PERTH; iso: B, CANB, K, MEL, NSW, NY)."

• Etymology: "The varietal epithet refers to the thickened midrib on the lower surface of the pinnules."

Maslin, B.R. (21 December 1979), Studies in the genus Acacia (Mimosaceae) - 9 Additional notes on the Series Pulchellae Benth. Nuytsia 2(6): 366 [secondary reference]

Maslin, B.R. in Orchard, A.E. & Wilson, A.J.G. (ed.) (2001), Flora of Australia 11B: 434, Fig. 94P-S, Map 581 [secondary reference]

Maslin, B.R. (9 July 2001), Wattle - Acacias of Australia: - [secondary reference]

Pedley, L. (3 December 2003), A synopsis of Racosperma C.Mart. (Leguminosae: Mimosoideae). Austrobaileya 6(3): 492 [basionym]

basionym of: Racosperma varium var. crassinerve (Maslin) Pedley legitimate

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Racosperma varium var. crassinerve (Maslin) Pedley legitimate

• APC Dist.: WA

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