Trinius, C.B. von (1820), Fundamenta Agrostographiae: 135 [tax. nov.]

• Type: Sphenopus gouani Trin. (nom. illeg.)

Black, J.M. (1925), Additions to the Flora of South Australia, No. 23. Transactions and proceedings of the Royal Society of South Australia 49: 271 [secondary reference]

Black, J.M. (1943), Flora of South Australia Edn. 2, 1: 127 [secondary reference]

• Etymology: "From Greek sphen, wedge; pous, foot; alluding to the pedicels thickened under the spikelet"

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 813 [secondary reference]

Walsh, N.G., Weiller, C.M. & Thompson, I.R. in Wilson, A.J.G. (ed.) (2009), Poa. Flora of Australia 44A: 339 APC [secondary reference]

• APC Dist.: SA (naturalised)

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