Trinius, C.B. von (1820), Fundamenta Agrostographiae: 109 [tax. nov.]

• Type: (not designated).

Trinius, C.B. von (1824), De Graminibus Unifloris et Sesquifloris: 175 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 132 [taxonomic synonym]

taxonomic synonym of: Stipa L. legitimate

Hitchcock, A.S. (20 March 1920), The genera of grasses of the United States: with special reference to the economic species. Bulletin, United States Department of Agriculture, Washington, D.C 772: 158 [secondary reference]

• Type: Urachne coerulescens (Desf.) Trin.

Brummitt, R.K. (1992), Vascular Plant Families and Genera: 444 [taxonomic synonym]

taxonomic synonym of: Oryzopsis Michx. legitimate

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