Lamarck, J.-B.P.A. de M. de in Lamarck, J.-B.P.A. de M. de & Poiret, J.L.M. (1786), Encyclopédie Méthodique, Botanique 2(1): 200 [tax. nov.]

Milne-Redhead, E.W.B.H. (1961), Miscellaneous notes on African species of Crotalaria L.: I. Kew Bulletin 15(1): 159 [basionym]

basionym of: Crotalaria incana subsp. purpurascens (Lam.) Milne-Redh. legitimate

Lee, A.T. & Thompson, J. (1984), Fabaceae. Flora of New South Wales, National Herbarium of New South Wales 101(2): 145 [nomenclatural synonym]

nomenclatural synonym of: Crotalaria incana subsp. purpurascens (Lam.) Milne-Redh. legitimate

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1984), Fabaceae. Flora of South-eastern Queensland 1: 276 [nomenclatural synonym]

nomenclatural synonym of: Crotalaria incana subsp. purpurascens (Lam.) Milne-Redh. legitimate

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