Ascherson, P.F.A. (1860), Flora der Provinz Brandenburg 1: 36 [comb. nov.]

basionym: Erysimum vernum Mill. legitimate

Black, J.M. (January 1948), Casuarinaceae-Euphorbiaceae. Flora of South Australia Edn. 2, 2: 373, Fig. 533 [secondary reference]

taxonomic synonym: Barbarea praecox (Sm.) W.T.Aiton legitimate common name: Early Winter Cress [n/a]

Curtis, W.M. (1956), The Student's Flora of Tasmania 1: 33 [secondary reference]

common name: Early Wintercress [n/a]

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 140 [secondary reference]

common name: Early Wintercress [n/a]

Eichler, Hj. (1965), Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 156 [secondary reference]

taxonomic synonym: Barbarea vulgaris W.T.Aiton legitimate taxonomic synonym: Barbarea praecox (Sm.) W.T.Aiton legitimate

Curtis, W.M. & Morris, D.I. (1975), Angiospermae: Ranunculaceae to Myrtaceae. The Student's Flora of Tasmania Edn. 2, 1: 48 [secondary reference]

common name: Early Wintercress [n/a]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 91 [secondary reference]

taxonomic synonym: Barbarea praecox (Sm.) W.T.Aiton legitimate

Hewson, H.J. in George, A.S. (ed.) (1982), Brassicaceae. Flora of Australia 8: 319, map 372 APC [secondary reference]

nomenclatural synonym: Erysimum vernum Mill. legitimate taxonomic synonym: Erysimum praecox Sm. legitimate taxonomic synonym: Barbarea praecox (Sm.) W.T.Aiton legitimate

• APC Dist.: SA (naturalised), NSW (naturalised), ACT (naturalised), Vic (naturalised), Tas (naturalised)

Entwisle, T.J. in Walsh, N.G. & Entwisle, T.J. (ed.) (1996), Brassicaceae. Flora of Victoria 3: 443, Fig. 90d-e [secondary reference]

nomenclatural synonym: Erysimum vernum Mill. legitimate common name: Early Wintercress [n/a]

Harden, G.J. & Murray, L.J. in Harden, G.J. & Murray, L.J. (ed.) (2000), Flora of New South Wales Supplement 1: 71 [secondary reference]

Retter, L. & Harden, G.J. in Harden, G.J. (ed.) (2000), Brassicaceae. Flora of New South Wales Revised Edition 1: 478 [secondary reference]

common name: Wintercress [n/a]

de Salas, M.F. & Baker, M.L. (2016), A Census of the Vascular Plants of Tasmania, including Macquarie Island: 25 [secondary reference]

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