Bentham, G. (1826), Catalogue des Plantes Indigenes Pyrenees et du Bas Languedoc: 95 [comb. nov.]

• APC Dist.: Tas (naturalised)

• Comment: Authorship sometimes attributed to "(Cav. ex DC.) Benth." However, G.Bentham, Cat. pl. Pyrenees 95 (1826), referred to "Thlaspi heterophyllum DC.?", the query sign indicating uncertainty as to whether L. heterophyllum and de Candolle's T. heterophyllum were the same taxon. Accordingly, L. heterophyllum is here considered a sp. nov. published by Bentham (K. Ghandi, pers. comm. 2007).

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 26 [secondary reference]

Council of Heads of Australasian Herbaria (31 July 2018), Australian Plant Census: - APC [secondary reference]

taxonomic synonym: Lepidium smithii Hook. legitimate

• APC Comment: A European taxon, recorded by M.F.de Salas & M.L.Baker, Census Vasc. Pl. Tasmania 25 (2016), but not considered to be established in Australia (M.de Salas, pers. comm. 2018).

Baker, M.L., Wapstra, M. & Lawrence, D. (20 August 2019), An annotated census of the lesser-known naturalised plants of Tasmania. Muelleria 38: 35 [secondary reference]

common name: downy peppercress [n/a]

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