The following species in the flowering plant genus Lepidium are accepted by Plants of the World Online. Speciation in this genus is marked by allopolyploidization. * Turcz. * Howell * Heenan & de Lange * Boiss. * Ledeb. * (Rech.f. & Köie) Al-Shehbaz & Mumm. * Lepidium africanum (Burm.f.) DC. * H.L.Yang * Maire * Rech.f. * A.Gray * Lepschi * de Lange & Heenan * Willd. * Jonsell * Phil. * Willd. * Al-Shehbaz * (Lipsky) Al-Shehbaz & Mumm. * Lepidium arbuscula Hillebr. * Al-Shehbaz * Thell. * Fisch. & C.A.Mey. * Thell. * Boiss. * Regel & Körn. * Small * Lepidium banksii Kirk * Lepidium barnebyanum Reveal * Marais * Rollins * Al-Shehbaz * Montin * Desv. * Thunb. * Hewson * Prina * Al-Shehbaz * L. * Al-Shehbaz * (R.M.V