1. The genera of Lepidieae (Cruciferae; Brassicaceae) in the southeastern United States
2. Ball P. W. 1993 Lepidium. In: Flora Europea / ed. by T. G. Tutin et al. Sec. ed. 1 398–402 Cambridge.
3. Bush N. A. 1939 Lepidium. In: Flora of the U.S.S.R./ed. by V. L. Komarov; N. A. Bush 8 374–391 Moskva. (English translation 1970 Jerusalem).
4. Crawford D. J. 1990 Plant Molecular Systematics. New York.
5. Hedge I. C. 1976 A systematic and geographical survey of the Old World Cruciferae. In: The biology and chemistry of the Cruciferae/ed. by J. G. Vaughan; A. J. Macleod; M. B. Jones 1–35 London.