For Raphanus
Al-Shehbaz, I.A. 1985b. The genera of Brassiceae (Cruciferae; Brassicaceae) in the southeastern United States. J. Arnold Arb. 66: 279-351.
Rollins, R.C. 1993. The Cruciferae of continental North America: systematics of the mustard family from the Arctic to Panama. Stanford Univ. Press, Stanford, CA. 976 pp.
Stace, C. 2010. New flora of the British Isles, third edition. Cambridge Univ. Press, Cambridge. 1232 pp.
Warwick, S.I. 2010e. Raphanus. In Flora of North America Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7, Magnoliophyta: Brassicaceae to Salicaceae. Oxford Univ. Press, New York, NY. 797 pp.
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