1. The phylogenetic significance of flavonoids inCrambe;Aguinagalde;Bot. J. Linn. Soc.,1984
2. The tribes of Cruciferae (Brassicaceae) in southern United States;Al-Shehbaz;J. Arnold Arbor.,1984
3. The genera of Anchonieae (Hesperidae) (Cruciferae; Brassicaceae) in the southeastern United States;Al-Shehbaz;J. Arnold Arbor.,1988
4. Crambe;Anderson;J. Anim. Sci.,1993
5. History of the Mediterranean ecosystem in California;Axelrod,1973