BioStor
 | The tribes of Cruciferae (Brassicaceae) in the southeastern United States Ihsan Al-Shehbaz (1984) Journal of the Arnold Arboretum 65: 343-373 |
 | The genera of Lepidieae (Cruciferae; Brassicaceae) in the southeastern United States Ihsan Al-Shehbaz (1986) Journal of the Arnold Arboretum 67: 265-311 |
 | Generic placement of species excluded from Arabidopsis (Brassicaceae) Ihsan Al-Shehbaz (1999) Novon 9: 296-307 |