BioStor
 | XXIII.—A List of Flowering Plants found growing wild in Western Norfolk George Munfordm (1841) Annals And Magazine of Natural History 8: 171-191 |
 | On the Penaeidae C S Bate (1881) Annals and Magazine of Natural History 8: 169-196 |
 | The genera of Arabideae (Cruciferae; Brassicaceae) in the southeastern United States Ihsan Al-Shehbaz (1988) Journal of the Arnold Arboretum 69: 85-166 |