BioStor
 | The genera of Acanthaceae in the southeastern United States R W Long (1970) Journal of the Arnold Arboretum 51: 257-309 |
 | Carlowrightia sulcata (Acanthaceae), una especie de Sudamérica austral tratada previamente en Siphonoglossa C Ezcurra (1994) Novon 4: 221-223 |
 | Pollen morphology of Mexican Acanthaceae: diversity and systematic significance Thomas F Daniel (1998) Proceedings of the California Academy of Sciences 50: 217-256 |
 | Chromosome numbers of South African Acanthaceae Thomas F Daniel, Kevin Balkwill and Mandy-Jane Balkwill (2000) Proceedings of the California Academy of Sciences 52: 143-158 |