Acanthus volubilis (Jeruju)
- Brief facts on distribution, physical traits, and habitat. Images provided.
- http://mangrove.nus.edu.sg/guidebooks/text/1047.htm

Acanthus ilicifolius (Jeruju Putih)
- Distribution, physical characteristics, and habitat of this species. Includes images of entire plant, flower, and fruit.
- http://mangrove.nus.edu.sg/guidebooks/text/1046.htm

Acanthus ebracteatus (Jeruju Hitam)
- Describes physical features and habitat. Provides photos.
- http://mangrove.nus.edu.sg/guidebooks/text/1045.htm

Acanthus mollis
- Images of this species.
- http://www.dipbot.unict.it/orto/0359-1.html