Egyptian Papyrus
- Information on how the world's first paper was developed, how papyrus paper was used, and the types of papyrus available today.
- http://www.egyptian-papyrus.co.uk/

Cyperus helferi
- Horticultural information on this Southeast Asian species, widely used in aquaria.
- http://www.tropica.com/productcard.asp?id=133A

Cyperus articulatus
- short description and medicinal uses
- http://www.botanical.com/botanical/mgmh/a/adrue011.html

Cyperus alternifolius
-
- http://florawww.eeb.uconn.edu/acc_num/198500152.html

Cyperus papyrus
- images
- http://www.dipbot.unict.it/orto/0021-1.html

Cyperus brevifolius
-
- http://florawww.eeb.uconn.edu/acc_num/198800155.html