Rafflesiaceae
- Description of Rafflesiaceae, in which Cytinaceae is now often included.
- http://delta-intkey.com/angio/www/rafflesi.htm

Parasitic Plants - Cytinaceae
- Description of the Cytinaceae family, distribution map, and a list of parasitic species in the genera Bdallophyton and Cytinus with photographs.
- http://www.parasiticplants.siu.edu/Cytinaceae/