Glossary of "Algae (1st ed.)" by Graham & Wilcox (2000)
- A sulfated polygalactan extracted from walls of various red algae that is used as a gelling agent.
Glossary of "Plant Biology (1st ed.)" by Graham et al. (2003)
- Water-binding polysaccharides derived from red seaweeds that are useful in increasing the viscosity of food products and in preparing nutritive media for laboratory cultivation of microbes.
- Graham, L. E. & Wilcox, L. W. 2000. Algae. -xvi + 640 pp. Prentice-Hall, Inc., Upper ASaddle River.
- Graham, L. E., Graham, J. M. & Wilcox, L. W. 2003. Plant Biology. -xxxv + 497 pp. Pearson Education, Inc., Upper Saddle River.