Carrageenans
- Information on these substances extracted from Carrageen, Chondrus crispus, and used in processing food.
- http://www.seaweed.ie/uses_general/carrageenans.lasso

Mazzaella flaccida
- Research project by Elizabeth Nelson on this iridescent species in which she investigates how stress and wave drag affect it.
- http://www.mbari.org/staff/conn/botany/reds/iridaea/index.htm

Chondracanthus exasperatus
- Research project by Devon Lake provides much information on this species, also known as Turkish Towel, with several photographs.
- http://www.mbari.org/staff/conn/botany/reds/devon/home.htm

Chondrus crispus
- Several photographs of this species and information on its taxonomy, uses and range.
- http://www.algaebase.org/search/species/detail/?species_id=19519

Irish moss
- Photographs and information from Wikipedia on this seaweed, Chondrus crispus, its life cycle and uses.
- http://en.wikipedia.org/wiki/Chondrus_crispus

Carrageen: Chondrus crispus
- Description of this red seaweed, with a photograph.
- http://www.marlin.ac.uk/species/Chondruscrispus.htm