Cystoseira osmundacea: The Beaded Brown Beauty
- Well illustrated research project by Amber Rais on this alga, its biology, ecology and taxonomy.
- http://www.mbari.org/staff/conn/botany/browns/Cystoseira/index.htm

Cystoseira tamariscifolia
- Several photographs and information on this species, commonly called Rainbow Wrack, its habitat, description and key identification features.
- http://www.marlin.ac.uk/species/Cystoseiratamariscifolia.htm

Cystoseira amentacea var. stricta
- image
- http://www.dipbot.unict.it/sistematica/Cystosei.html