Enteromorpha
- Research project by Ramón Bouchet Roullard providing comprehensive information on this green seaweed.
- http://www.mbari.org/staff/conn/botany/greens/Ram/index.htm

Ulva: The Sea Lettuce
- Research project on this genus of green algae providing illustrated information on its morphology, life history, ecology and uses in the kitchen.
- http://www.mbari.org/staff/conn/botany/greens/anna/default.htm

Blidingia minima
- Information on this green seaweed, its habitat, description and key identification features.
- http://www.marlin.ac.uk/species/Blidingiaminima.htm

Ulva intestinali
- Photograph and information on this species, commonly known as Gut Weed, including its description, general biology, taxonomy and reproduction.
- http://www.marlin.ac.uk/species/Ulvaintestinalis.htm

Ulva lactuca
- Photograph and information on the Sea Lettuce, its habitat, description and key identification features.
- http://www.marlin.ac.uk/species/Ulvalactuca.htm

Ulva compressa
- A number of photographs of this species and information on its taxonomy, uses and range.
- http://www.algaebase.org/search/species/detail/?species_id=12903