Leathesia marina, the sea cauliflower, is a species of littoral brown algae. It is found in the littoral zone, through to the shallow sublittoral, around the Atlantic ocean and south Africa.
Guiry, Michael D. (2015). Leathesia difformis Areschoug, 1847. In: Guiry, M.D. & Guiry, G.M. (2016). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=144953 on 2016-06-29