• Kingdom: Plantae
  • Phylum: Rhodophyta
  • Class: Florideophyceae
  • Order: Rhodymeniales
  • Family: Lomentariaceae
  • Scientific name: Lomentaria clavellosa
  • Norwegian: vanlig rosenrør


The color is usually brown or pink or any shades in between. The 1-3 mm thick main stipe may reach a length of 40 cm and has alternate side branches.


It us usually founds on depths ranging from 2 to 20 meters.


It is widespread in the North Atlantic Ocean, as well as the Mediterranean and the Black Sea.