Laurencia

Laurencia is a genus of red algae that grow in temperate and tropical shore areas, in littoral to sublittoral habitats, at depths up to .
Description.
"Laurencia" species have a thallus that is erect or decumbent with distichous, whorled or radial branch arrangement.
Species.
AlgaeBase, a database with detailed information on species of "Laurencia", includes 145 taxonomically accepted species , and differentiates these from a further ~375 entries of uncertain taxonomic status; it further delineates homotypic or heterotypic synonyms.
Commonly observed species of "Laurencia" include the shallow subtidal "Laurencia nidifica" (Hawaii), "Laurencia pacifica" (California), and "Laurencia thyrsifera" (New Zealand). Species seen in the British Isles include "Laurencia hybrida", "Laurencia obtusa", "Laurencia osmunda", "Laurencia pinnatifida", "Laurencia pyramidalis", and "Laurencia truncata".
The World Register of Marine Species lists the following species as accepted:
Uses.
"Laurencia nidifica" is used as a condiment in Hawaii due to its peppery taste.