What is the version of the Pyropia columbina that is primarily used as a wrap of sushi?
Pyropia columbina:  It is closely related to Japanese Nori and Welsh laver. Nori: Nori (海苔 ) is the Japanese name for edible seaweed species of the red algae genus "Pyropia", including "P. yezoensis" and "P. tenera". Nori:  It is used chiefly as an ingredient (wrap) of sushi.
Nori