Pyropia columbina

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Pyropia columbina
Scientific classification
Domain: Eukaryota
(unranked): Archaeplastida
Division: Rhodophyta
Class: Bangiophyceae
Order: Bangiales
Family: Bangiaceae
Genus: Pyropia
Species: P. columbina
Binomial name
Pyropia columbina
(Montagne) W.A.Nelson

Porphyra columbina Montagne

Pyropia columbina, Southern laver or karengo in the Māori language, is a type of edible seaweed traditionally harvested by South Island Māori. It is closely related to Japanese Nori and Welsh laver.

During World War 2 the Māori Battalion were supplied especially with karengo harvested in New Zealand which they chewed raw while on the march.[1] It is widely available only in health stores, and is sprinkled raw on top of food.

The type locality is the Auckland Islands, and the species authority is Montagne 1842. It is found around South America from Argentina, Chile and Peru, and around Australia and New Zealand including Macquarie Island. In the Chilean cuisine it is known as luche