''Porphyra haitanensis'' is a species of

red algae Red algae, or Rhodophyta (, ; ), are one of the oldest groups of eukaryotic algae. The Rhodophyta also comprises one of the largest phyla of algae, containing over 7,000 currently recognized species with taxonomic revisions ongoing. The majority ...

, (also called tan zicai in Chinese).FAO Fisheries and Aquaculture department, Life cycle of Porphyra, retrieved from http://www.fao.org/fishery/culturedspecies/Porphyra_spp/en

References

Bangiophyceae Edible seaweeds {{rhodophyta-stub