| Reference no. | Description | year | Name used | Page |
|---|---|---|---|---|
| 90162 | Etcheverry, D.H. 1960 Algas marinas de las islas oceànicas chilenas. Rev. Biol. Mar. 10:83-132, 6 pls. | 1960 | Porphyra umbilicalis | 108 |
| 90729 | Munda, I. 1972 On the chemical composition, distribution and ecology of some benthic marine algae from Iceland. Botanica Marina 15:1-45. | 1972 | Porphyra umbilicalis | --> |
| 126563 | Abbott, I.A. 1989 Food and food products from seaweeds. In Lembi, C.A., Waaland, J.R. (eds.), Algae and Human Affairs, Cambridge University Press, Phycological Society of America, pp. 135-147. | 1989 | Porphyra umbilicalis | 141 |
| 108725 | Gibson, R., B. Hextall and A. Rogers 2001 Photographic Guide to the Sea and Shore Life of Britain and Northwest Europe. Oxford University Press Inc., New York. | 2001 | Porphyra umbilicalis | 60 |
| 3477 | MarineSpecies.org 2050 MarineSpecies.org. http://www.marinespecies.org/index.php | 2050 | Porphyra umbilicalis | --> |