Porphyra umbilicalis

Porphyra umbilicalis

Porphyra umbilicalis (L.) Ktz.
Engl.: laver seaweed, black butter, pink laver, purple laver, slake, sloke.
Deu.: Porphyrtang.
Sven.: veckad purpurtång.
Jap.: chishima-kuro-nori.

I have no articles for this botanical term, but there might be some for the next level down (if found).