Pictre of

Knotted wrack -
Ascophyllum nodosum

Scientific names: Ascophyllum is composed of two greek words: askos, which is a waterbottle made of leather, and phyllon, meaning leaf. Nodosum, of latin origin (nodosus), means ”to be covered in lumps or knots”.

Other english names: Sea whistle, yellow tang and Norwegian kelp.

Knotted wrack     Other names

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Bo Johannesson | Martin Larsvik | Lars-Ove Loo | Helena Samuelsson