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Rama rupestris (Linnaeus) Boedeker, M.J.Wynne & Zuccarello

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Previously widely known as Cladophora rupestris (Linnaeus) Kützing

Description: Thallus dark green (sometimes bluish), stiff, entwined, to 200 mm in length, composed of profusely, irregularly branched filaments apparent to the unaided eye. Attached by a rhizoidal holdfast. Persists throughout the year.
Habitat: on rock and in pools from mid-tide downwards, often growing under Fucus vesiculosusor Ascophyllum nodosum but such plants are generally smaller and darker. Common and widespread.
Key characteristics: dark green colour species of Cladophora and Spongomorpha aeruginosa are more grass-green in colour), stiff filaments.

Species list

Cladophora rupestris
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