Carol's Cornwall
A Photographic  Library dedicated to
the Wildlife and Landscape of Cornwall

On the Beach (Seaweed)

Seaweed

Brown Seaweed
Channelled Wrack (Pelvetia canaliculata)

Bladder Wrack (Fucus vesiculosus)

Horned Wrack (Fucus ceranoides)

Spiral / Flat Wrack (Fucus spiralis)     colony

Toothed Wrack (Fucus serratus)     close-up

Knotted Wrack (Ascophyllum nodosum)     close-up

Rainbow wrack (Cystoseira tamariscifolia)     close-up     two colours     out of water

Sea Balls (Leathesia difformis)

Furbelows (Saccorhiza polyschides)

Oarweed (Laminaria digitata)

Sea Belt (Laminaria saccharina)

Sea Oak (Halidrys siliquosa)

Thongweed (Himanthalia elongata)     on foreshore

Wireweed / / Japweed (Sargassum muticum)

Red Seaweed
Carragheen (Chondrus crispus)

Coral Weed (Corallina officinalis)     in pool     as strandline find

Jointed Pod Weed (Lomentaria articulata)     close-up

Little Forked Worm Weed (Furcellaria lumbricalis) ?

Many-tubed Gable Weed (Polysiphonia lanosa)     close-up

Pepper Dulse (Osmundea pinnatifida)     close-up

Red Rags / False Dulse (Dilsea carnosa)

Red Sea Oak (Phycodrys rubens)     close-up

Red Seaweed (Dumontia contorta)     close-up

Red Seaweed (Jania rubens)     in pool

Encrusting Coralline Red Algae
Pink Plate Weed (
Mesophyllum lichenoides)

Maerl (Phymatolithon / Lithothamnion sp.) - found on strandline

Pink Paint (Lithothamnion sp.)

Green Seaweed
Gut weed (Ulva intestinalis)

Rock Cladophora (Cladophora rupestris)     out of water

Sea Lettuce (Ulva lactuca)

A Sea Lettuce (Ulva linza)

Velvet Horn (Codium tomentosum)

Eel-grass
Eeel-grass is not green seaweed, but a true plant. Often found washed up after storms, it can be found growing on "the" lowest tides at places  such as Hannafore Point, near Looe and Marazion.
Zostera marina -  Common Eel-grass     Eelgrass Bed     submerged     plants

Seaweed to Identify
Red Seaweed on Limpet - West Portholland 14.04.09

Red Seaweed parasitic on Coral Weed - Spit Point 12.04.09


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