Acrochaetium
Acrochaetium virgatulum (Harvey) Batters, 1902?
- A Red seaweed
Ahnfeltia
Ahnfeltia plicata (Hudson) E.M.Fries, 1836
- Landlady's wig
Asparagopsis
Asparagopsis armata Harvey, 1855 - Harpoon weed
Boergeseniella
Boergeseniella fruticulosa (Wulfen) Kylin, 1956
- A Red seaweed
Bonnemaisonia
Bonnemaisonia hamifera Hariot, 1891 - Hooked weed
Calliblepharis
Calliblepharis jubata (Goodenough & Woodward) Kützing, 1843
- Lance shaped eyelash weed
Callithamnion
Callithamnion tetragonum (Withering) S.F.Gray, 1821?
- A Red seaweed
Callophyllis
Callophyllis laciniata (Hudson) Kützing, 1843
- Beautiful fan weed
Catenella
Catenella caespitosa (Withering) L.M.Irvine, 1976
- A Red seaweed
Ceramium
Ceramium virgatum Roth, 1797 - Hornweed
Ceramium species - A Red seaweed
Chrondus
Chondrus crispus Stackhouse, 1797
- Carragheen or Irish moss
Chylocladia
Chylocladia verticillata (Lightfoot) Bliding, 1928
- A Red seaweed
Colaconema
Colaconema caespitosum (J.Agardh) Jackelman, Stegenga & J.J.Bolton, 1991 - A Red seaweed
Compsothamnion
Compsothamnion gracillimum De Toni, 1903
- Most graceful elegant small bush weed ?
Corallina
Corallina officinalis Linnaeus, 1758
- Coral weed or Coralline
Cryptopleura
Cryptopleura ramosa (Hudson) L.Newton, 1931
- Branched hidden ribs
Dilsea
Dilsea carnosa (Schmidel) Kuntze, 1898
- Red rags or False dulse
Dumontia
Dumontia contorta (S.G.Gmelin) Ruprecht, 1850
- Dumont's tubular weed (syn. D. incrassata)
Furcellaria
Furcellaria lumbricalis (Hudson) J.V.Lamouroux, 1813
- Black carrageeen or Clawed fork weed
Gastroclonium
Gastroclonium ovatum (Hudson) Papenfuss, 1944
- Egg shaped juice branch weed
Gelidium
Gelidium pulchellum (Turner) Kützing, 1868
- A Red seaweed
Gelidium pusillum (Stackhouse) Le Jolis, 1863
- A Red seaweed
Gracilaria
Gracilaria gracilis (Stackhouse) M.Steentoft, L.M.Irvine & W.F.Farnham, 1995 - Slender wart weed
Grateloupia
Grateloupia filicina (J.V.Lamouroux) C.Agardh, 1822
- Grateloup's fern weed
Jania
Jania rubens (Linnaeus) J.V.Lamouroux, 1816
- Reddish coral weed
Lomentaria
Lomentaria articulata (Hudson) Lyngbye, 1819
- Jointed pod weed
Mastocarpus
Mastocarpus stellatus (Stackhouse) Guiry, 1984
- False irish moss or Agar weed
Nemalion
Nemalion helminthoides (Velley) Batters, 1902
- Threadweed or Sea noodles
Osmundea
Osmundea hybrida (A.P.de Candolle) K.W.Nam, 1994
- A Red seaweed
Osmundea pinnatifida (Hudson) Stackhouse, 1809
- Pepper dulse
Palmaria
Palmaria palmata (Linnaeus) Weber & Mohr, 1805
- Dulse, Dillisk or Crannach
Plocamium
Plocamium nanum G.W.Saunders & K.V.Lehmkuhl, 2005 ?
- Wiry cock's comb
Plumaria
Plumaria plumosa (Hudson) Kuntze, 1891
- A Red seaweed
Polyides
Polyides rotundus (Hudson) Gaillon, 1828
- Goat tang
Porphyra
Porphyra linearis Greville, 1830
- A Red seaweed
Porphyra umbilicalis Kützing, 1843
- Purple laver or Nori
Rhodochorton
Rhodochorton purpureum (Lightfoot) Rosenvinge, 1900
- A Red seaweed
Rhodochorton purpureum (Lightfoot) Rosenvinge, 1900 ?
- A Red seaweed (in sea cave)
Rhodothamniella
Rhodothamniella floridula (Dillwyn) Feldmann, 1978
- A Red seaweed
Rhodymenia
Rhodymenia pseudopalmata (J.V.Lamouroux)
P.C.Silva, 1952
- Rosy fan weed
Vertebrata
Vertebrata lanosa (Linnaeus) T.A.Christensen, 1967
syn. Polysiphonia lanosa - Many tubed gable weed
Also see -
Karenia mikimotoi - Red Tide Event in St. Austell Bay
Click on links above for more images.
Many thanks to Professor Michael Guiry for his help in identifying some of the seaweeds featured on this page.
Michael Guiry's Seaweed Website
European Names - Seaweed, Algae, Algen, Algen, Algues, Algas, Alghe.