Species Gallery (Florideophyceae)
The links below will open a large version of the image in an overlay
![](/assets/images/marlin/species/web/o_ahnpli.jpg)
Bushy specimen of Ahnfeltia plicata in shallow sandy lower shore pool.
Copyright: Francis Bunker
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Lower shore sandy pool with Ahnfeltia plicata.
Copyright: Francis Bunker
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Laboratory specimen of Anotrichium barbatum.
Copyright: Culture Collection of Algae and Protozoa
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Asparagopsis armata at Wembury Point.
Copyright: Fiona Crouch
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Asparagopsis armata at English Island Point.
Copyright: Dr Keith Hiscock
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Asparagopsis armata at Wembury Point.
Copyright: Fiona Crouch
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Beautiful eyelash weed Calliblepharis ciliata on silted bedrock.
Copyright: Francis Bunker
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Specimen of Calliblepharis ciliata in dish.
Copyright: Francis Bunker
![](/assets/images/marlin/species/web/o_KHiscock_Calliblepharis_jubata_Bovisand_2021-10-28.jpg)
Calliblepharis jubata
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_KHiscock_Calliblepharis_jubata2_LundySouthRat_2021-10-28.jpg)
Calliblepharis jubata in rockpool
Copyright: Dr Keith Hiscock
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Catenella caespitosa.
Copyright: Dr Keith Hiscock
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A specimen of Ceramium virgatum with a branch of Corallina to the right.
Copyright: Marine Biological Association of the UK (MBA)
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Chondria coerulescens.
Copyright: Alan Thurbon
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Chondria coerulescens.
Copyright: Alan Thurbon
![](/assets/images/marlin/species/web/o_chocri.jpg)
The seaweed Chondrus crispus.
Copyright: MarClim
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Chondrus crispus
Copyright: Dr Keith Hiscock
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Chondrus crispus being covered in fine particulate matter.
Copyright: Judith Oakley
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Chondrus crispus in shallow murky water.
Copyright: Judith Oakley
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Corallina officinalis in a rockpool.
Copyright: Judith Oakley
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Corallina officinalis fronds in rockpool.
Copyright: Dr Keith Hiscock
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Corallina officinalis out of the water.
Copyright: Judith Oakley
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Close up view of Corallina officinalis in murky water.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_coroff2.jpg)
Compact Corallina officinalis in rock cleft.
Copyright: Dr Keith Hiscock
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Pale Corallina officinalis specimen.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_ibarbara20080513.jpg)
Cruoria cruoriiformis encrusting maerl.
Copyright: Ignacio Barbara
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Cruoria cruoriiformis encrusting maerl (darker patches on right side of photo).
Copyright: Ignacio Barbara
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Single-layer of radially-arranged thallus cells under light microscope.
Copyright: Ignacio Barbara
![](/assets/images/marlin/species/web/o_cryram.jpg)
A rock shelf dominated by Cryptopleura ramosa with Laminaria sp. at 20 m depth.
Copyright: Scottish Natural Heritage (SNH)
![](/assets/images/marlin/species/web/o_firestone_cryram.jpg)
Cryptopleura ramosa and horse shoe worms on shallow boulders.
Copyright: Dr Keith Hiscock
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Specimen of Cryptopleura ramosa.
Copyright: Marine Biological Association of the UK (MBA)
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Delesseria sanguinea fronds.
Copyright: Dr Keith Hiscock
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Delesseria sanguinea individual amongst epifauna/flora.
Copyright: Dr Keith Hiscock
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Fresh growth of Delesseria sanguinea in Spring.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_dilcar.jpg)
Dilsea carnosa with snakelocks anemones in background.
Copyright: Dr Keith Hiscock
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Dilsea carnosa.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_draspe.jpg)
Drachiella spectabilis.
Copyright: Scottish Natural Heritage (SNH)
![](/assets/images/marlin/species/web/o_draspe2.jpg)
Drachiella spectabilis showing iridescence.
Copyright: Dr Keith Hiscock
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Drachiella spectabilis.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_furlum.jpg)
The seaweed Furcellaria lumbricalis, plant with fertile branches.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_furlum2.jpg)
Shiny Furcellaria lumbricalis specimen.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_KHiscock_Gracilaria_multipartita_WestHoe_2021-11-03.jpg)
The cleaved wart weed Gracilaria multipartita
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_KHiscock_Heterosiphonia_plumosa4_Bovisand_2021-11-03.jpg)
The siphoned feather weed Heterosiphonia plumosa in situ
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_KHiscock_Heterosiphonia_plumosa3_Bovisand_2021-11-03.jpg)
Laboratory specimen of Heterosiphonia plumosa
Copyright: Dr Keith Hiscock
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Lithophyllum incrustans.
Copyright: Francis Bunker
![](/assets/images/marlin/species/web/o_litcor.jpg)
Lithothamnion corallioides. Collected from c. 10m depth.
Copyright: Prof. Christine Maggs
![](/assets/images/marlin/species/web/o_litgla.jpg)
Lithothamnion glaciale nodules amongst pebbles with the sunstar Crossaster papposus, Isle of Lewis.
Copyright: Joint Nature Conservation Committee (JNCC)
![](/assets/images/marlin/species/web/o_litgla3.jpg)
Boulders with Psammechinus miliaris and encrusting Lithothamnion glaciale.
Copyright: Joint Nature Conservation Committee (JNCC)
![](/assets/images/marlin/species/web/o_litgla2.jpg)
Boulders with encrusting, branched Lithothamnion glaciale.
Copyright: Joint Nature Conservation Committee (JNCC)
![](/assets/images/marlin/species/web/o_lomart.jpg)
Lomentaria articulata.
Copyright: Dr Harvey Tyler-Walters
![](/assets/images/marlin/species/web/o_lomart3.jpg)
Lomentaria articulata on an exposed rock.
Copyright: Judith Oakley
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Lomentaria articulata subjected to camera flash.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_lomart4.jpg)
Small patch of Lomentaria articulata hanging down from an intertidal rock.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_masste.jpg)
The seaweed Mastocarpus stellatus.
Copyright: Marine Biological Association of the UK (MBA)
![](/assets/images/marlin/species/web/o_masste4.jpg)
Mastocarpus stellatus hanging, exposed at low tide.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_masste2.jpg)
Mastocarpus stellatus.
Copyright: Dr Harvey Tyler-Walters
![](/assets/images/marlin/species/web/o_MP-Mesophyllum-lichenides-2018-08-18-4.jpg)
Mesophyllum lichenoides found in a shallow rockpool at Kingsand
Copyright: Michael Puleston
![](/assets/images/marlin/species/web/o_MP-Mesophyllum-lichenides-2018-08-18-5.jpg)
Mesophyllum lichenoides
Copyright: Michael Puleston
![](/assets/images/marlin/species/web/o_MP-Mesophyllum-lichenides-2018-08-18-6.jpg)
Mesophyllum lichenoides appearing to be forming over limpets in a rockpool at Kingsand
Copyright: Michael Puleston
![](/assets/images/marlin/species/web/o_MP-Mesophyllum-lichenides-2018-08-18-3.jpg)
Mesophyllum lichenoides taken on Mt. Batten, Plymouth
Copyright: Michael Puleston
![](/assets/images/marlin/species/web/o_meslic.jpg)
Mesophyllum lichenoides with hydroids.
Copyright: Fiona Crouch
![](/assets/images/marlin/species/web/o_MP-Mesophyllum-lichenides-2018-08-18-1.jpg)
Close up of Mesophyllum lichenoides
Copyright: Michael Puleston
![](/assets/images/marlin/species/web/o_meslic2.jpg)
The red seaeed Mesophyllum lichenoides.
Copyright: Fiona Crouch
![](/assets/images/marlin/species/web/o_callac.jpg)
Metacallophyllis laciniata on shallow cobbles.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_pnewland20090602_3.jpg)
Stand of Metacallophyllis laciniata in shallow water at Outer Hope, Devon.
Copyright: Paul Newland
![](/assets/images/marlin/species/web/o_ododen.jpg)
Odonthalia dentata photographed in the Isle of Man.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_osmpin2.jpg)
Fronds of pepper dulse, Osmundea pinnatifida.
Copyright: Dr Harvey Tyler-Walters
![](/assets/images/marlin/species/web/o_osmpin3.jpg)
The seaweed Osmundea pinnatifida.
Copyright: Marine Biological Association of the UK (MBA)
![](/assets/images/marlin/species/web/o_palpal.jpg)
Palmaria palmata fronds on lower eulittoral rock.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_palpal5.jpg)
Palmaria palmata hanging from an intertidal rock.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_palpal4.jpg)
Palmaria palmata in between rockpools.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_palpal3.jpg)
Palmaria palmata near an intertidal rockpool.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_palpal2.jpg)
Palmaria palmata.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_phyrub.jpg)
Phycodrys rubens on a kelp stipe at 10 m depth.
Copyright: Scottish Natural Heritage (SNH)
![](/assets/images/marlin/species/web/o_phycri.jpg)
Specimen of Phyllophora crispa.
Copyright: Marine Biological Association of the UK (MBA)
![](/assets/images/marlin/species/web/o_phycal.jpg)
Phymatolithon calcareum forming a maerl bed. Loch Carron, West Scotland.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_phycal4.jpg)
Phymatolithon calcareum maerl bed from Loch Carron, Highland.
Copyright: Sue Scott
![](/assets/images/marlin/species/web/o_dmayes20100823_5.jpg)
Washed up maerl, Phymatolithon calcareum
Copyright: Derek Mayes
![](/assets/images/marlin/species/web/o_phycal2.jpg)
Phymatolithon calcareum forming a maerl bed.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_phycal3.jpg)
Phymatolithon calcareum with one Lithothamnion corallioides thallus (left, arrowed). Collected from c. 5m depth at Carraroe, Co. Clare.
Copyright: Prof. Christine Maggs
![](/assets/images/marlin/species/web/o_plocar.jpg)
Plocamium cartilagineum
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_polrot.jpg)
Polyides rotunda.
Copyright: Scottish Natural Heritage (SNH)
![](/assets/images/marlin/species/web/o_pnewland20090602_5.jpg)
Polyidea rotunda in shallow water at Outer Hope, Devon
Copyright: Paul Newland
![](/assets/images/marlin/species/web/o_rhoflo.jpg)
Rhodothamniella floridula
Copyright: Mike Firth
Images: 83