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List of seaweeds of South Africa
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This is a list of seaweeds recorded from the oceans bordering South Africa.
This list comprises locally used common names, scientific names
Binomial nomenclature
Binomial nomenclature is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, although they can be based on words from other languages...

 with author citation
Author citation (botany)
In botanical nomenclature, author citation refers to citing the person who validly published a botanical name, i.e. who first published the name while fulfilling the formal requirements as specified by the International Code of Botanical Nomenclature...

 and recorded ranges
Range (biology)
In biology, the range or distribution of a species is the geographical area within which that species can be found. Within that range, dispersion is variation in local density.The term is often qualified:...

. Ranges specified may not be the entire known range for the species, but should include the known range within the waters surrounding the Republic of South Africa.

List ordering and taxonomy
Biological classification
Biological classification, or scientific classification in biology, is a method to group and categorize organisms by biological type, such as genus or species. Biological classification is part of scientific taxonomy....

 complies where possible with the current usage in Wikispecies
Wikispecies
Wikispecies is a wiki-based online project supported by the Wikimedia Foundation. Its aim is to create a comprehensive free content catalogue of all species and is directed at scientists, rather than at the general public...

, and may differ from the cited source, as listed citations are primarily for range or existence of records for the region.
Sub-taxa within any given taxon
Taxon
|thumb|270px|[[African elephants]] form a widely-accepted taxon, the [[genus]] LoxodontaA taxon is a group of organisms, which a taxonomist adjudges to be a unit. Usually a taxon is given a name and a rank, although neither is a requirement...

 are arranged alphabetically as a general rule.
Details of each species may be available through the relevant internal links. Synonyms
Synonym (taxonomy)
In scientific nomenclature, a synonym is a scientific name that is or was used for a taxon of organisms that also goes by a different scientific name. For example, Linnaeus was the first to give a scientific name to the Norway spruce, which he called Pinus abies...

 may be listed where useful.
Family: Bryopsidaceae
Bryopsidaceae
In taxonomy, the Bryopsidaceae are a family of algae, in the order Bryopsidales....

  • Bryopsis africana Areschoug, 1851 (Probably along the whole of the west Cape coast)
  • Bryopsis eckloniae Stegenga, Bolton & Anderson 1997, (Muizenberg, endemic)
  • Bryopsis hypnoides Lamouroux, 1809c (False Bay)
  • Bryopsis plumosa (Hudson, 1778) (False Bay and eastward)

Family: Caulerpaceae
Caulerpaceae
In taxonomy, the Caulerpaceae are a family of algae, specifically of the Bryopsidales....

  • Caulerpa bartoniae G. Murray, 1896 (Rare in Western Cape, Cape Hangkli and Muizenberg. Mainly from south coast. endemic)
  • Strap caulerpa Caulerpa filiformis (Suhr, 1834) (False Bay to northern KwaZulu-Natal, endemic)
  • Feathery caulerpa Caulerpa holmesiana G. Murray, 1891 (Mainly a south coastspecies. the westernmost records at Cape of Good Hope, endemic)

Family: Codiaceae
Codiaceae
In taxonomy, the Codiaceae are a family of algae, specifically of the Bryopsidales....

  • Duthie's upright codium Codium duthiaeSilva in Silva & Womersley, 1956 (Mainly a south and east coast species, westwards as far as Langebaan logoon.)
  • Hairy upright codium Codium extricatum Silva 1959a (Cape Agulhas to southern KwaZulu-Natal, endemic)
  • Fragile upright codium Codium fragile
    Codium fragile
    Codium fragile, also known as Green sea fingers, Dead man's fingers, felty fingers, felt-alga, Green sponge and Green fleece is an invasive species of seaweed in the family Codiaceae....

     (Suringar) Hariot subsp. capense Silva 1959a (Whole of Cape west coast and most of Namibia, Eastward as far as Robberg, Plettenberg Bay)
  • Codium isaacii Silva, 1959a (Namibia to Cape Peninsula, endemic)
  • Lucas' codium Codium lucasii Setchell subsp. capense Silva 1959a (Strand, False Bay to southern Mozambique, endemic)
  • Codium papenfussii Silva, 1959a (West coast of Cape Peninsula to southern KwaZulu-Natal, endemic)
  • Flat-lobed codium Codium platylobium Areschoug, 1854 (False Bay to southern KwaZulu-Natal, endemic)
  • Stephens' codium Codium stephensiae Dickinson, 1932 (St Helena Bay to Transkei, endemic)

Familia: Udoteaceae
Udoteaceae
In taxonomy, the Udoteaceae are a family of algae, specifically of the Bryopsidales....

  • Chlorodesmis
    Chlorodesmis
    In taxonomy, Chlorodesmis is a genus of algae, specifically of the Udoteaceae.-Scientific databases:* * *...

     sp. indet (Oudekraal, Cape Peninsula, endemic)

Family: Derbesiaceae
Derbesiaceae
In taxonomy, the Derbesiaceae are a family of algae, specifically of the Bryopsidales....

  • Derbesia hollenbergii Taylor, 1945 (Muizenberg and Strandfontein, False Bay, and Eastern Cape and Transkei)
  • Derbesia marina Lyngbye, 1819 (Muizenberg, False May, and eastern Cape and Transkei)

Family: Chaetophoraceae
Chaetophoraceae
In taxonomy, the Chaetophoraceae are a family of algae, specifically of the Chaetophorales.-Genera:* Aphanochaete* Arthrochaete* Bolbocoleon* Cedercreutziella* Chaetomnion* Chaetonema* Chaetonemopsis* Chaetophora...

  • Acrochaete
    Acrochaete
    In taxonomy, Acrochaete is a genus of algae, specifically of the Ulvellaceae.-Scientific databases:* * *...

     sp. indet (Glencairn (False Bay
    False Bay
    False Bay is a body of water defined by Cape Hangklip and the Cape Peninsula in the extreme South-West of South Africa.- Description and location :...

    ) and De Hoop nature reserve
    De Hoop Nature Reserve
    De Hoop Nature Reserve is a nature reserve in the Western Cape Province of South Africa.It lies three hours from Cape Town in the Overberg region, near Cape Agulhas, the southern tip of Africa. Approximately 340 square kilometres in area, it is one of the largest natural areas managed by...

    )
  • Stromatella
    Stromatella
    Stromatella is a genus of algae, in the family Chaetophoraceae.-Scientific databases:* * *...

     sp. indet (Hondeklipbaai to Yzerfontein
    Yzerfontein
    Yzerfontein is a small harbour town with about 1200 inhabitants on the west coast of South Africa about 90 km north of Cape Town. The main sources of income are tourism , and fishing....

    )

Family: Chroolepidaceae
  • Sporocladopsis novae-zelandiae Chapman, 1949 (Yzerfonten to East London)


Family: Cladophoraceae
Cladophoraceae
In taxonomy, the Cladophoraceae are a family of algae, specifically of the Cladophorales. This family includes notably marimo , as well as the genus Chaetomorpha which has a few members used in saltwater aquariums....

  • Chaetomorpha aerea (Dillwyn, 1806) (False Bay to Cape Agulhas)
  • Chaetomorpha capillaris Kuetzing, 1847 (Kraalbaai, Langebaan lagoon)
  • Hair weed Chaetomorpha linum (O.F. Meuller, 1778) (Kalk Bay and Simon's Town harbours)
  • Robust hair-weedChaetomorpha robusta (Areschoug, 1851) (Namibia to Hermanus)
  • Chaetomorpha
    Chaetomorpha
    In taxonomy, Chaetomorpha is a genus of algae, specifically of the Cladophoraceae.-Aquarium Hobby Usage:Chaetomorpha is especially common in saltwater aquariums because it can be used for removal of nutrients, especially nitrates. Aquarists will commonly house this alga, perhaps with others, in a...

     sp. indet (Clovelly, False Bay)
  • Cape cladophoraCladophora capensis (C. Agardh, 1824) (Namibia to southern Cape Peninsula)
  • Turf cladophora Cladophora contexta Levring, 1938 (Olifantsbos to Lüderitz)
  • Cladophora dalmatica Kuetzing, 1843 (Glencairn, False Bay)
  • Blue whip clodophora Cladophora flagelliformis Suhr, 1840 (Brandfontein to Namibia)
  • Cladophora isaacii Simons, 1960 (Port Nolloth to Cape Hangklip)
  • Cladophora mirabilis (C. Agardh, 1820b) (Cape Hangklip to Cape Fria, Namibia)
  • Cladophora radiosa (Suhr, 1834) (Table Bay eastwards to Cape Morgan)
  • Cladophora sericia (Hudson, 1762) (Cape Peninsula north to Melkbosstrand, east to De Hoop nature reserve)
  • Cladophora
    Cladophora
    Cladophora is a genus of reticulated filamentous Ulvophyceae . The genus Cladophora contains many species that are very hard to tell apart and classify, mainly because of the great variation in their appearances, which is affected by habitat, age and environmental conditions...

     sp. indet (Clovelly to Buffels Bay, Cape Peninsula)
  • Rhizoclonium implexum (Dillwyn, 1805) (Kraalbaai, Langebaan lagoon and Clovelly, Cape Peninsula)
  • Rhizoclinum lubricum Setchell & Gardner in Gardner 1919 (Kraalbaai, Langebaan Lagoon)
  • Rhizoclinum riparium (Roth, 1797) (Kraalbaai and Kowie estuary)

Family: Acrosiphoniaceae
  • Urospora media Levring, 1938 (Port Nolloth and Groenrivier)

Family: Ulotrichaceae
Ulotrichaceae
In taxonomy, the Ulotrichaceae are a family of algae, specifically of the Ulotrichales....

  • Ulothrix flacca (Dillwyn) Thuret, 1863 (Cape Peninsula
    Cape Peninsula
    The Cape Peninsula is a generally rocky peninsula that juts out for 75 km into the Atlantic Ocean at the south-western extremity of the African continent. At the southern end of the peninsula are Cape Point and the Cape of Good Hope...

     and False Bay
    False Bay
    False Bay is a body of water defined by Cape Hangklip and the Cape Peninsula in the extreme South-West of South Africa.- Description and location :...

    )
  • Ulothrix speciosa (Carmichael) Kützing, 1849 (Known from a single collection at Kalk Bay
    Kalk Bay
    Kalk Bay is a fishing village on the coast of False Bay, South Africa and is now a suburb of greater Cape Town. It lies in a beautiful setting, wedged between the ocean and sharply rising mountainous heights that are buttressed by crags of grey sandstone...

    )

Family: Ulvaceae
Ulvaceae
Ulvaceae is a family of green algae.-Genera in the family Ulvaceae:* Blidingia* Chloropelta* Enteromorpha* Percursaria* Ulva* Ulvaria* Umbraulva...

  • Blidingia marginata (J. Agardh, 1842) (Kraalbaai,Langebaan lagoon)
  • Blidingia minima (Naegeli ex Kuetzing, 1849) (Kraalbaai, Langebaan lagoon to False Bay, and Eastern Cape)
  • Chloropelta caespitosa Tanner, 1980 (Kalk Bay and Cape Hangklip)
  • Enteromorpha atroviridis (Levring, 1938) (Namibia to Oudekraal, Cape Peninsula)
  • Enteromorpha flexuosa (Wulfen in Roth, 1800) (Muizenberg and Dalebrook, False Bay and Eastern Cape)
  • Enteromorpha intestinalis (Linnaeus, 1753) (Widespread on west and south coasts)
  • Enteromorpha linza (Linnaeus, 1753) (Namibia to False Bay)
  • Enteromorpha prolifera (O.F. Mueller, 1778) (Namibia to Eastern Cape)
  • Percursaria percursa (C.Agardh, 1817) (Cape Peninsula - Glencairn, Scarborough, Mouille Point)
  • Ulva capensis Areschoug, 1851 (Namibia to Cape Agulhas)
  • Ribbon sea lettuce Ulva fasciata Delile, 1813 (False Bay to tropical east Africa)
  • Ulva lactuca
    Ulva lactuca
    Ulva lactuca Linnaeus, a green alga in the division Chlorophyta, is the type species of the genus Ulva, also known by the common name sea lettuce.-Description:...

     Linnaeus, 1753 (Saldanha Bay)
  • Ulva rhacodes Holmes, 1894a (False Bay to Eastern Cape)
  • Rigid sea lettuce Ulva rigida C. Agardh, 1823 (Cape Peninsula to tropical East Africa)

Kingdom: Chromalveolata — Division: Heterokonta — Class: Phaeophyceae — Brown seaweeds

Family Cutleriaceae

  • Aglaozonia sp. (Muizenberg, False Bay. Brandfontein. Bird Island, eastern Cape)

Family Desmarestiaceae


Family Dictyotaceae
Dictyotaceae
Dictyotaceae is large family of brown algae . Members of this order generally prefer warmer waters than other brown algae. One genus in this order is calcareous, Padina, the only calcareous member of this class.-External links:*...


Family: Acinetosporaceae
  • Acinetospora crinata (Carmichael ex Harvey in Hooker, 1833) (False Bay, Eastern Cape)
  • Feldmannia irregularis (Kuetzing, 1845) (Cape Peninsula, Langebaan lagoon and eastern Cape)
  • Hincksia granulosa (Smith, 1811) (Muizenberg and Oudekraal, also Namibia)

Family Chordariaceae
  • Asperococcus compressus A.W.Griffiths ex W.J.Hooker, 1833 (Table Bay)http://www.algaebase.org/search/species/detail/?species_id=293&sk=0&from=results
  • Brown brains Leathesia difformis
    Leathesia difformis
    Leathesia difformis, the sea potato, is a littoral brown alga in the class Phaeophyceae and the order Ectocarpales which is commonly attached to other seaweeds and sometimes rocks. When young, the organism is solid but as it matures it become hollow and somewhat convoluted and has the appearance of...

     (Linnaeus) J.E. Areschoug, 1847 (All South African coasts: common on west coast, internittent in eastern Cape and KwaZulu-Natal)
  • Myriocladia capensis J. Agardh 1848 (Port Nolloth to De Hoop Nature Reserve, endemic)
  • Myriogloia abbreviata Kylin, 1940 (Sea Point to Port Nolloth, endemic)
  • Myriogloea papenfussii Kylin, 1940 (False Bay to Melkbosstrand, endemic)
  • Myrionema cf magnusii (Sauvageau) Loiseaux, 1967 (Glencairn)
  • Papenfussiella gracilis Kylin, 1940 (Platboombaai to Swakopmund, Namibia. Endemic to southern Africa)
  • Streblonema codii vel. aff. Barton, 1896 (Betty's Bay)
  • Streblonema cf. nemastomae Baardseth, 1941 (Port Nolloth, Hondeklipbaai)
  • Streblonema transfixum Setchell & Gardner, 1922b (Port Nolloth and Hondeklip Bay)
  • Zeacarpa leiomorpha Anderson, Simons & Bolton, 1988 (Yzerfontein to Dalebrook, Probably more widespread)

Family Chordariopsidaceae


Family Ectocarpaceae
  • Ectocarpus acutus Setchell & Gardner 1922c (Olifantsbos to Hondeklipbaai)
  • Ectocarpus fasciculatus Harvey, 1841 (Melkbosstrand to De Hoop)
  • Ectocarpus siliculosus
    Ectocarpus siliculosus
    Ectocarpus siliculosus is a filamentous brown alga . Its genome was the first brown macroalgal genome to be sequenced, with the expectation that E...

     (Dillwyn, 1809) (Port Nolloth to Eastern Cape)

Family: Pylaiellaceae
  • Bachelotia antillarum (Grunow 1867) (False Bay to KwaZulu-Natal)

Family Bifurcariopsidaceae


Family Sargassaceae
Sargassaceae
Sargassaceae is a family of brown algae.-External links:...


Family Laminariaceae
Laminariaceae
Laminariaceae are a family of seaweeds, classified as brown algae. The table indicates the genera within this family. The family includes the largest known seaweeds: Nereocystis and Macrocystis....

Family Lessoniaceae
Lessoniaceae
Lessoniaceae are a family of kelp. Species of this family have transition zone with intercalary meristem subdivided so that there are a number of secondary stipes in addition to the primary stipe....

  • Sea bamboo Ecklonia maxima
    Ecklonia maxima
    Ecklonia maxima, sea bamboo, is a species of kelp native to the southern oceans. It is most typically found along the southern Atlantic coast of Africa, from the very south of South Africa north to Namibia...

     (Osbeck) Papenfuss, 1940b (Papenkuilsfontein 10 km west of Cape Agulhas to north of Lüderitz, Namibia)http://www.algaebase.org/search/species/detail/?species_id=3462&-session=abv4:C636CAF6141862CA14hRG110BFF9
  • Spined kelp Ecklonia radiata
    Ecklonia radiata
    Ecklonia radiata is a species of kelp found in the Canary Islands, the Cape Verde Islands, Madagascar, Mauritania, Senegal, South Africa, Oman, southern Australia, Lord Howe Island, and New Zealand.-Further reading:...

     (C.Agardh) J.Agardh, 1848 (Forms with long stipes and rugose blades in False Bay, Spinose forms common at Die Dam, Otherwise species common from Koppie Allen to Southern Natal. Longer stiped smooth bladed form as far east as parts of Zululand)http://www.algaebase.org/search/species/detail/?species_id=3463

Family Ralfsiaceae

  • Ralfsia Ralfsia verrucosa (Areschoug) J.Agardh, 1848 (Common on all west coast shores and probably throughout the Agulhas marine province)

Family Scytosiphonaceae

Family Splachnidiaceae

Family Sphacelariaceae

Family Stypocaulaceae

Family Sporochnaceae

Kingdom: Protista — Subkingdom: Biciliata — Infraregnum: Incertae sedis — Phylum(?): Rhodophyta — Red seaweeds

Family Bangiaceae

Family Phragmonemataceae
Family Erythrotrichiaceae
Family Acrochaetiaceae

Family Colaconemataceae

Family Meiodiscaceae

Family Stylonemataceae
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