''Codium'' is a genus of

seaweed Seaweed, or macroalgae, refers to thousands of species of macroscopic, multicellular, marine algae. The term includes some types of '' Rhodophyta'' (red), ''Phaeophyta'' (brown) and ''Chlorophyta'' (green) macroalgae. Seaweed species such as ...

in the Chlorophyta of the order Bryopsidales. Paul Silva was an expert on the genus ''Codium'' taxonomy at the University of California, Berkeley. There are about 50 species worldwide.

Description

The genus has thalli of two forms, either erect or prostrate. The erect plants are dichotomously branched to long with branches forming a compact spongy structure, not calcareous. The final branches form a surface layer of close

palisade A palisade, sometimes called a stakewall or a paling, is typically a fence or defensive wall made from iron or wooden stakes, or tree trunks, and used as a defensive structure or enclosure. Palisades can form a stockade. Etymology ''Palisade' ...

cortex of utricles. The non-erect species form either a prostrate or globular thallus with a velvet-like surface, the final branches forming a close cortex of utricles.

Distribution

Ireland

Two of these species are very rare in Ireland. ''

Codium adhaerens ''Codium'' is a genus of seaweed in the Chlorophyta of the order Bryopsidales. Paul Silva was an expert on the genus ''Codium'' taxonomy at the University of California, Berkeley. There are about 50 species worldwide. Description The genus has ...

'' has been recorded from a few sites on the west coast and from Tory Island on the north coast in County Donegal. In 1837 it was found in Church Bay in County Antrim,Morton,O. 1994. ''Marine Algae of Northern Ireland.'' Ulster Museum. but has not been found there since. * ''

'' C.Agardh * ''

Codium bursa ''Codium bursa'' is a green marine algae of medium size. Description ''Codium bursa'' is a marine alga growing to 30 cm across. It generally appears as a spongy sphere of utricles which at the surface form a cortex. It is composed of loos ...

'' ( Linnaeus) C.Agardh - has been found in Mulroy Bay in County Donegal in 1977 (specimen in the Ulster Museum) and 1988. There is an old record of it from "near Belfast" between 1793 and 1810. * '' Codium fragile'' ( Suringar) Hariot ** ''Codium fragile'' subsp. ''atlanticum'' ( A. Cotton) Silva * '' Codium tomentosum'' Stackhouse * ''

Codium vermilara ''Codium'' is a genus of seaweed in the Chlorophyta of the order Bryopsidales. Paul Silva was an expert on the genus ''Codium'' taxonomy at the University of California, Berkeley. There are about 50 species worldwide. Description The genu ...

'' ( Olivi) Delle Chiaje There are other species of "doubtful validity":- ''

Codium amphibium ''Codium'' is a genus of seaweed in the Chlorophyta of the order Bryopsidales. Paul Silva was an expert on the genus ''Codium'' taxonomy at the University of California, Berkeley. There are about 50 species worldwide. Description The genu ...

'' is included in William Henry Harvey's ''

Phycologia Britannica William Henry Harvey, FRS FLS (5 February 1811 – 15 May 1866) was an Irish botanist and phycologist who specialised in algae. Biography Harvey was born at Summerville near Limerick, Ireland, in 1811, the youngest of 11 children. His fathe ...

'' Pl.xxxv. and noted as: "spreading in patches of great extent along the edge of the sea, over the surface of a turf-

bog A bog or bogland is a wetland that accumulates peat as a deposit of dead plant materials often mosses, typically sphagnum moss. It is one of the four main types of wetlands. Other names for bogs include mire, mosses, quagmire, and muskeg; a ...

which meets the shore at

Roundstone Bay Roundstone may refer to: Australia *Roundstone, Queensland, a locality in the Shire of Banana, Australia Ireland *Roundstone, County Galway, a village in the Republic of Ireland United Kingdom *Roundstone, West Sussex, a village in England *Ro ...

" (Ireland).

Worldwide

* ''

Codium arabicum ''Codium arabicum'', commonly known as green sea cushion, is a species of seaweed in the '' Codiaceae'' family. The seaweed has a dorsiventral and applanate thallus that typically grows to a width of . The dark green thallus forms an amorphous ...

'' Kütz. -

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

* ''

Codium arenicola ''Codium arenicola'' is a species of seaweed in the '' Codiaceae'' family. In Western Australia is found along the coast in the Pilbara region of Western Australia near Karratha. References {{Taxonbar, from=Q41804912 arenicola ''Arenico ...

'' Chacana & P.C.Silva - Australia * ''

Codium australasicum ''Codium australasicum'' is a species of seaweed in the '' Codiaceae'' family. The erect dark green thallus typically grows to a height of . It is repeatedly dichotomous and has terete branches. It is found in sublittoral zones in rough shade ...

'' P.C.Silva - Australia * ''

Codium bulbopilum ''Codium bulbopilum'' is a species of seaweed in the '' Codiaceae'' family. The species is found along the coast of Western Australia, Norfolk Island and Lord Howe Island. It is found around Pacific Islands including American Samoa and Fiji ...

'' Setch. - Australia * ''

Codium capitulatum ''Codium capitulatum'' is a species of seaweed in the '' Codiaceae'' family. The firm, applanate and lobed dark green thallus typically grows to a width of spreading to around forming large clusters of utricles. It is found in lower eulittor ...

'' P.C.Silva & Womersley - Australia * ''

Codium convolutum ''Codium'' is a genus of seaweed in the Chlorophyta of the order Bryopsidales. Paul Silva was an expert on the genus ''Codium'' taxonomy at the University of California, Berkeley. There are about 50 species worldwide. Description The genu ...

'' (Dellow) P.C.Silva - New Zealand * ''

Codium cuneatum ''Codium'' is a genus of seaweed in the Chlorophyta of the order Bryopsidales. Paul Silva was an expert on the genus ''Codium'' taxonomy at the University of California, Berkeley. There are about 50 species worldwide. Description The genu ...

'' S. & G. - California ( United States) * ''

Codium duthiae ''Codium duthiae'' is a species of seaweed in the '' Codiaceae'' family. The epilithic green marine alga typically grows to a height of . It has a discoid holdfast with spongy erect fronds on terete branches. It is found on coastal area with ...

'' Silva - Australia, Tasmania, and South Africa * ''

Codium dwarkense ''Codium dwarkense'' is a species of seaweed in the '' Codiaceae'' family. The erect to decumbent thallus is attached to a spongy base. It is found in the intertidal and subtidal zones. In Western Australia is found along the coast in Kimberl ...

'' Børgesen - Australia *''

Codium edule ''Codium edule'' is a green alga The green algae (singular: green alga) are a group consisting of the Prasinodermophyta and its unnamed sister which contains the Chlorophyta and Charophyta/Streptophyta. The land plants (Embryophytes) have emer ...

-'' Indo-Pacific, including Hawaii * ''

Codium extricatum ''Codium'' is a genus of seaweed in the Chlorophyta of the order Bryopsidales. Paul Silva was an expert on the genus ''Codium'' taxonomy at the University of California, Berkeley. There are about 50 species worldwide. Description The genu ...

'' Silva - Cape Agulhas to southern

KwaZulu-Natal KwaZulu-Natal (, also referred to as KZN and known as "the garden province") is a province of South Africa that was created in 1994 when the Zulu bantustan of KwaZulu ("Place of the Zulu" in Zulu) and Natal Province were merged. It is locate ...

* '' Codium fragile'' ( Suringar) Hariot - Nova Scotia ( Canada) ** ''Codium fragile'' Sui song - ( Chinese) Food and food products from seaweeds

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

, American Pacific from Alaska to Cape Horn,

and New Zealand, British Isles, Norway, Denmark, and Netherlands ** ''Codium fragile'' subsp. ''capense'' Silva - South Africa * ''

Codium galeatum ''Codium galeatum'' is a species of seaweed in the '' Codiaceae'' family. The firm, erect medium green thallus with regular dichotomous branches typically grows to a height of . It is commonly found on rough water coasts from the low tide mark ...

'' J.Agardh - Australia * ''

Codium geppiorum ''Codium geppiorum'' is a species of seaweed in the '' Codiaceae'' family. The procumbent and densely branched thallus forms patches that are about wide that are attached to sandy substrates with tufts of rhizoids. It epilithic and is found i ...

'' O.C.Schmidt - Australia and

Indo-Pacific The Indo-Pacific is a vast biogeographic region of Earth. In a narrow sense, sometimes known as the Indo-West Pacific or Indo-Pacific Asia, it comprises the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the ...

South Africa * '' Codium harveyi'' P.C.Silva - Australia * ''

Codium hubbsii ''Codium'' is a genus of seaweed in the Chlorophyta of the order Bryopsidales. Paul Silva was an expert on the genus ''Codium'' taxonomy at the University of California, Berkeley. There are about 50 species worldwide. Description The genu ...

'' Daws. - California (U.S.A.) * '' Codium intertextum'' Collins &

Hervey Hervey is both an English surname and a masculine given name, probably derived from French Hervé. Notable people with the name include: Surname: * Lord Alfred Hervey (1816–1875), English politician *Lord Arthur Hervey (1808–1894), English bish ...

* ''

Codium isthmocladum ''Codium'' is a genus of seaweed in the Chlorophyta of the order Bryopsidales. Paul Silva was an expert on the genus ''Codium'' taxonomy at the University of California, Berkeley. There are about 50 species worldwide. Description The genu ...

'' Vickers * ''

Codium johnstonei ''Codium'' is a genus of seaweed in the Chlorophyta of the order Bryopsidales. Paul Silva was an expert on the genus ''Codium'' taxonomy at the University of California, Berkeley. There are about 50 species worldwide. Description The genu ...

'' Silva - California (U.S.A.) * '' Codium laminarioides''

Harv. William Henry Harvey, FRS FLS (5 February 1811 – 15 May 1866) was an Irish botanist and phycologist who specialised in algae. Biography Harvey was born at Summerville near Limerick, Ireland, in 1811, the youngest of 11 children. His fathe ...

- Australia * '' Codium lucasii'' Setchell - Australia, Tasmania * '' Codium mamillosum''

- Australia * ''

Codium muelleri ''Codium muelleri'' is a species of seaweed in the '' Codiaceae'' family. The firm medium green erect thallus is usually around in height with repeatedly dichotomous branches. It is found in sublittoral zones to a depth of in rough to mode ...

'' Kütz. - Australia * ''

Codium perriniae ''Codium perriniae'' is a species of seaweed in the '' Codiaceae'' family. The firm medium green thallus is usually around tall and across. It is found in the upper sublittoral zone in rock pools and rock shelves rough to moderate water coas ...

'' A.H.S.Lucas - Australia * ''

Codium pomoides ''Codium pomoides'' is a species of seaweed in the ''Codiaceae'' family. The firm dark green thallus and has a globose habit and is usually around across. It is found at the low tide up to in depth along rough to moderate water coasts. In ...

'' J.Agardh - Australia * ''

Codium setchellii ''Codium'' is a genus of seaweed in the Chlorophyta of the order Bryopsidales. Paul Silva was an expert on the genus ''Codium'' taxonomy at the University of California, Berkeley. There are about 50 species worldwide. Description The genu ...

'' Gardn. - California (U.S.A.) * ''

Codium silvae ''Codium silvae'' is a species of seaweed in the '' Codiaceae'' family. The medium green erect thallus usually grows to around in height and terete branches. In Western Australia is found along the coast in the Goldfields-Esperance region fr ...

'' Womersley - Australia * ''

Codium spinescens ''Codium spinescens'' is a species of seaweed in the '' Codiaceae'' family. The firm medium to dark green thallus branches dichotomously habit and is usually around in height. In Western Australia is found along the coast around the Abrolhos ...

'' P.C.Silva & Womersley - Australia * ''

Codium spongiosum ''Codium spongiosum'' is a species of seaweed in the family Codiaceae. The light-green thallus has an applanate to pulvinate habit and is usually around across and thick. It has irregular lobes and moderately firm while alive becoming more sp ...

- Australia * '' Codium strangulatum'' Chacana & P.C.Silva - Australia * ''

Codium taylorii ''Codium taylorii'' is a species of seaweed in the ''Codiaceae'' family. The one to several erect frond thallus usually grows to around in height. In Western Australia is found along the coast in the Kimberley (Western Australia), Kimberley an ...

'' Silva - Australia * ''

Codium repens ''Codium'' is a genus of seaweed in the Chlorophyta of the order Bryopsidales. Paul Silva was an expert on the genus ''Codium'' taxonomy at the University of California, Berkeley. There are about 50 species worldwide. Description The genu ...

'' ( P.Crouan & H.Crouan) Vickers * ''

Codium tenue ''Codium tenue'' is a species of seaweed in the '' Codiaceae'' family. In Western Australia is found along the coast in one small area in the South West The points of the compass are a set of horizontal, radially arrayed compass directions ...

'' ( Kütz.) Kütz. - Australia * '' Codium tomentosum'' Stackh. - Australia

References

General references

* * * * * * * *

External links

* * * {{Taxonbar, from=Q1143304 Ulvophyceae genera Marine biota of Africa Marine biota of Europe Marine biota of North America Taxa named by John Stackhouse