genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
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
Chlorophyta or Prasinophyta is a taxon of green algae informally called chlorophytes. The name is used in two very different senses, so care is needed to determine the use by a particular author. In older classification systems, it refers to ...
of the order
Bryopsidales
Bryopsidales is an order of green algae, in the class Ulvophyceae.
Characteristics
The thallus is filamentous and much branched and may be packed into a mass. It is coenocytic, having multi-nucleate cells consisting of cytoplasm contained withi ...
.
Paul Silva
Paul Claude Silva (October 31, 1922 – June 12, 2014) was a phycologist, marine biologist, and algal taxonomist considered to be the world's leading expert in the chlorophyte green algal genus ''Codium''. Silva was also an expert in botanical ...
was an expert on the genus ''Codium'' taxonomy at the
University of California, Berkeley
The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant u ...
. There are about 50 species worldwide.
Description
The genus has
thalli
Thallus (plural: thalli), from Latinized Greek (), meaning "a green shoot" or "twig", is the vegetative tissue of some organisms in diverse groups such as algae, fungi, some liverworts, lichens, and the Myxogastria. Many of these organisms were ...
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
Weave details visible on a purple-colored velvet fabric
Velvet is a type of woven tufted fabric in which the cut threads are evenly distributed, with a short pile, giving it a distinctive soft feel. By extension, the word ''velvety'' means ...
-like surface, the final branches forming a close cortex of utricles.
Distribution
Ireland
Two of these species are very rare in
Ireland
Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...
. '' Codium adhaerens'' has been recorded from a few sites on the west coast and from
County Donegal
County Donegal ( ; ga, Contae Dhún na nGall) is a county of Ireland in the province of Ulster and in the Northern and Western Region. It is named after the town of Donegal in the south of the county. It has also been known as County Tyrconne ...
. In 1837 it was found in Church Bay in
County Antrim
County Antrim (named after the town of Antrim, ) is one of six counties of Northern Ireland and one of the thirty-two counties of Ireland. Adjoined to the north-east shore of Lough Neagh, the county covers an area of and has a population o ...
,Morton,O. 1994. ''Marine Algae of Northern Ireland.'' Ulster Museum. but has not been found there since.
* '' Codium adhaerens'' C.Agardh
* '' Codium bursa'' (
Linnaeus
Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
Mulroy Bay
Mulroy Bay ( ga, Cuan na Maoil Ruaidh) is a relatively small bay / sea loch on the north coast of County Donegal, Ireland.
Mulroy Bay is the most convoluted of the marine inlets in north-west Ireland. It is approximately 12 km long in a ...
in County Donegal in 1977 (specimen in the
Ulster Museum
The Ulster Museum, located in the Botanic Gardens in Belfast, has around 8,000 square metres (90,000 sq. ft.) of public display space, featuring material from the collections of fine art and applied art, archaeology, ethnography, treasure ...
) and 1988. There is an old record of it from "near
Belfast
Belfast ( , ; from ga, Béal Feirste , meaning 'mouth of the sand-bank ford') is the capital and largest city of Northern Ireland, standing on the banks of the River Lagan on the east coast. It is the 12th-largest city in the United Kingdo ...
" between 1793 and 1810.
* ''
Codium fragile
''Codium fragile'', known commonly as green sea fingers, dead man's fingers, felty fingers, Intertidal ...
Silva
Silva is a surname in Portuguese language, Portuguese-speaking countries, such as Portugal and Brazil. It is derived from the Latin word , meaning "forest" or "woodland". It is the family name of the House of Silva.
The name is also widespread i ...
* ''
Codium tomentosum
''Codium tomentosum'' is a species of green seaweed in the family Codiaceae. Its common names include velvet horn and spongeweed.
Description
The holdfast of ''C. tomentosum'' is saucer-shaped and has closely woven strands giving it a unif ...
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 ...
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 ...
Womersley
Womersley is a village in the Selby District, in the English county of North Yorkshire. The parish population at the 2011 census (including Stapleton and Walden Stubbs) was 515. It is near the towns of Selby, Askern and Pontefract. It is clos ...
New Zealand
New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...
California
California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...
(
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
Silva
Silva is a surname in Portuguese language, Portuguese-speaking countries, such as Portugal and Brazil. It is derived from the Latin word , meaning "forest" or "woodland". It is the family name of the House of Silva.
The name is also widespread i ...
- Australia,
Tasmania
)
, nickname =
, image_map = Tasmania in Australia.svg
, map_caption = Location of Tasmania in AustraliaCoordinates:
, subdivision_type = Country
, subdi ...
, and
South Africa
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...
Silva
Silva is a surname in Portuguese language, Portuguese-speaking countries, such as Portugal and Brazil. It is derived from the Latin word , meaning "forest" or "woodland". It is the family name of the House of Silva.
The name is also widespread i ...
-
Cape Agulhas
Cape Agulhas (; pt, Cabo das Agulhas , "Cape of the Needles") is a rocky headland in Western Cape, South Africa.
It is the geographic southern tip of the African continent and the beginning of the dividing line between the Atlantic and Indian ...
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
''Codium fragile'', known commonly as green sea fingers, dead man's fingers, felty fingers, Intertidal ...
Nova Scotia
Nova Scotia ( ; ; ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. Nova Scotia is Latin for "New Scotland".
Most of the population are native Eng ...
(
Canada
Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
Chinese
Chinese can refer to:
* Something related to China
* Chinese people, people of Chinese nationality, citizenship, and/or ethnicity
**''Zhonghua minzu'', the supra-ethnic concept of the Chinese nation
** List of ethnic groups in China, people of va ...
) 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
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
from
Alaska
Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...
to
Cape Horn
Cape Horn ( es, Cabo de Hornos, ) is the southernmost headland of the Tierra del Fuego archipelago of southern Chile, and is located on the small Hornos Island. Although not the most southerly point of South America (which are the Diego Ramírez ...
,
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 ...
and
New Zealand
New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...
,
British Isles
The British Isles are a group of islands in the North Atlantic Ocean off the north-western coast of continental Europe, consisting of the islands of Great Britain, Ireland, the Isle of Man, the Inner and Outer Hebrides, the Northern Isles, ...
,
Norway
Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...
,
Denmark
)
, song = ( en, "King Christian stood by the lofty mast")
, song_type = National and royal anthem
, image_map = EU-Denmark.svg
, map_caption =
, subdivision_type = Sovereign state
, subdivision_name = Danish Realm, Kingdom of Denmark
...
, and
Netherlands
)
, anthem = ( en, "William of Nassau")
, image_map =
, map_caption =
, subdivision_type = Sovereign state
, subdivision_name = Kingdom of the Netherlands
, established_title = Before independence
, established_date = Spanish Netherl ...
Silva
Silva is a surname in Portuguese language, Portuguese-speaking countries, such as Portugal and Brazil. It is derived from the Latin word , meaning "forest" or "woodland". It is the family name of the House of Silva.
The name is also widespread i ...
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 ...
Collins
Collins may refer to:
People Surname
Given name
* Collins O. Bright (1917–?), Sierra Leonean diplomat
* Collins Chabane (1960–2015), South African Minister of Public Service and Administration
* Collins Cheboi (born 1987), Kenyan middle- ...
Vickers
Vickers was a British engineering company that existed from 1828 until 1999. It was formed in Sheffield as a steel foundry by Edward Vickers and his father-in-law, and soon became famous for casting church bells. The company went public in 18 ...
Silva
Silva is a surname in Portuguese language, Portuguese-speaking countries, such as Portugal and Brazil. It is derived from the Latin word , meaning "forest" or "woodland". It is the family name of the House of Silva.
The name is also widespread i ...
Codium mamillosum
''Codium mamillosum'' is a species of seaweed in the ''Codiaceae'' family.
The medium green globose thallus has a diameter of around that is attached to a tuft of rhizoids.
It is found from low tidal areas to a depth of sublittoral zone in m ...
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 coast ...
Womersley
Womersley is a village in the Selby District, in the English county of North Yorkshire. The parish population at the 2011 census (including Stapleton and Walden Stubbs) was 515. It is near the towns of Selby, Askern and Pontefract. It is clos ...
Womersley
Womersley is a village in the Selby District, in the English county of North Yorkshire. The parish population at the 2011 census (including Stapleton and Walden Stubbs) was 515. It is near the towns of Selby, Askern and Pontefract. It is clos ...
Silva
Silva is a surname in Portuguese language, Portuguese-speaking countries, such as Portugal and Brazil. It is derived from the Latin word , meaning "forest" or "woodland". It is the family name of the House of Silva.
The name is also widespread i ...
Vickers
Vickers was a British engineering company that existed from 1828 until 1999. It was formed in Sheffield as a steel foundry by Edward Vickers and his father-in-law, and soon became famous for casting church bells. The company went public in 18 ...
Codium tomentosum
''Codium tomentosum'' is a species of green seaweed in the family Codiaceae. Its common names include velvet horn and spongeweed.
Description
The holdfast of ''C. tomentosum'' is saucer-shaped and has closely woven strands giving it a unif ...