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 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 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'' 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.

* ''Codium adhaerens'' C.Agardh
* ''Codium bursa'' ( 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'' ( Olivi) Delle Chiaje

There are other species of "doubtful validity":- '' Codium amphibium'' is included in William Henry Harvey's ''Phycologia Britannica'' Pl.xxxv. and noted as: "spreading in patches of great extent along the edge of the sea, over the surface of a turf-bog which meets the shore at Roundstone Bay" (Ireland).

Worldwide

* '' Codium arabicum'' Kütz. - Australia
* '' Codium arenicola'' Chacana & P.C.Silva - Australia
* '' Codium australasicum'' P.C.Silva - Australia
* ''Codium bulbopilum'' Setch. - Australia
* '' Codium capitulatum'' P.C.Silva & Womersley - Australia
* '' Codium convolutum'' (Dellow) P.C.Silva - New Zealand
* '' Codium cuneatum'' S. & G. - California ( United States)
* ''Codium duthiae'' Silva - Australia, Tasmania, and South Africa
* '' Codium dwarkense'' Børgesen - Australia
*''Codium edule -'' Indo-Pacific, including Hawaii
* '' Codium extricatum'' Silva - Cape Agulhas to southern KwaZulu-Natal
* ''Codium fragile'' ( Suringar) Hariot - Nova Scotia ( Canada)
** ''Codium fragile'' Sui song - (Chinese) Food and food products from seaweeds Japan, American Pacific from Alaska to Cape Horn, Australia and New Zealand, British Isles, Norway, Denmark, and Netherlands
** ''Codium fragile'' subsp. ''capense'' Silva - South Africa
* ''Codium galeatum'' J.Agardh - Australia
* ''Codium geppiorum'' O.C.Schmidt - Australia and Indo-Pacific South Africa
* '' Codium harveyi'' P.C.Silva - Australia
* '' Codium hubbsii'' Daws. - California (U.S.A.)
* '' Codium intertextum'' Collins & Hervey
* ''Codium isthmocladum'' Vickers
* ''Codium johnstonei'' Silva - California (U.S.A.)
* '' Codium laminarioides'' Harv. - Australia
* '' Codium lucasii'' Setchell - Australia, Tasmania
* ''Codium mamillosum'' Harv. - Australia
* '' Codium muelleri'' Kütz. - Australia
* ''Codium perriniae'' A.H.S.Lucas - Australia
* '' Codium pomoides'' J.Agardh - Australia
* ''Codium setchellii'' Gardn. - California (U.S.A.)
* ''Codium silvae'' Womersley - Australia
* '' Codium spinescens'' P.C.Silva & Womersley - Australia
* ''Codium spongiosum'' Harv. - Australia
* '' Codium strangulatum'' Chacana & P.C.Silva - Australia
* '' Codium taylorii'' Silva - Australia
* '' Codium repens'' ( P.Crouan & H.Crouan) Vickers
* '' Codium tenue'' ( Kütz.) Kütz. - Australia
* ''Codium tomentosum'' Stackh. - Australia

References

General references

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External links

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{{Taxonbar, from=Q1143304

Ulvophyceae genera
Marine biota of Africa
Marine biota of Europe
Marine biota of North America
Taxa named by John Stackhouse