''Thorea'' is a genus of
freshwater
Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the term specifically excludes seawater and brackish water, it does include ...
algae in the Phylum Rhodophyta (
red algae
Red algae, or Rhodophyta (, ; ), are one of the oldest groups of eukaryotic algae. The Rhodophyta also comprises one of the largest phyla of algae, containing over 7,000 currently recognized species with taxonomic revisions ongoing. The majority ...
).
''Thorea'' is a small alga with filaments up to 200 cm long, dark green in colour and not red as are marine Rhodophyta. The filaments have only as few secondary branches.
''Thorea'' is distributed throughout temperate and tropical regions.
The genus was
circumscribed
In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius.
Not every polyg ...
by
Jean Baptiste Bory de Saint-Vincent
Jean-Baptiste Geneviève Marcellin Bory de Saint-Vincent was a French naturalist, officer and politician. He was born on 6 July 1778 in Agen (Lot-et-Garonne) and died on 22 December 1846 in Paris. Biologist and geographer, he was particularly in ...
in Ann. Mus. Natl. Hist. Nat. vol.12 on page 126 in 1808.
[
The genus name of ''Thorea'' is in honour of Jean Thore (1762–1823), who was a French botanist and physician who practiced medicine in the town of ]Dax
Dax or DAX may refer to:
Business and organizations
* DAX, stock market index of the top 40 German companies
** DAX 100, an expanded index of 100 stocks, superseded by the HDAX
** TecDAX, stock index of the top 30 German technology firms
* Dax ...
.
Species
As accepted by WoRMS Worms may refer to:
*Worm, an invertebrate animal with a tube-like body and no limbs
Places
*Worms, Germany, a city
**Worms (electoral district)
*Worms, Nebraska, U.S.
*Worms im Veltlintal, the German name for Bormio, Italy
Arts and entertainme ...
;Thorea clavata
''Thorea'' is a genus of freshwater algae in the Phylum Rhodophyta (red algae). ''Thorea'' is a small alga with filaments up to 200 cm long, dark green in colour and not red as are marine Rhodophyta. The filaments have only as few secondary ...
''
*''Thorea conturba
''Thorea'' is a genus of freshwater algae in the Phylum Rhodophyta (red algae). ''Thorea'' is a small alga with filaments up to 200 cm long, dark green in colour and not red as are marine Rhodophyta. The filaments have only as few secondary ...
''
*'' Thorea flagelliformis''
*'' Thorea gaudichaudii''
*'' Thorea hispida''
*'' Thorea okadae''
*'' Thorea okaidai''
*'' Thorea prowsei''
*'' Thorea riekei''
*''Thorea siamensis
''Thorea'' is a genus of freshwater algae in the Phylum Rhodophyta (red algae). ''Thorea'' is a small alga with filaments up to 200 cm long, dark green in colour and not red as are marine Rhodophyta. The filaments have only as few secondary ...
''
*''Thorea violacea
''Thorea'' is a genus of freshwater algae in the Phylum Rhodophyta (red algae). ''Thorea'' is a small alga with filaments up to 200 cm long, dark green in colour and not red as are marine Rhodophyta. The filaments have only as few secondary ...
''
*''Thorea zollingeri
''Thorea'' is a genus of freshwater algae in the Phylum Rhodophyta (red algae). ''Thorea'' is a small alga with filaments up to 200 cm long, dark green in colour and not red as are marine Rhodophyta. The filaments have only as few secondary ...
''
Former species;[
*''Thorea andina'' accepted as ''Thorea hispida'' (synonym)
*''Thorea chilensis'' accepted as '' Myriogloea chilensis'' (synonym)
*''Thorea lehmannii'' accepted as ''Thorea hispida'' (synonym)
*''Thorea ramosissima'' accepted as ''Thorea hispida'' (synonym)
]
''Thorea'' in UK
There is only one species of ''Thorea'' in the 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, ...
: ''Thorea hispida'' (Synonyms: ''Thorea anadina'' , ''T. lehmannii'' and ''T. ramosissima'' ).Co 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 ...
Mountains, going from Letterkenny to Dunfanaghy; July''. These specimens are 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 ...
(BEL: F42–F47), but proved to have been incorrectly identified and were specimens of '' Batrachospermum''.
References
{{Taxonbar, from=Q7796197
Red algae genera
Florideophyceae