''Plocamium'' is a

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 ...

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 ...

in the family Plocamiaceae. It contains around 40 species and has a

cosmopolitan distribution In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The ext ...

in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical

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 ...

that grow up to in length. They are bright red in color with strongly flattened delicately branching fronds that further divide into two to five smaller branchlets. Species classified under the genus include the following: ;Accepted species: *''

Plocamium affine ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' Kützing, 1849 *''

Plocamium angustum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' (J.Agardh) J.D.Hooker & Harvey, 1847 *'' Plocamium beckeri'' F.Schmitz ex Simons, 1964 *''

Plocamium brachiocarpum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' Kützing, 1849 *''

Plocamium brasiliense ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' (Greville) M.A.Howe & W.R.Taylor, 1931 *''

Plocamium cartilagineum ''Plocamium cartilagineum'' is a medium-sized red marine alga. Description ''Plocamium cartilagineum'' is an erect red alga growing to 10 cm in length. The main axes is flattened with regular flattened branches on both sides. The branches ...

'' (Linnaeus) P.S.Dixon, 1967 *''

Plocamium cirrhosum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical th ...

'' (Turner) M.J.Wynne, 2002 *''

Plocamium corallorhiza ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' (Turner) J.D.Hooker & Harvey, 1845 *''

Plocamium cornutum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' (Turner) Harvey, 1849 *''

Plocamium cruciferum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' Harvey, 1855 *''

Plocamium delicatulum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' Baardseth, 1941 *'' Plocamium dilatatum'' J.Agardh, 1876 *''

Plocamium fimbriatum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' M.J.Wynne, 2002 *''

Plocamium fuscorubrum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical th ...

'' Baardseth, 1941 *''

Plocamium glomeratum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' J.Agardh, 1851 *''

Plocamium hamatum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' J.Agardh, 1876 *''

Plocamium hookeri ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' Harvey, 1845 *''

Plocamium leptophyllum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' Kützing, 1849 *''

Plocamium maggsiae ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' G.W.Saunders & K.V.Lehmkuhl, 2005 *''

Plocamium maxillosum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' (Poiret) J.V.Lamouroux, 1813 *''

Plocamium mertensii ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' (Greville) Harvey, 1847 *''

Plocamium microcladioides ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' G.R.South & N.M.Adams, 1979 *''

Plocamium minutum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' Levring, 1944 *''

Plocamium nanum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' G.W.Saunders & K.V.Lehmkuhl, 2005 *''

Plocamium oregonum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' Doty, 1947 *'' Plocamium ovicornis'' Okamura, 1896 *''

Plocamium patagiatum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' J.Agardh, 1894 *'' Plocamium patens'' G.Martens, 1868 *''

Plocamium preissianum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' Sonder, 1845 *''

Plocamium raphelisianum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' P.J.L.Dangeard, 1949 *'' Plocamium recurvatum'' Okamura, 1913 *''

Plocamium rigidum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' Bory de Saint-Vincent, 1834 *''

Plocamium sandvicense ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' J.Agardh, 1892 *''

Plocamium secundatum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

''(Kützing) Kützing, 1866 *''

Plocamium serratulum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' Okamura *''

Plocamium serrulatum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

''Okamura, 1932 *''

Plocamium suhrii ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' Kützing, 1849 *''

Plocamium telfairiae ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' (W.J.Hooker & Harvey) Harvey ex Kützing, 1849 *'' Plocamium violaceum'' Farlow, 1877 ;''

Nomina dubia In binomial nomenclature, a ''nomen dubium'' (Latin for "doubtful name", plural ''nomina dubia'') is a scientific name that is of unknown or doubtful application. Zoology In case of a ''nomen dubium'' it may be impossible to determine whether a s ...

:'' *''

Plocamium concinnum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' Areschoug *''

Plocamium froelichianum ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' Kützing *''

Plocamium subtile ''Plocamium'' is a genus of red algae in the family Plocamiaceae. It contains around 40 species and has a cosmopolitan distribution in temperate seas, although it is most diverse in the southern hemisphere. ''Plocamium'' has erect elliptical ...

'' Kützing, 1866

References

{{Taxonbar, from=Q7205050 Red algae genera Florideophyceae