''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'' Kützing, 1849 *'' Plocamium angustum'' (J.Agardh) J.D.Hooker & Harvey, 1847 *'' Plocamium beckeri'' F.Schmitz ex Simons, 1964 *'' Plocamium brachiocarpum'' Kützing, 1849 *'' Plocamium brasiliense'' (Greville) M.A.Howe & W.R.Taylor, 1931 *'' Plocamium cartilagineum'' (Linnaeus) P.S.Dixon, 1967 *'' Plocamium cirrhosum'' (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'' (Turner) Harvey, 1849 *'' Plocamium cruciferum'' 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'' M.J.Wynne, 2002 *'' Plocamium fuscorubrum'' Baardseth, 1941 *'' Plocamium glomeratum'' 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'' Doty, 1947 *'' Plocamium ovicornis'' Okamura, 1896 *'' Plocamium patagiatum'' J.Agardh, 1894 *'' Plocamium patens'' G.Martens, 1868 *'' Plocamium preissianum'' Sonder, 1845 *'' Plocamium raphelisianum'' P.J.L.Dangeard, 1949 *'' Plocamium recurvatum'' Okamura, 1913 *'' Plocamium rigidum'' Bory de Saint-Vincent, 1834 *'' Plocamium sandvicense'' J.Agardh, 1892 *'' Plocamium secundatum''(Kützing) Kützing, 1866 *'' Plocamium serratulum'' Okamura *'' Plocamium serrulatum''Okamura, 1932 *'' Plocamium suhrii'' Kützing, 1849 *'' Plocamium telfairiae'' (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'' Areschoug *'' Plocamium froelichianum'' Kützing *'' Plocamium subtile'' Kützing, 1866

References

{{Taxonbar, from=Q7205050 Red algae genera Florideophyceae