''Prasiola'' is a
genus of
fresh water
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 ...
and
marine
Marine is an adjective meaning of or pertaining to the sea or ocean.
Marine or marines may refer to:
Ocean
* Maritime (disambiguation)
* Marine art
* Marine biology
* Marine debris
* Marine habitats
* Marine life
* Marine pollution
Military
* ...
green algae. Each individual plant is small but they usually grow side by side to form a green turf on rock surfaces. The genus 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 ...
.
Occurrence
Freshwater species in this genus are common in cold water streams.
Reproduction
Asexual reproduction
Asexual reproduction is a type of reproduction that does not involve the fusion of gametes or change in the number of chromosomes. The offspring that arise by asexual reproduction from either unicellular or multicellular organisms inherit the fu ...
occurs by fragmentation or spores. While in
sexual reproduction both male and female gametes are produced on the same
thalli.
Species
There are about 25 species in the genus.
Prasiola calophylla
''Prasiola calophylla'' is a species of algae.
It is one of the few marcoalgae species that can survive extreme temperatures.
The species was first described by Captain Carmichael in Lismore, Scotland.
Occurrence
It typically occurs on damp ...
''
*''Prasiola crispa
''Prasiola crispa'' is a small terrestrial green alga. Taxonomy
The species, first described as ''Ulva crispa'' Lightfoot, is the type of the genus ''Prasiola.''
A lectotype was nominated for the species, the type location of which was provid ...
''
*'' Prasiola fangchengensis''
*'' Prasiola flotowii''
*''Prasiola furfuracea
''Prasiola furfuracea'' is a small green alga that grows terrestrially.
Description
This small alga is dark green and grows to no more than 2 mm long. The frond is membranous, one cell thick, and fan shaped. It is attached by a short stipe, ...
''
*'' Prasiola meridionalis''
*''Prasiola minuta
''Prasiola'' is a genus of fresh water and marine green algae. Each individual plant is small but they usually grow side by side to form a green turf on rock surfaces. The genus has a cosmopolitan distribution.
Occurrence
Freshwater species i ...
''
*'' Prasiola novaezelandiae''
*'' Prasiola snareana''
*'' Prasiola sneareana''
*'' Prasiola stipitata''
*'' Prasiola volcanica''
*'' Prasiola linearis''
*'' Prasiola sinica''
*'' Prasiola tibetica''
*'' Prasiola yunnanica''
References
External links
Trebouxiophyceae genera
Prasiolales
{{green algae-stub