Category
page 1Sphaeropleales genera
Scenedesmus
Scenedesmus is a genus of green algae, in the class Chlorophyceae. They are colonial and non-motile. They are one of the most common components of phytoplankton in freshwater habitats worldwide.
Pediastrum
Pediastrum is a genus of green algae, in the family Hydrodictyaceae. It is a photoautotrophic, nonmotile coenobial green alga that inhabits freshwater environments. The name Pediastrum comes from the Greek root words pedion, meaning "plane", and astron, meaning "star", referring to its overall shape.
Microspora
Microspora is a genus of green algae in the family Microsporaceae. Microspora was first named by Gustave Thuret in 1850. The name was used by Arthur Hill Hassall earlier in 1843, for another genus, but Thuret's genus has been conserved over Hassall's.
Ankistrodesmus
thumb|250px|right|Ankistrodesmus falcatus
Schroederia
genus of algae

Bracteacoccus
Bracteacoccus is a genus of green algae, the sole genus of the family Bracteacoccaceae. It is a terrestrial alga commonly found in soils, from the tropics to the poles.
Crucigenia
Crucigenia is a genus of green algae in the family Scenedesmaceae. It is widespread, but not often abundant, in freshwater habitats (as phytoplankton) around the world.
Kirchneriella
Kirchneriella is a genus of green algae in the family Selenastraceae. It is found in freshwater habitats, as phytoplankton or metaphyton.
Raphidocelis
Raphidocelis is a genus of green algae in the family Selenastraceae. They are found in freshwater habitats.
Treubaria
Treubaria is a genus of microscopic green algae, the sole genus in the family Treubariaceae. Treubaria is found in freshwater habitats and has a cosmopolitan distribution.
Sphaeroplea
Sphaeroplea is a genus of green algae in the family Sphaeropleaceae. It was first circumscribed by the Swedish botanist Carl Adolph Agardh in 1824.
Ankyra
Ankyra is a genus of green algae in the family Characiaceae. This genus of algae is closely related to Atractomorpha and Sphaeroplea. They are found in stagnant waters.
Coelastrum
Coelastrum is a genus of green algae in the Scenedesmaceae family. It is a common component of the phytoplankton in freshwater habitats such as ponds, lakes, waterfalls, and temporary pools of water, particularly eutrophic ones. The genus has a more or less cosmopolitan distribution, although some species appear to have more restricted geographical distributions. The name comes from the Greek terms koilos, meaning hollow, and astron, meaning star.
Monoraphidium
Monoraphidium is a genus of green algae in the family Selenastraceae. Monoraphidium is found free-floating or attached to surfaces in water, or in soils. It is one of the most common types of phytoplankton in freshwater habitats, and has a cosmopolitan distribution.
Pseudomuriella
Pseudomuriella is a genus of green algae in the class Chlorophyceae. It is the sole genus of the family Pseudomuriellaceae. It is a terrestrial alga that inhabits soils.
Dictyochloris
Dictyochloris is a genus of green algae in the class Chlorophyceae. It is the sole genus of the family Dictyochloridaceae. It is commonly found in terrestrial and subaerial habitats.
Desmodesmus
Desmodesmus is a genus of green algae in the family Scenedesmaceae.
Selenastrum
Selenastrum is a genus of green algae in the family Selenastraceae. It is common in freshwater habitats around the world. Most species prefer temperate or warm-temperate waters.
Lanceola
Lanceola is a genus of green algae in the family Characiaceae, containing a single species, Lanceola spatulifera. It is found in freshwater habitats.
Quadrigula
Quadrigula is a genus of green algae in the family Selenastraceae. It is commonly found in freshwater habitats as phytoplankton.
Nephrocytium
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Asterarcys
Asterarcys is a genus of green algae in the family Scenedesmaceae. It contains a single species, Asterarcys quadricellularis, also spelled as Asterarcys quadricellulare.
Characium
Characium is a genus of green algae in the family Characiaceae. It is very commonly found in freshwater habitats, where it is attached to phytoplankton or zooplankton.
Stauridium
Stauridium is a genus of green algae in the family Hydrodictyaceae. It is very common in freshwater regions throughout the world.
Mychonastes
Mychonastes is a genus of green algae, specifically of the Chlorophyceae. It is the sole genus of the family Mychonastaceae.

Actidesmium
Actidesmium is a small genus of green algae in the family Characiaceae. It was described by the German phycologist Paul Friedrich Reinsch in 1875.
Echinosphaeridium
Echinosphaeridium is a genus of green algae in the family Neochloridaceae. It is found in freshwater habitats, but it is very rare. It has only been recorded a few times since its original discovery in Sweden.
Gloeocystis
Gloeocystis is a genus of green algae in the family Radiococcaceae.