''Actinastrum'' 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 ...

of mostly freshwater single-celled Eukaryotes, first described by Gustaf Lagerheim in 1882. Studies since 2002 have placed Actinastrum as either sister to or a subgrouping within

Chlorella ''Chlorella'' is a genus of about thirteen species of single-celled green algae belonging to the division Chlorophyta. The cells are spherical in shape, about 2 to 10 μm in diameter, and are without flagella. Their chloroplasts contain the ...

, a

Charophyte Charophyta () is a group of freshwater green algae, called charophytes (), sometimes treated as a phylum, division, yet also as a superdivision or an unranked clade. The terrestrial plants, the Embryophyta emerged within Charophyta, possibly fro ...

green alga genus in the family

Chlorellaceae Chlorellaceae are a family (biology), family of green algae in the order Chlorellales.See the National Center for Biotechnology Information, NCBI]webpage on Chlorellaceae Data extracted from the This genus includes some important emerging path ...

References

External links

Trebouxiophyceae genera Chlorellaceae {{Green algae-stub