Parachlorella

Parachlorella is a genus of green algae in the order Chlorellales.^[2] The genus Parachlorella is more or less indistinguishable from the similar genus Chlorella using morphological features alone; the two genera differ genetically, and can be identified using their 18S ribosomal RNA.^[1]

Parachlorella
Scientific classification
Clade:	Viridiplantae
Division:	Chlorophyta
Class:	Trebouxiophyceae
Order:	Chlorellales
Family:	Chlorellaceae
Genus:	Parachlorella L.Krienitz, E.H.Hegewald, D.Hepperle, V.A.R.Huss, T.Rohr & M.Wolf
Type species
Parachlorella beijerinckii L.Krienitz, E.H.Hegewald, D.Hepperle, V.A.R.Huss, T.Rohr & M.Wolf[1]
Species
Parachlorella kessleri Parachlorella beijerinckii Parachlorella hussii

Parachlorella consists of solitary, egg-shaped to spherical cells, sometimes covered in a gelatinous layer. The chloroplast is parietal and contains a broadly elliptical pyrenoid sheathed in grains of starch. Reproduction occurs through autospores. It is found in freshwater habitats, or soil.^[1]