''Cosmarium'' is a
genus of fresh water organisms belonging to the
Charophyta, a division of
green algae
The green algae (singular: green alga) are a group consisting of the Prasinodermophyta and its unnamed sister which contains the Chlorophyta and Charophyta/Streptophyta. The land plants (Embryophytes) have emerged deep in the Charophyte alga as ...
from which the land plants (
Embryophyta) emerged.
Description
In this complex genus the cells are very variable. All are constricted in the middle leading to its bi-lobed appearance.
[Guiry, M.D., John, D.M., Rindi, F. and McCarthy, Y.K.2007. ''New Survey of Clare Island Volume 6: The Freshwater and Terrestrial Algae.'' Royal Irish Academy. ]
File:Cosmarium sp..JPG
File:Cosmarium EPA.jpg
References
External links
*
Desmidiaceae
Charophyta genera
{{green algae-stub