Ulothrix aequalis

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Ulothrix aequalis
Ulothrix aequalis as Hormiscia cateniformis in Cooke 1884.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Clade: Viridiplantae
Division: Chlorophyta
Class: Ulvophyceae
Order: Ulotrichales
Family: Ulotrichaceae
Genus: Ulothrix
Species:
U. aequalis
Binomial name
Ulothrix aequalis
Kützing [1]

Ulothrix aequalis is a species of green algae. It is a freshwater species, typically found in running waters. It has been reported from Europe, the Americas, Asia, and New Zealand. [1]

Description

Ulothrix aequalis is consists of uniseriate filaments of cells. The cells are cylindrical, 12–22 microns broad and 26–30 microns long. They are attached a cell or rhizoids at the base. [2] The cell wall is more or less thickened and often striated. Cells each contain a broad, girdle-shaped chloroplast which covers at least half of the cell circumference; the chloroplast has one or two pyrenoids. [1]

Asexual reproduction is by zoospores or aplanospores. Akinetes are also produced, and they lack distinct ornamentation. Sexual reproduction is via biflagellate gametes. [1]

References

  1. 1 2 3 4 Škaloud, Pavel; Rindi, Fabio; Boedeker, Christian; Leliaert, Frederik (2018). Chlorophyta: Ulvophyceae. Süßwasserflora von Mitteleuropa. Vol. 13. Berlin, Germany: Springer Spektrum. pp. i–x, 1–289. doi:10.1007/978-3-662-55495-1. ISBN   978-3-662-55494-4.
  2. ↑ Guiry, M.D., John, D.M. Rindi, F. and McCathy, T.K. (Ed) 2007. New Survey of Clare Island Volume 6: The Freshwater and Terrestrial Algae Royal Irish Academy. ISBN   978-1-904890-31-7


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