Euastrum oblongum

Euastrum oblongum
Scientific classification Edit this classification
Clade: Viridiplantae
(unranked): Charophyta
Class: Zygnematophyceae
Order: Desmidiales
Family: Desmidiaceae
Genus: Euastrum
Species:
E. oblongum
Binomial name
Euastrum oblongum
Greville ex Ralfs[1]
Synonyms[1]
  • Echinella oblonga

Euastrum oblongum is a species of desmid, in the family Desmidiaceae.[1]

Euastrum oblongum consists of cells that are elliptic in outline, divide into two halves called semicells. The cells are typically 140–180 μm long and 65–85 μm wide. Semicells have a pair of basal lobes and a pair of lateral lobes, both with a shallow "pit" as to appear double-lobed. The apex is truncate with a deep notch. Semicells have a protuberance right above the isthmus (where the semicells are joined), as well as two more protuberances in the center of the cell and one in each lobe.[2]

Euastrum oblongum occurs in mesotrophic waters.[2] It has a widespread distribution, and has been recorded from around the world.[1]

References

  1. ^ a b c d Guiry, M.D.; Guiry, G.M. "Euastrum oblongum". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.
  2. ^ a b Coesel, Peter; Meesters, Koos (2007). Desmids of the Lowlands – Mesotaeniaceae and Desmidiaceae of the European Lowlands. Zeist, the Netherlands: KNNV Publishing. ISBN 978-90-5011-265-9.


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