Biology:Gongrosira

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Gongrosira is a genus of green algae in the family Chaetophoraceae.[1] Species of this genus often form dense green cushions on stones, shells, or aquatic plants; rarely they are terrestrial.[2]

Gongrosira consists of a prostrate and an erect system of filaments, attached to a substrate. The prostrate system is generally pseudoparenchymatous, and may be single- or multi-layered. The erect filaments are short and terminate in blunt tips. Cells are cylindrical, with a parietal chloroplast and one to several pyrenoids. Asexual reproduction occurs via zoospores, aplanospores or akinetes. Zoospores are biflagellate and ovoid with a stigma.[2][1]

The genus Gongrosira is taxonomically problematic, because many species are distinguished based on characters that are variable and/or have significant overlap with each other,[2] and disagreement about the taxonomic placement of some species.[3]

References

  1. 1.0 1.1 Cite error: Invalid <ref> tag; no text was provided for refs named Algaebase
  2. 2.0 2.1 2.2 John, David M.; Rindi, Fabio (2014). "Chapter 8. Filamentous (Nonconjugating) and Plantlike Green Algae". Freshwater Algae of North America: Ecology and Classification (2 ed.). Elsevier Inc.. ISBN 978-0-12-385876-4. 
  3. Bicudo, Carlos E. M.; Menezes, Mariângela (2006). Gêneros de Algas de Águas Continentais do Brasil: chave para identificação e descrições (2 ed.). RiMa Editora. pp. 508. ISBN 857656064X. 

Wikidata ☰ Q5581793 entry