Taxonomic diversity of Hydrodictyaceae (Sphaeropleales, Chlorophyceae) in Goiás state, Brazil

Abstract The Hydrodictyaceae family comprises unicellular to colonial organisms found mainly in lentic freshwater, oligotrophic or eutrophic freshwater environments. We investigated and documented the occurrence, frequency, and geographical distribution of Hydrodictyaceae in Goiás state, Brazil. A t...

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Main Authors: Yris Nara da Silva Santos, Ina de Souza Nogueira
Format: Article
Language:English
Published: Instituto de Pesquisas Jardim Botânico do Rio de Janeiro 2025-08-01
Series:Rodriguésia
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Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2175-78602025000100217&tlng=en
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author Yris Nara da Silva Santos
Ina de Souza Nogueira
author_facet Yris Nara da Silva Santos
Ina de Souza Nogueira
author_sort Yris Nara da Silva Santos
collection DOAJ
description Abstract The Hydrodictyaceae family comprises unicellular to colonial organisms found mainly in lentic freshwater, oligotrophic or eutrophic freshwater environments. We investigated and documented the occurrence, frequency, and geographical distribution of Hydrodictyaceae in Goiás state, Brazil. A total of 14 infrageneric taxa were identified there, including 10 species, 3 varieties, and 1 taxonomic form, all of which were rare. Pediastrum duplex var. duplex f. cohaerens and Pediastrum argentinense were observed in oligo- or mesotrophic aquatic environments, while Sorastrum americanum was found in eutrophic waters. Notably, taxa such as Lacunastrum gracillimum, Parapediastrum biradiatum var. biradiatum, and P. duplex var. duplex f. cohaerens demonstrated significant plasticity both in their natural habitats and under laboratory conditions. We discuss here the taxonomic implications of findings concerning these species as well as others within the family Hydrodictyaceae.
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spelling doaj-art-e7a4b49bbcf7486d85c571e2151fbd022025-08-26T07:43:50ZengInstituto de Pesquisas Jardim Botânico do Rio de JaneiroRodriguésia2175-78602025-08-017610.1590/2175-7860202576021Taxonomic diversity of Hydrodictyaceae (Sphaeropleales, Chlorophyceae) in Goiás state, BrazilYris Nara da Silva Santoshttps://orcid.org/0000-0002-1377-8837Ina de Souza Nogueirahttps://orcid.org/0000-0003-4908-6442Abstract The Hydrodictyaceae family comprises unicellular to colonial organisms found mainly in lentic freshwater, oligotrophic or eutrophic freshwater environments. We investigated and documented the occurrence, frequency, and geographical distribution of Hydrodictyaceae in Goiás state, Brazil. A total of 14 infrageneric taxa were identified there, including 10 species, 3 varieties, and 1 taxonomic form, all of which were rare. Pediastrum duplex var. duplex f. cohaerens and Pediastrum argentinense were observed in oligo- or mesotrophic aquatic environments, while Sorastrum americanum was found in eutrophic waters. Notably, taxa such as Lacunastrum gracillimum, Parapediastrum biradiatum var. biradiatum, and P. duplex var. duplex f. cohaerens demonstrated significant plasticity both in their natural habitats and under laboratory conditions. We discuss here the taxonomic implications of findings concerning these species as well as others within the family Hydrodictyaceae.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2175-78602025000100217&tlng=enFloristic surveyPediastrum argentinensePediastrum duplex var. duplex f. cohaerensUnialgal culture
spellingShingle Yris Nara da Silva Santos
Ina de Souza Nogueira
Taxonomic diversity of Hydrodictyaceae (Sphaeropleales, Chlorophyceae) in Goiás state, Brazil
Rodriguésia
Floristic survey
Pediastrum argentinense
Pediastrum duplex var. duplex f. cohaerens
Unialgal culture
title Taxonomic diversity of Hydrodictyaceae (Sphaeropleales, Chlorophyceae) in Goiás state, Brazil
title_full Taxonomic diversity of Hydrodictyaceae (Sphaeropleales, Chlorophyceae) in Goiás state, Brazil
title_fullStr Taxonomic diversity of Hydrodictyaceae (Sphaeropleales, Chlorophyceae) in Goiás state, Brazil
title_full_unstemmed Taxonomic diversity of Hydrodictyaceae (Sphaeropleales, Chlorophyceae) in Goiás state, Brazil
title_short Taxonomic diversity of Hydrodictyaceae (Sphaeropleales, Chlorophyceae) in Goiás state, Brazil
title_sort taxonomic diversity of hydrodictyaceae sphaeropleales chlorophyceae in goias state brazil
topic Floristic survey
Pediastrum argentinense
Pediastrum duplex var. duplex f. cohaerens
Unialgal culture
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2175-78602025000100217&tlng=en
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