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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.226.103500" ID-Pensoft-Pub="1314-2003-226-33" ID-Pensoft-UUID="7ACDC9791B575F5E9AFE954DE6D6C185" ModsDocID="1314-2003-226-33" checkinTime="1683649920426" checkinUser="pensoft" docAuthor="Levanets, Anatoliy &amp; Janse van Vuuren, Sanet" docDate="2023" docId="8D9EA9775E315F5E90C550994A065912" docLanguage="en" docName="PhytoKeys 226: 33-51" docOrigin="PhytoKeys 226" docPubDate="2023-05-09" docSource="http://dx.doi.org/10.3897/phytokeys.226.103500" docTitle="M. foliacea subsp. var. var. quadrinflata Scott &amp; Prescott 1961" docType="treatment" docVersion="1" id="7ACDC9791B575F5E9AFE954DE6D6C185" lastPageNumber="33" masterDocId="7ACDC9791B575F5E9AFE954DE6D6C185" masterDocTitle="Morphology, taxonomy, biogeography and ecology of Micrasterias foliacea Bailey ex Ralfs (Desmidiales, Zygnematophyceae)" masterLastPageNumber="51" masterPageNumber="33" pageNumber="33" updateTime="1683649920426" updateUser="pensoft">
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<mods:title>Morphology, taxonomy, biogeography and ecology of Micrasterias foliacea Bailey ex Ralfs (Desmidiales, Zygnematophyceae)</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Levanets, Anatoliy</mods:namePart>
<mods:affiliation>Unit for Environmental Sciences and Management, North-West University, Private Bag X 6001, Potchefstroom, 2520, South Africa</mods:affiliation>
<mods:nameIdentifier type="email">20868421@nwu.ac.za</mods:nameIdentifier>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Janse van Vuuren, Sanet</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5361-9905</mods:nameIdentifier>
<mods:affiliation>Unit for Environmental Sciences and Management, North-West University, Private Bag X 6001, Potchefstroom, 2520, South Africa</mods:affiliation>
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<mods:title>PhytoKeys</mods:title>
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<mods:date>2023</mods:date>
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<mods:number>2023-05-09</mods:number>
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<mods:number>226</mods:number>
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<mods:start>33</mods:start>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.226.103500</mods:url>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.226.103500</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-226-33</mods:identifier>
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<treatment LSID="urn:lsid:plazi:treatment:8D9EA9775E315F5E90C550994A065912" httpUri="http://treatment.plazi.org/id/8D9EA9775E315F5E90C550994A065912" lastPageNumber="33" pageId="0" pageNumber="33">
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7.
<taxonomicName LSID="8D9EA977-5E31-5F5E-90C5-50994A065912" authority="Scott &amp; Prescott, 1961" authorityName="Scott &amp; Prescott" authorityYear="1961" family="Desmidiaceae" higherTaxonomySource="treatment-meta" kingdom="Plantae" lsidName="M. foliacea subsp. var. var. quadrinflata" order="Desmidiales" pageId="0" pageNumber="33" rank="variety" species="foliacea" subSpecies="var." variety="quadrinflata">M. foliacea var. quadrinflata Scott &amp; Prescott, 1961</taxonomicName>
</paragraph>
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<subSubSection pageId="0" pageNumber="33" type="reference_group">
<paragraph pageId="0" pageNumber="33">
<taxonomicName family="Desmidiaceae" higherTaxonomySource="treatment-meta" kingdom="Plantae" lsidName="M. foliacea" order="Desmidiales" pageId="0" pageNumber="33" rank="species" species="foliacea">M. foliacea</taxonomicName>
var.
<taxonomicName class="Conjugatophyceae" family="Desmidiaceae" genus="Micrasterias" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Micrasterias foliacea var. quadrinflata" order="Desmidiales" pageId="0" pageNumber="33" phylum="Charophyta" rank="variety" species="foliacea" variety="quadrinflata">Micrasterias foliacea quadrinflata</taxonomicName>
Scott &amp; Prescott, 1961.
<normalizedToken originalValue="“Hydrobiologia”">&quot;Hydrobiologia&quot;</normalizedToken>
17(1-2): 48, Pl. 15, figs 5-8.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="33" type="morphology">
<paragraph pageId="0" pageNumber="33">Morphology.</paragraph>
<paragraph pageId="0" pageNumber="33">
<taxonomicName authorityName="Scott &amp; Prescott" authorityYear="1961" family="Desmidiaceae" kingdom="Plantae" lsidName="M. foliacea subsp. var. var. quadrinflata" order="Algae" pageId="0" pageNumber="33" rank="variety" species="foliacea" subSpecies="var." variety="quadrinflata">M. foliacea var. quadrinflata</taxonomicName>
differs from the type in having two large, prominent semi-ellipsoidal hollow swellings at the base of the lateral lobes, each bearing a long spine at the narrow ends. In addition, there may or may not be, four other long spines on each semicell, two adjacent to each of the swellings. Cells are 69-72
<normalizedToken originalValue="μm">μm</normalizedToken>
long and 63-72
<normalizedToken originalValue="μm">μm</normalizedToken>
wide. The isthmus is 12
<normalizedToken originalValue="μm">μm</normalizedToken>
wide and the teeth are 15-18
<normalizedToken originalValue="μm">μm</normalizedToken>
long (
<bibRefCitation DOI="https://doi.org/10.1007/BF00040416" author="Scott, AM" journalOrPublisher="Hydrobiologia" pageId="0" pageNumber="33" pagination="1 - 132" refId="B59" refString="Scott, AM, Prescott, GW, 1961. Indonesian Desmids. Hydrobiologia 17 (1-2): 1 - 132, DOI: https://doi.org/10.1007/BF00040416" title="Indonesian Desmids." url="https://doi.org/10.1007/BF00040416" volume="17" year="1961">Scott and Prescott 1961</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="33" type="distribution">
<paragraph pageId="0" pageNumber="33">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="33">
The distribution of this variety is plotted in Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Worldwide distribution of different varieties of Micrasterias foliacea." figureDoi="10.3897/phytokeys.226.103500.figure2" httpUri="https://binary.pensoft.net/fig/847713" pageId="0" pageNumber="33">2</figureCitation>
(with more detailed information in Suppl. material 2). It is limited to the Hindustan and Indochina peninsulas and Indonesian archipelago and was recorded from India, Indonesia, Malaysia and Thailand.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="33" type="habitat">
<paragraph pageId="0" pageNumber="33">Habitats and ecology.</paragraph>
<paragraph pageId="0" pageNumber="33">
Variety
<taxonomicName class="Conjugatophyceae" family="Desmidiaceae" genus="Micrasterias" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Micrasterias quadrinflata" order="Desmidiales" pageId="0" pageNumber="33" phylum="Charophyta" rank="species" species="quadrinflata">
<emphasis italics="true" pageId="0" pageNumber="33">Micrasterias quadrinflata</emphasis>
</taxonomicName>
was found in freshwater lakes, rivers, reservoirs, swamps and wetlands (India, Indonesia and Malaysia), as well as in a rice paddy field in Thailand.
</paragraph>
<paragraph pageId="0" pageNumber="33">
In Malaysia, the shallow parts and edges of the Tasek Bera swamp lake were covered with
<taxonomicName class="Liliopsida" family="Cyperaceae" genus="Lepironia" kingdom="Plantae" lsidName="Lepironia articulata" order="Poales" pageId="0" pageNumber="33" phylum="Tracheophyta" rank="species" species="articulata">
<emphasis italics="true" pageId="0" pageNumber="33">Lepironia articulata</emphasis>
</taxonomicName>
associations. Aquatic plants such as
<taxonomicName class="Magnoliopsida" family="Lentibulariaceae" genus="Utricularia" kingdom="Plantae" lsidName="Utricularia" order="Lamiales" pageId="0" pageNumber="33" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="33">Utricularia</emphasis>
</taxonomicName>
spp.,
<taxonomicName class="Liliopsida" family="Hydrocharitaceae" genus="Hydrilla" kingdom="Plantae" lsidName="Hydrilla" order="Alismatales" pageId="0" pageNumber="33" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="33">Hydrilla</emphasis>
</taxonomicName>
sp.,
<taxonomicName class="Magnoliopsida" family="Menyanthaceae" genus="Nymphoides" kingdom="Plantae" lsidName="Nymphoides indica" order="Asterales" pageId="0" pageNumber="33" phylum="Tracheophyta" rank="species" species="indica">
<emphasis italics="true" pageId="0" pageNumber="33">Nymphoides indica</emphasis>
</taxonomicName>
and
<taxonomicName class="Liliopsida" family="Pandanaceae" genus="Pandanus" kingdom="Plantae" lsidName="Pandanus helicopus" order="Pandanales" pageId="0" pageNumber="33" phylum="Tracheophyta" rank="species" species="helicopus">
<emphasis italics="true" pageId="0" pageNumber="33">Pandanus helicopus</emphasis>
</taxonomicName>
were present in still water areas, while
<taxonomicName class="Magnoliopsida" family="Lentibulariaceae" genus="Utricularia" kingdom="Plantae" lsidName="Utricularia" order="Lamiales" pageId="0" pageNumber="33" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="33">Utricularia</emphasis>
</taxonomicName>
sp.,
<taxonomicName class="Liliopsida" family="Araceae" genus="Cryptocoryne" kingdom="Plantae" lsidName="Cryptocoryne griffithii" order="Alismatales" pageId="0" pageNumber="33" phylum="Tracheophyta" rank="species" species="griffithii">
<emphasis italics="true" pageId="0" pageNumber="33">Cryptocoryne griffithii</emphasis>
</taxonomicName>
,
<taxonomicName class="Liliopsida" family="Cyperaceae" genus="Scirpus" kingdom="Plantae" lsidName="Scirpus confervoides" order="Poales" pageId="0" pageNumber="33" phylum="Tracheophyta" rank="species" species="confervoides">
<emphasis italics="true" pageId="0" pageNumber="33">Scirpus confervoides</emphasis>
</taxonomicName>
and
<taxonomicName class="Liliopsida" family="Pandanaceae" genus="Pandanus" kingdom="Plantae" lsidName="Pandanus helicopus" order="Pandanales" pageId="0" pageNumber="33" phylum="Tracheophyta" rank="species" species="helicopus">
<emphasis italics="true" pageId="0" pageNumber="33">Pandanus helicopus</emphasis>
</taxonomicName>
were present in running water (
<bibRefCitation author="Ratnasabapathy, M" journalOrPublisher="The Bulletin of the Japanese Society of Phycology (Sorui)" pageId="0" pageNumber="33" pagination="22 - 28" refId="B54" refString="Ratnasabapathy, M, Kumano, S, 1974. Desmids from Tasek Bera, West Malaysia. The Bulletin of the Japanese Society of Phycology (Sorui) 22 (1): 22 - 28" title="Desmids from Tasek Bera, West Malaysia." volume="22" year="1974">Ratnasabapathy and Kumano 1974</bibRefCitation>
). At the time of sampling the temperatures ranged between 23.4 and 33.4 °C (in still water) and between 23.8 and 26.9 °C (in running water) and the pH ranged between 4.7 and 5.3
<bibRefCitation author="Ratnasabapathy, M" journalOrPublisher="The Bulletin of the Japanese Society of Phycology (Sorui)" pageId="0" pageNumber="33" pagination="22 - 28" refId="B54" refString="Ratnasabapathy, M, Kumano, S, 1974. Desmids from Tasek Bera, West Malaysia. The Bulletin of the Japanese Society of Phycology (Sorui) 22 (1): 22 - 28" title="Desmids from Tasek Bera, West Malaysia." volume="22" year="1974">Ratnasabapathy and Kumano 1974</bibRefCitation>
). In South Sumatra it was also found in acidic waters in Lebak Danau (pH between 5.0 and 5.5;
<bibRefCitation DOI="https://doi.org/10.1007/BF00040416" author="Scott, AM" journalOrPublisher="Hydrobiologia" pageId="0" pageNumber="33" pagination="1 - 132" refId="B59" refString="Scott, AM, Prescott, GW, 1961. Indonesian Desmids. Hydrobiologia 17 (1-2): 1 - 132, DOI: https://doi.org/10.1007/BF00040416" title="Indonesian Desmids." url="https://doi.org/10.1007/BF00040416" volume="17" year="1961">Scott and Prescott 1961</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
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