311 lines
34 KiB
XML
311 lines
34 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.88.14612" ID-PMC="PMC5672134" ID-Pensoft-Pub="1314-2003-88-39" ID-Pensoft-UUID="FFD59609FFA56F415B5E0237FF86FF8A" ID-PubMed="29118646" ID-Zenodo-Dep="1138187" ModsDocID="1314-2003-88-39" checkinTime="1507734428936" checkinUser="pensoft" docAuthor="Mora, Demetrio, Carmona, Javier, Jahn, Regine, Zimmermann, Jonas & Abarca, Nelida" docDate="2017" docId="06F1618D8A955DC2BD892DE69F05B735" docLanguage="en" docName="PhytoKeys 88: 39-69" docOrigin="PhytoKeys 88" docPubDate="2017-10-11" docSource="http://dx.doi.org/10.3897/phytokeys.88.14612" docTitle="Brachysira altepetlensis D. Mora, R. Jahn & N. Abarca 2017, sp. nov." docType="treatment" docVersion="4" id="FFD59609FFA56F415B5E0237FF86FF8A" lastPageNumber="41" masterDocId="FFD59609FFA56F415B5E0237FF86FF8A" masterDocTitle="Epilithic diatom communities of selected streams from the Lerma-Chapala Basin, Central Mexico, with the description of two new species" masterLastPageNumber="69" masterPageNumber="39" pageNumber="41" updateTime="1668142101972" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Epilithic diatom communities of selected streams from the Lerma-Chapala Basin, Central Mexico, with the description of two new species</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Mora, Demetrio</mods:namePart>
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<mods:affiliation>Botanischer Garten und Botanisches Museum Berlin-Dahlem, Freie Universitaet Berlin, Koenigin-Luise-Strasse 6 - 8, 14195 Berlin, Germany</mods:affiliation>
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<mods:nameIdentifier type="email">demetriomora@gmail.com</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Carmona, Javier</mods:namePart>
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<mods:affiliation>Facultad de Ciencias, Universidad Nacional Autonoma de Mexico, Circuito Exterior s / n, Ciudad Universitaria, Coyoacan, 04510 Mexico, D. F., Mexico</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Jahn, Regine</mods:namePart>
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<mods:affiliation>Botanischer Garten und Botanisches Museum Berlin-Dahlem, Freie Universitaet Berlin, Koenigin-Luise-Strasse 6 - 8, 14195 Berlin, Germany</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Zimmermann, Jonas</mods:namePart>
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<mods:affiliation>Botanischer Garten und Botanisches Museum Berlin-Dahlem, Freie Universitaet Berlin, Koenigin-Luise-Strasse 6 - 8, 14195 Berlin, Germany</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Abarca, Nelida</mods:namePart>
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<mods:affiliation>Botanischer Garten und Botanisches Museum Berlin-Dahlem, Freie Universitaet Berlin, Koenigin-Luise-Strasse 6 - 8, 14195 Berlin, Germany</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2017</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2017-10-11</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>88</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>39</mods:start>
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<mods:end>69</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.88.14612</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.88.14612</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-88-39</mods:identifier>
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<mods:identifier type="Pensoft-UUID">FFD59609FFA56F415B5E0237FF86FF8A</mods:identifier>
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<mods:identifier type="Zenodo-Dep">1138187</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182225755" LSID="urn:lsid:plazi:treatment:06F1618D8A955DC2BD892DE69F05B735" httpUri="http://treatment.plazi.org/id/06F1618D8A955DC2BD892DE69F05B735" lastPageNumber="41" pageId="2" pageNumber="41">
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<subSubSection pageId="2" pageNumber="41" type="nomenclature">
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<paragraph pageId="2" pageNumber="41">
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<taxonomicName LSID="06F1618D-8A95-5DC2-BD89-2DE69F05B735" authority="D. Mora, R. Jahn & N. Abarca" authorityName="D. Mora, R. Jahn & N. Abarca" authorityYear="2017" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="treatment-meta" kingdom="Plantae" lsidName="Brachysira altepetlensis" order="Naviculales" pageId="2" pageNumber="41" phylum="Bacillariophyta" rank="species" species="altepetlensis" status="sp. nov.">Brachysira altepetlensis D.Mora, R.Jahn & N.Abarca</taxonomicName>
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<taxonomicNameLabel pageId="2" pageNumber="41">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figures 118–132" captionStartId="F5" captionText="Figures 118 - 132. Brachysira altepetlensis D. Mora, R. Jahn & N. Abarca, sp. nov. LM (118 - 128) and SEM (129 - 132). 118 - 123 type material, from Paredones stream, Guanajuato, Mexico, collected on 07.09.2014 121 designated as holotype 124 - 125 collected from type location but on 06.10.2013 126 - 128 collected from type location but on 09.02.2014 129 - 132 from type material: 129 - 130 external view of entire valves 131 external view of an entire valve showing elongated areolae in the valve mantle 132 internal view of entire valve, showing occlusion of the areolae by hymens. The arrow points at Voigt discontinuity. Scale bars 10 μm (118 - 128); 5 μm (129 - 132)." figureDoi="10.3897/phytokeys.88.14612.figures118-132" httpUri="https://binary.pensoft.net/fig/160744" pageId="2" pageNumber="41">Figs 118-132</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="41" type="holotype">
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<paragraph pageId="2" pageNumber="41">Holotype.</paragraph>
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<paragraph pageId="2" pageNumber="41">
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B 40 0042006; Figure
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<figureCitation captionStart="Figures 118–132" captionStartId="F5" captionText="Figures 118 - 132. Brachysira altepetlensis D. Mora, R. Jahn & N. Abarca, sp. nov. LM (118 - 128) and SEM (129 - 132). 118 - 123 type material, from Paredones stream, Guanajuato, Mexico, collected on 07.09.2014 121 designated as holotype 124 - 125 collected from type location but on 06.10.2013 126 - 128 collected from type location but on 09.02.2014 129 - 132 from type material: 129 - 130 external view of entire valves 131 external view of an entire valve showing elongated areolae in the valve mantle 132 internal view of entire valve, showing occlusion of the areolae by hymens. The arrow points at Voigt discontinuity. Scale bars 10 μm (118 - 128); 5 μm (129 - 132)." figureDoi="10.3897/phytokeys.88.14612.figures118-132" httpUri="https://binary.pensoft.net/fig/160744" pageId="2" pageNumber="41">121</figureCitation>
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represents the holotype.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="41" type="isotypes">
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<paragraph pageId="2" pageNumber="41">Isotypes.</paragraph>
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<paragraph pageId="2" pageNumber="41">B 40 0042007 (SEM stub), QMEX DIAT0001 (Slide).</paragraph>
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<paragraph pageId="2" pageNumber="41">Cleaned unmounted material is available under the numbers B 40 0042008 and QMEX DIAT0002.</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="41" type="type locality">
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<paragraph pageId="2" pageNumber="41">Type locality.</paragraph>
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<paragraph pageId="2" pageNumber="41">
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Paredones stream, on the outskirts of Paredones village, Dolores Hidalgo, Guanajuato, Mexico (
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<geoCoordinate degrees="21" direction="north" minutes="11" orientation="latitude" precision="1" seconds="20.60" value="21.189054">21°11'20.60"N</geoCoordinate>
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;
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<geoCoordinate degrees="101" direction="west" minutes="06" orientation="longitude" precision="1" seconds="53.40" value="-101.11483">101°06'53.40"W</geoCoordinate>
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; 2089 m a.s.l). Collected by Demetrio Mora on 07.09.2014.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="41" type="registration">
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<paragraph pageId="2" pageNumber="41">Registration.</paragraph>
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<paragraph pageId="2" pageNumber="41">http://phycobank.org/100101</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="41" type="description">
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<paragraph pageId="2" pageNumber="41">Description.</paragraph>
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<paragraph pageId="2" pageNumber="41">
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the valves are lanceolate to linear-lanceolate with rostrate apices. The axial area is narrow-linear throughout the valve and the central area round to elliptical (Figs
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<figureCitation captionStart="Figures 118–132" captionStartId="F5" captionText="Figures 118 - 132. Brachysira altepetlensis D. Mora, R. Jahn & N. Abarca, sp. nov. LM (118 - 128) and SEM (129 - 132). 118 - 123 type material, from Paredones stream, Guanajuato, Mexico, collected on 07.09.2014 121 designated as holotype 124 - 125 collected from type location but on 06.10.2013 126 - 128 collected from type location but on 09.02.2014 129 - 132 from type material: 129 - 130 external view of entire valves 131 external view of an entire valve showing elongated areolae in the valve mantle 132 internal view of entire valve, showing occlusion of the areolae by hymens. The arrow points at Voigt discontinuity. Scale bars 10 μm (118 - 128); 5 μm (129 - 132)." figureDoi="10.3897/phytokeys.88.14612.figures118-132" httpUri="https://binary.pensoft.net/fig/160744" pageId="2" pageNumber="41">118-128</figureCitation>
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). Length: 12.6-23.1
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, width: 3.2-4.5
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, length/width ratio: 3.2-5.4; striae in 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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: 34-37. The raphe is filiform, slightly sinuous, bordered by a thickened longitudinal siliceous rib on both sides (Figs
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<figureCitation captionStart="Figures 118–132" captionStartId="F5" captionText="Figures 118 - 132. Brachysira altepetlensis D. Mora, R. Jahn & N. Abarca, sp. nov. LM (118 - 128) and SEM (129 - 132). 118 - 123 type material, from Paredones stream, Guanajuato, Mexico, collected on 07.09.2014 121 designated as holotype 124 - 125 collected from type location but on 06.10.2013 126 - 128 collected from type location but on 09.02.2014 129 - 132 from type material: 129 - 130 external view of entire valves 131 external view of an entire valve showing elongated areolae in the valve mantle 132 internal view of entire valve, showing occlusion of the areolae by hymens. The arrow points at Voigt discontinuity. Scale bars 10 μm (118 - 128); 5 μm (129 - 132)." figureDoi="10.3897/phytokeys.88.14612.figures118-132" httpUri="https://binary.pensoft.net/fig/160744" pageId="2" pageNumber="41">129-131</figureCitation>
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). The proximal raphe ends are straight, while the distal raphe endings are T-shaped (Figs
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<figureCitation captionStart="Figures 118–132" captionStartId="F5" captionText="Figures 118 - 132. Brachysira altepetlensis D. Mora, R. Jahn & N. Abarca, sp. nov. LM (118 - 128) and SEM (129 - 132). 118 - 123 type material, from Paredones stream, Guanajuato, Mexico, collected on 07.09.2014 121 designated as holotype 124 - 125 collected from type location but on 06.10.2013 126 - 128 collected from type location but on 09.02.2014 129 - 132 from type material: 129 - 130 external view of entire valves 131 external view of an entire valve showing elongated areolae in the valve mantle 132 internal view of entire valve, showing occlusion of the areolae by hymens. The arrow points at Voigt discontinuity. Scale bars 10 μm (118 - 128); 5 μm (129 - 132)." figureDoi="10.3897/phytokeys.88.14612.figures118-132" httpUri="https://binary.pensoft.net/fig/160744" pageId="2" pageNumber="41">129-131</figureCitation>
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). Internally, the proximal raphe endings are slightly bent to the same side of the valve and distally end in helictoglossa (Fig.
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<figureCitation captionStart="Figures 118–132" captionStartId="F5" captionText="Figures 118 - 132. Brachysira altepetlensis D. Mora, R. Jahn & N. Abarca, sp. nov. LM (118 - 128) and SEM (129 - 132). 118 - 123 type material, from Paredones stream, Guanajuato, Mexico, collected on 07.09.2014 121 designated as holotype 124 - 125 collected from type location but on 06.10.2013 126 - 128 collected from type location but on 09.02.2014 129 - 132 from type material: 129 - 130 external view of entire valves 131 external view of an entire valve showing elongated areolae in the valve mantle 132 internal view of entire valve, showing occlusion of the areolae by hymens. The arrow points at Voigt discontinuity. Scale bars 10 μm (118 - 128); 5 μm (129 - 132)." figureDoi="10.3897/phytokeys.88.14612.figures118-132" httpUri="https://binary.pensoft.net/fig/160744" pageId="2" pageNumber="41">132</figureCitation>
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). The striae are uniseriate and radiate throughout; composed of 2-3 transapically elongated areolae except close to the apices where only one elongated areola is present (Figs
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<figureCitation captionStart="Figures 118–132" captionStartId="F5" captionText="Figures 118 - 132. Brachysira altepetlensis D. Mora, R. Jahn & N. Abarca, sp. nov. LM (118 - 128) and SEM (129 - 132). 118 - 123 type material, from Paredones stream, Guanajuato, Mexico, collected on 07.09.2014 121 designated as holotype 124 - 125 collected from type location but on 06.10.2013 126 - 128 collected from type location but on 09.02.2014 129 - 132 from type material: 129 - 130 external view of entire valves 131 external view of an entire valve showing elongated areolae in the valve mantle 132 internal view of entire valve, showing occlusion of the areolae by hymens. The arrow points at Voigt discontinuity. Scale bars 10 μm (118 - 128); 5 μm (129 - 132)." figureDoi="10.3897/phytokeys.88.14612.figures118-132" httpUri="https://binary.pensoft.net/fig/160744" pageId="2" pageNumber="41">129-131</figureCitation>
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). Striae in the valve mantle are composed of single elongated areola (Fig.
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<figureCitation captionStart="Figures 118–132" captionStartId="F5" captionText="Figures 118 - 132. Brachysira altepetlensis D. Mora, R. Jahn & N. Abarca, sp. nov. LM (118 - 128) and SEM (129 - 132). 118 - 123 type material, from Paredones stream, Guanajuato, Mexico, collected on 07.09.2014 121 designated as holotype 124 - 125 collected from type location but on 06.10.2013 126 - 128 collected from type location but on 09.02.2014 129 - 132 from type material: 129 - 130 external view of entire valves 131 external view of an entire valve showing elongated areolae in the valve mantle 132 internal view of entire valve, showing occlusion of the areolae by hymens. The arrow points at Voigt discontinuity. Scale bars 10 μm (118 - 128); 5 μm (129 - 132)." figureDoi="10.3897/phytokeys.88.14612.figures118-132" httpUri="https://binary.pensoft.net/fig/160744" pageId="2" pageNumber="41">131</figureCitation>
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). In some valves the Voigt discontinuity can be seen (Fig.
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<figureCitation captionStart="Figures 118–132" captionStartId="F5" captionText="Figures 118 - 132. Brachysira altepetlensis D. Mora, R. Jahn & N. Abarca, sp. nov. LM (118 - 128) and SEM (129 - 132). 118 - 123 type material, from Paredones stream, Guanajuato, Mexico, collected on 07.09.2014 121 designated as holotype 124 - 125 collected from type location but on 06.10.2013 126 - 128 collected from type location but on 09.02.2014 129 - 132 from type material: 129 - 130 external view of entire valves 131 external view of an entire valve showing elongated areolae in the valve mantle 132 internal view of entire valve, showing occlusion of the areolae by hymens. The arrow points at Voigt discontinuity. Scale bars 10 μm (118 - 128); 5 μm (129 - 132)." figureDoi="10.3897/phytokeys.88.14612.figures118-132" httpUri="https://binary.pensoft.net/fig/160744" pageId="2" pageNumber="41">132</figureCitation>
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). Internally the areolae are occluded by hymens (Fig.
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<figureCitation captionStart="Figures 118–132" captionStartId="F5" captionText="Figures 118 - 132. Brachysira altepetlensis D. Mora, R. Jahn & N. Abarca, sp. nov. LM (118 - 128) and SEM (129 - 132). 118 - 123 type material, from Paredones stream, Guanajuato, Mexico, collected on 07.09.2014 121 designated as holotype 124 - 125 collected from type location but on 06.10.2013 126 - 128 collected from type location but on 09.02.2014 129 - 132 from type material: 129 - 130 external view of entire valves 131 external view of an entire valve showing elongated areolae in the valve mantle 132 internal view of entire valve, showing occlusion of the areolae by hymens. The arrow points at Voigt discontinuity. Scale bars 10 μm (118 - 128); 5 μm (129 - 132)." figureDoi="10.3897/phytokeys.88.14612.figures118-132" httpUri="https://binary.pensoft.net/fig/160744" pageId="2" pageNumber="41">132</figureCitation>
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). The virgae have irregularly spaced papillae (Figs
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<figureCitation captionStart="Figures 118–132" captionStartId="F5" captionText="Figures 118 - 132. Brachysira altepetlensis D. Mora, R. Jahn & N. Abarca, sp. nov. LM (118 - 128) and SEM (129 - 132). 118 - 123 type material, from Paredones stream, Guanajuato, Mexico, collected on 07.09.2014 121 designated as holotype 124 - 125 collected from type location but on 06.10.2013 126 - 128 collected from type location but on 09.02.2014 129 - 132 from type material: 129 - 130 external view of entire valves 131 external view of an entire valve showing elongated areolae in the valve mantle 132 internal view of entire valve, showing occlusion of the areolae by hymens. The arrow points at Voigt discontinuity. Scale bars 10 μm (118 - 128); 5 μm (129 - 132)." figureDoi="10.3897/phytokeys.88.14612.figures118-132" httpUri="https://binary.pensoft.net/fig/160744" pageId="2" pageNumber="41">129-131</figureCitation>
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).
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</paragraph>
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<caption ID-Zenodo-Dep="1138193" doi="10.3897/phytokeys.88.14612.figures118-132" httpUri="https://binary.pensoft.net/fig/160744" pageId="2" pageNumber="41" start="Figures 118–132" startId="F5">
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<paragraph pageId="2" pageNumber="41">
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<emphasis bold="true" pageId="2" pageNumber="41">Figures 118-132.</emphasis>
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<taxonomicName authorityName="D. Mora, R. Jahn & N. Abarca" authorityYear="2017" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" kingdom="Plantae" lsidName="Brachysira altepetlensis" order="Naviculales" pageId="2" pageNumber="41" phylum="Bacillariophyta" rank="species" species="altepetlensis">
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<emphasis italics="true" pageId="2" pageNumber="41">Brachysira altepetlensis</emphasis>
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</taxonomicName>
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D. Mora, R. Jahn & N. Abarca, sp. nov. LM (
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<emphasis bold="true" pageId="2" pageNumber="41">118-128</emphasis>
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) and SEM (
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<emphasis bold="true" pageId="2" pageNumber="41">129-132</emphasis>
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).
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<emphasis bold="true" pageId="2" pageNumber="41">118-123</emphasis>
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type material, from Paredones stream, Guanajuato, Mexico, collected on 07.09.2014
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<emphasis bold="true" pageId="2" pageNumber="41">121</emphasis>
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designated as holotype
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<emphasis bold="true" pageId="2" pageNumber="41">124-125</emphasis>
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collected from type location but on 06.10.2013
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<emphasis bold="true" pageId="2" pageNumber="41">126-128</emphasis>
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collected from type location but on 09.02.2014
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<emphasis bold="true" pageId="2" pageNumber="41">129-132</emphasis>
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from type material:
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<emphasis bold="true" pageId="2" pageNumber="41">129-130</emphasis>
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external view of entire valves
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<emphasis bold="true" pageId="2" pageNumber="41">131</emphasis>
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external view of an entire valve showing elongated areolae in the valve mantle
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<emphasis bold="true" pageId="2" pageNumber="41">132</emphasis>
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internal view of entire valve, showing occlusion of the areolae by hymens. The arrow points at Voigt discontinuity. Scale bars 10
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis bold="true" pageId="2" pageNumber="41">118-128</emphasis>
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); 5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis bold="true" pageId="2" pageNumber="41">129-132</emphasis>
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).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="41" type="differential diagnosis">
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<paragraph pageId="2" pageNumber="41">Differential diagnosis.</paragraph>
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<paragraph pageId="2" pageNumber="41">
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<taxonomicName class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" kingdom="Plantae" lsidName="Brachysira procera" order="Naviculales" pageId="2" pageNumber="41" phylum="Bacillariophyta" rank="species" species="procera">
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<emphasis italics="true" pageId="2" pageNumber="41">Brachysira procera</emphasis>
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</taxonomicName>
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Lange-Bertalot & Gerd Moser is the species which most closely resembles
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<taxonomicName lsidName="B. altepetlensis" pageId="2" pageNumber="41" rank="species" species="altepetlensis">
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<emphasis italics="true" pageId="2" pageNumber="41">B. altepetlensis</emphasis>
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</taxonomicName>
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in valve outline but is larger (25-60
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), wider at valve center (4.5-6
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) and has less striae in 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(27-30) (
|
||
<bibRefCitation author="Lange-Bertalot, H" journalOrPublisher="Botanic Garden and Botanical Musem Berlin-Dahlem, Freie Universitaet Berlin" pageId="11" pageNumber="50" refId="B36" refString="Lange-Bertalot, H, Moser, G, 1994. Brachysira. Monographie der Gattung. Wichtige Indikator-Species fuer das Gewaesser Monitoring und Naviculadicta nov. gen. Ein Loesungsvorschlag zu dem Problem Navicula sensu lato ohne Navicula sensu stricto. Bibliotheca Diatomologica 29. J. Cramer, Berlin-Stuttgart, 1-212." title="Brachysira. Monographie der Gattung. Wichtige Indikator-Species fuer das Gewaesser Monitoring und Naviculadicta nov. gen. Ein Loesungsvorschlag zu dem Problem Navicula sensu lato ohne Navicula sensu stricto. Bibliotheca Diatomologica 29. J. Cramer, Berlin-Stuttgart, 1 - 212." year="1994">Lange-Bertalot and Moser 1994</bibRefCitation>
|
||
). The valve outline of
|
||
<taxonomicName authorityName="Lange-Bertalot" authorityYear="2004" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" kingdom="Plantae" lsidName="Brachysira neglectissima" order="Naviculales" pageId="2" pageNumber="41" phylum="Bacillariophyta" rank="species" species="neglectissima">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">Brachysira neglectissima</emphasis>
|
||
</taxonomicName>
|
||
Lange-Bertalot also resembles that of
|
||
<taxonomicName lsidName="B. altepetlensis" pageId="2" pageNumber="41" rank="species" species="altepetlensis">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">B. altepetlensis</emphasis>
|
||
</taxonomicName>
|
||
but the valves of
|
||
<taxonomicName lsidName="B. neglectissima" pageId="2" pageNumber="41" rank="species" species="neglectissima">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">B. neglectissima</emphasis>
|
||
</taxonomicName>
|
||
are wider (4.3-4.5
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
), have more striae (36-40), the areolae are arranged in a way that they give the appearance of waves and each single areola is comparatively not as elongated as in
|
||
<taxonomicName lsidName="B. altepetlensis" pageId="2" pageNumber="41" rank="species" species="altepetlensis">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">B. altepetlensis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Lange-Bertalot, H" journalOrPublisher="Botanic Garden and Botanical Musem Berlin-Dahlem, Freie Universitaet Berlin" pageId="11" pageNumber="50" refId="B36" refString="Lange-Bertalot, H, Moser, G, 1994. Brachysira. Monographie der Gattung. Wichtige Indikator-Species fuer das Gewaesser Monitoring und Naviculadicta nov. gen. Ein Loesungsvorschlag zu dem Problem Navicula sensu lato ohne Navicula sensu stricto. Bibliotheca Diatomologica 29. J. Cramer, Berlin-Stuttgart, 1-212." title="Brachysira. Monographie der Gattung. Wichtige Indikator-Species fuer das Gewaesser Monitoring und Naviculadicta nov. gen. Ein Loesungsvorschlag zu dem Problem Navicula sensu lato ohne Navicula sensu stricto. Bibliotheca Diatomologica 29. J. Cramer, Berlin-Stuttgart, 1 - 212." year="1994">Lange-Bertalot and Moser 1994</bibRefCitation>
|
||
).
|
||
<taxonomicName class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" kingdom="Plantae" lsidName="Brachysira guarrerai" order="Naviculales" pageId="2" pageNumber="41" phylum="Bacillariophyta" rank="species" species="guarrerai">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">Brachysira guarrerai</emphasis>
|
||
</taxonomicName>
|
||
Vouilloud, Sala &
|
||
<normalizedToken originalValue="Núñez-Avellaneda">Nunez-Avellaneda</normalizedToken>
|
||
is also similar in valve outline but the valves are wider (5.5-7
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
), have less striae (26-32) and lack papillae in the interstriae (
|
||
<bibRefCitation DOI="https://doi.org/10.1080/0269249X.2013.866909" author="Vouilloud, AA" journalOrPublisher="Diatom Research" pageId="13" pageNumber="52" pagination="147 - 163" refId="B75" refString="Vouilloud, AA, Sala, SE, Nunez-Avellaneda, M, Montoya-Moreno, Y, Duque, SR, 2014. Brachysira (Naviculales, Bacillariophyceae) in lowland waters from Colombia. Diatom Research 29 (2): 147 - 163, DOI: https://doi.org/10.1080/0269249X.2013.866909" title="Brachysira (Naviculales, Bacillariophyceae) in lowland waters from Colombia." url="https://doi.org/10.1080/0269249X.2013.866909" volume="29" year="2014">Vouilloud et al. 2014</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph pageId="2" pageNumber="41">
|
||
The valve dimensions as well as the striae density of the new species fall within the range of the
|
||
<taxonomicName authorityName="H.Lange-Bertalot" authorityYear="1994" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" kingdom="Plantae" lsidName="Brachysira neoexilis" order="Naviculales" pageId="2" pageNumber="41" phylum="Bacillariophyta" rank="species" species="neoexilis">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">Brachysira neoexilis</emphasis>
|
||
</taxonomicName>
|
||
Lange-Bertalot species complex, but the type population of
|
||
<taxonomicName lsidName="B. neoexilis" pageId="2" pageNumber="41" rank="species" species="neoexilis">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">B. neoexilis</emphasis>
|
||
</taxonomicName>
|
||
has clear capitate apices and the larger specimens have a very slightly triundulate valve margins (
|
||
<bibRefCitation author="Lange-Bertalot, H" journalOrPublisher="Botanic Garden and Botanical Musem Berlin-Dahlem, Freie Universitaet Berlin" pageId="11" pageNumber="50" refId="B36" refString="Lange-Bertalot, H, Moser, G, 1994. Brachysira. Monographie der Gattung. Wichtige Indikator-Species fuer das Gewaesser Monitoring und Naviculadicta nov. gen. Ein Loesungsvorschlag zu dem Problem Navicula sensu lato ohne Navicula sensu stricto. Bibliotheca Diatomologica 29. J. Cramer, Berlin-Stuttgart, 1-212." title="Brachysira. Monographie der Gattung. Wichtige Indikator-Species fuer das Gewaesser Monitoring und Naviculadicta nov. gen. Ein Loesungsvorschlag zu dem Problem Navicula sensu lato ohne Navicula sensu stricto. Bibliotheca Diatomologica 29. J. Cramer, Berlin-Stuttgart, 1 - 212." year="1994">Lange-Bertalot and Moser 1994</bibRefCitation>
|
||
). All the other populations from
|
||
<taxonomicName lsidName="B. neoexilis" pageId="2" pageNumber="41" rank="species" species="neoexilis">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">B. neoexilis</emphasis>
|
||
</taxonomicName>
|
||
species complex depicted in the original description (
|
||
<bibRefCitation author="Lange-Bertalot, H" journalOrPublisher="Botanic Garden and Botanical Musem Berlin-Dahlem, Freie Universitaet Berlin" pageId="11" pageNumber="50" refId="B36" refString="Lange-Bertalot, H, Moser, G, 1994. Brachysira. Monographie der Gattung. Wichtige Indikator-Species fuer das Gewaesser Monitoring und Naviculadicta nov. gen. Ein Loesungsvorschlag zu dem Problem Navicula sensu lato ohne Navicula sensu stricto. Bibliotheca Diatomologica 29. J. Cramer, Berlin-Stuttgart, 1-212." title="Brachysira. Monographie der Gattung. Wichtige Indikator-Species fuer das Gewaesser Monitoring und Naviculadicta nov. gen. Ein Loesungsvorschlag zu dem Problem Navicula sensu lato ohne Navicula sensu stricto. Bibliotheca Diatomologica 29. J. Cramer, Berlin-Stuttgart, 1 - 212." year="1994">Lange-Bertalot and Moser 1994</bibRefCitation>
|
||
) have subcapitate to capitate apices, not matching at all the outline of
|
||
<taxonomicName lsidName="B. altepetlensis" pageId="2" pageNumber="41" rank="species" species="altepetlensis">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">B. altepetlensis</emphasis>
|
||
</taxonomicName>
|
||
. The specimens depicted in
|
||
<bibRefCitation author="Rumrich, U" journalOrPublisher="Journal of Applied Phycology" pageId="11" pageNumber="50" refId="B54" refString="Rumrich, U, Lange-Bertalot, H, Rumrich, M, 2000. Diatomeen der Anden. Von Venezuela bis Patagonien/Feuerland. Und zwei weitere Beitraege. Iconographia Diatomologica 9. A.R.G. Gantner Verlag K.G., Ruggell, 1-673." title="Diatomeen der Anden. Von Venezuela bis Patagonien / Feuerland. Und zwei weitere Beitraege. Iconographia Diatomologica 9. A. R. G. Gantner Verlag K. G., Ruggell, 1 - 673." year="2000">Rumrich et al. (2000)</bibRefCitation>
|
||
, identified as
|
||
<taxonomicName lsidName="B. neoexilis" pageId="2" pageNumber="41" rank="species" species="neoexilis">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">B. neoexilis</emphasis>
|
||
</taxonomicName>
|
||
(Pl. 89: figs 18-20), closely resemble
|
||
<taxonomicName lsidName="B. altepetlensis" pageId="2" pageNumber="41" rank="species" species="altepetlensis">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">B. altepetlensis</emphasis>
|
||
</taxonomicName>
|
||
in valve outline but they clearly differ from specimens depicted in the type description of
|
||
<taxonomicName lsidName="B. neoexilis" pageId="2" pageNumber="41" rank="species" species="neoexilis">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">B. neoexilis</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Lange-Bertalot, H" journalOrPublisher="Botanic Garden and Botanical Musem Berlin-Dahlem, Freie Universitaet Berlin" pageId="11" pageNumber="50" refId="B36" refString="Lange-Bertalot, H, Moser, G, 1994. Brachysira. Monographie der Gattung. Wichtige Indikator-Species fuer das Gewaesser Monitoring und Naviculadicta nov. gen. Ein Loesungsvorschlag zu dem Problem Navicula sensu lato ohne Navicula sensu stricto. Bibliotheca Diatomologica 29. J. Cramer, Berlin-Stuttgart, 1-212." title="Brachysira. Monographie der Gattung. Wichtige Indikator-Species fuer das Gewaesser Monitoring und Naviculadicta nov. gen. Ein Loesungsvorschlag zu dem Problem Navicula sensu lato ohne Navicula sensu stricto. Bibliotheca Diatomologica 29. J. Cramer, Berlin-Stuttgart, 1 - 212." year="1994">Lange-Bertalot and Moser 1994</bibRefCitation>
|
||
). The specimens of
|
||
<taxonomicName class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" kingdom="Plantae" lsidName="Brachysira" order="Naviculales" pageId="2" pageNumber="41" phylum="Bacillariophyta" rank="genus">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">Brachysira</emphasis>
|
||
</taxonomicName>
|
||
found by
|
||
<normalizedToken originalValue="Abarca-Mejía">Abarca-Mejia</normalizedToken>
|
||
(2010) in a spring also in the Lerma-Chapala Basin, closely resemble
|
||
<taxonomicName lsidName="B. altepetlensis" pageId="2" pageNumber="41" rank="species" species="altepetlensis">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">B. altepetlensis</emphasis>
|
||
</taxonomicName>
|
||
in LM, but her identification was based on
|
||
<bibRefCitation author="Rumrich, U" journalOrPublisher="Journal of Applied Phycology" pageId="11" pageNumber="50" refId="B54" refString="Rumrich, U, Lange-Bertalot, H, Rumrich, M, 2000. Diatomeen der Anden. Von Venezuela bis Patagonien/Feuerland. Und zwei weitere Beitraege. Iconographia Diatomologica 9. A.R.G. Gantner Verlag K.G., Ruggell, 1-673." title="Diatomeen der Anden. Von Venezuela bis Patagonien / Feuerland. Und zwei weitere Beitraege. Iconographia Diatomologica 9. A. R. G. Gantner Verlag K. G., Ruggell, 1 - 673." year="2000">Rumrich et al. (2000)</bibRefCitation>
|
||
, which led her to identify those valves as
|
||
<taxonomicName lsidName="B. neoexilis" pageId="2" pageNumber="41" rank="species" species="neoexilis">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">B. neoexilis</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="2" pageNumber="41" type="etymology">
|
||
<paragraph pageId="2" pageNumber="41">Etymology.</paragraph>
|
||
<paragraph pageId="2" pageNumber="41">
|
||
this new
|
||
<taxonomicName class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" kingdom="Plantae" lsidName="Brachysira" order="Naviculales" pageId="2" pageNumber="41" phylum="Bacillariophyta" rank="genus">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">Brachysira</emphasis>
|
||
</taxonomicName>
|
||
species takes the name from the word
|
||
<normalizedToken originalValue="“āltepētl”">"altepētl"</normalizedToken>
|
||
which means "water mountain" in
|
||
<normalizedToken originalValue="Náhuatl">Nahuatl</normalizedToken>
|
||
language, that is how the surrounding mountains were used to be named by native people 500 years ago, at the time Spaniards first came to the region.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="2" pageNumber="41" type="distribution">
|
||
<paragraph pageId="2" pageNumber="41">Distribution.</paragraph>
|
||
<paragraph pageId="2" pageNumber="41">
|
||
apart from the type locality, this species was also found in four streams sampled for this study, namely
|
||
<normalizedToken originalValue="Peña">Pena</normalizedToken>
|
||
Colorada (site 4), San
|
||
<normalizedToken originalValue="Martín">Martin</normalizedToken>
|
||
(site 5), La Laborcilla 1 (site 7) and La Laborcilla 2 (site 8), all of these sites were characterized by low specific conductivity (≤ 100
|
||
<normalizedToken originalValue="μS">μS</normalizedToken>
|
||
/cm) and pH values going from acidic to slightly alcaline (5.1-7.9). But
|
||
<taxonomicName lsidName="B. altepetlensis" pageId="2" pageNumber="41" rank="species" species="altepetlensis">
|
||
<emphasis italics="true" pageId="2" pageNumber="41">B. altepetlensis</emphasis>
|
||
</taxonomicName>
|
||
only reached high relative abundances (>10%) in acidic waters (pH= 5.1-5.8) with low specific conductivity (42-53
|
||
<normalizedToken originalValue="μS">μS</normalizedToken>
|
||
/cm).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |