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<document id="605371E0EA0B59B483ABCDB2C70B4A4C" ID-CLB-Dataset="246877" ID-DOI="10.5252/cryptogamie-algologie2020v41a13" ID-GBIF-Dataset="7507be59-0500-4c8b-896e-f8ed575ffa37" ID-ISSN="1776-0992" ID-Zenodo-Dep="7819101" IM.bibliography_approvedBy="tatiana" IM.illustrations_approvedBy="tatiana" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="tatiana" IM.treatments_approvedBy="tatiana" checkinTime="1681241287919" checkinUser="felipe" docAuthor="De, Bart Van, Vijver, Mertens, Adrienne &amp; Ector, Luc" docDate="2020" docId="03CDC30899141331FF57F8EAFE252184" docLanguage="en" docName="CryptogamieAlgologie.41.13.137-149.pdf" docOrigin="Cryptogamie, Algologie 20 (13)" docStyle="DocumentStyle:C31C23F805CBAD2BB1C6021F66949308.6:CryptogamieAlgologie.2019-.journal_article" docStyleId="C31C23F805CBAD2BB1C6021F66949308" docStyleName="CryptogamieAlgologie.2019-.journal_article" docStyleVersion="6" docTitle="Fragilaria pectinalis Lyngb." docType="treatment" docVersion="8" lastPageNumber="146" masterDocId="FFF4BB70991D133AFFBAFFBBFFD62314" masterDocTitle="Analysis of the type material of Synedra deformis W. Sm. and Synedra vaucheriae var. deformis Grunow (Fragilariaceae, Bacillariophyta)" masterLastPageNumber="149" masterPageNumber="137" pageNumber="144" updateTime="1699513870463" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="685F1F5AB9BC23024CF2080B0EE54398">Analysis of the type material of Synedra deformis W. Sm. and Synedra vaucheriae var. deformis Grunow (Fragilariaceae, Bacillariophyta)</mods:title>
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<mods:namePart id="CD86A33C16251C902B79640844A4D344">De, Bart Van</mods:namePart>
<mods:affiliation id="39FFAAD797331D7F751CFAE71D98CA3D">Meise Botanic Garden Meise, Research Department, Nieuwelaan 38, 1860 Meise and University of Antwerp, Department of Biology - Universiteitsplein 1, B- 2610 Wilrijk bart. vandevijver @ plantentuinmeise. be (corresponding</mods:affiliation>
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<mods:namePart id="47DB810D88F850F2E494B39428BD9EA6">Vijver</mods:namePart>
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<mods:namePart id="CE4B98170F528E9063A686E41393DD74">Mertens, Adrienne</mods:namePart>
<mods:affiliation id="46E08DEE9C9278CBFDD9560228008E55">Diatomella, IJkelaarstraat 3, 6611 KN Overasselt (The Netherlands) adrienne @ diatomella. nl</mods:affiliation>
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<mods:affiliation id="D570F91FB84846F11D239328A988B6BD">Luxembourg Institute of Science and Technology (LIST), Environmental Research &amp; Innovation (ERIN) Department, 41 rue du Brill, L- 4422 Belvaux (Luxembourg) luc. ector @ list. lu</mods:affiliation>
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<subSubSection id="C37E219599141333FF57F8EAFD49247F" box="[237,671,1873,1900]" pageId="9" pageNumber="144" type="nomenclature">
<paragraph id="8BDB721E99141333FF57F8EAFD49247F" blockId="9.[237,671,1873,1900]" box="[237,671,1873,1900]" pageId="9" pageNumber="144">
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<taxonomicName id="4C64099D99141333FF57F8EAFD49247F" authority="(O. F. Mull.) Lyngb." authorityName="Lyngb." baseAuthorityName="O. F. Mull." box="[237,671,1873,1900]" class="Bacillariophyceae" family="Fragilariaceae" genus="Fragilaria" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="9" pageNumber="144" phylum="Ochrophyta" rank="species" species="pectinalis">
<emphasis id="B910AE0C99141333FF57F8EAFE1F2478" bold="true" box="[237,457,1873,1900]" italics="true" pageId="9" pageNumber="144">Fragilaria pectinalis</emphasis>
(O.F.Müll.) Lyngb.
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<subSubSection id="C37E219599141333FE24F8CAFA552163" pageId="9" pageNumber="144" type="description">
<paragraph id="8BDB721E99141333FE24F8CAFE382498" blockId="9.[414,494,1905,1932]" box="[414,494,1905,1932]" pageId="9" pageNumber="144">
<heading id="D093C57299141333FE24F8CAFE382498" box="[414,494,1905,1932]" centered="true" fontSize="11" level="3" pageId="9" pageNumber="144" reason="3">
(
<figureCitation id="135F6E9B99141333FE1FF8CAFE322498" box="[421,484,1905,1932]" captionStart="FIG" captionStartId="10.[132,143,1894,1912]" captionTargetBox="[132,1455,215,1767]" captionTargetId="figure-181@10.[132,1455,214,1767]" captionTargetPageId="10" captionText="FIG. 5. — Fragilaria pectinalis (O.F.Müll.) Lyngb. Images taken from the River Aa, province of Antwerp, Belgium: A-S, LM views of more or less normally formed valves of the population arranged in decreasing length; T, U, LM views of two frustules connected in girdle view; V-AJ, LM views of several deformed valves of the population arranged in decreasing length;AK, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;AL, SEM external view of an entire valve; AM, SEM external detail of a valve apex with the rimoportula; AN, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin; AO, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm." figureDoi="http://doi.org/10.5281/zenodo.7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="9" pageNumber="144">Fig. 5</figureCitation>
)
</heading>
</paragraph>
<paragraph id="8BDB721E99141333FF3EF803FA552163" blockId="9.[132,776,1975,2026]" lastBlockId="9.[829,1457,527,631]" pageId="9" pageNumber="144">
<emphasis id="B910AE0C99141333FF3EF803FAC22156" italics="true" pageId="9" pageNumber="144">
<taxonomicName id="4C64099D99141333FF3EF803FD9D24DB" authority="Hydrophytologiae Danicae Continens" authorityName="Hydrophytologiae Danicae Continens" box="[132,587,1975,1999]" class="Insecta" family="Gelechiidae" genus="Tentamen" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Lepidoptera" pageId="9" pageNumber="144" phylum="Arthropoda" rank="genus">Tentamen Hydrophytologiae Danicae Continens</taxonomicName>
omnia Hydrophyta Cryptogama Daniae, Holsatiae, Faeroae, Islandiae, Groenlandiae hucusque cognita, Systematice Disposita, Descripta et iconibus illustrata, Adjectis Simul Speciebus Norvegicis.
<bibCitation id="5E4E7A7299141333FB72FD91FAC22156" box="[1224,1300,554,578]" page="185" pageId="9" pageNumber="144" score="6.4863962423089685" volumeTitle="Hafniae" year="1819">Hafniae</bibCitation>
</emphasis>
: 185 (1819). — Basionym:
<taxonomicName id="4C64099D99141333FC08FDFFFB052148" authority="O. F. Mull." authorityName="O. F. Mull." box="[946,1235,580,604]" class="Ulvophyceae" family="Cladophoraceae" genus="Conferva" kingdom="Plantae" order="Cladophorales" pageId="9" pageNumber="144" phylum="Chlorophyta" rank="species" species="pectinalis">
<emphasis id="B910AE0C99141333FC08FDFFFBB12148" box="[946,1127,580,604]" italics="true" pageId="9" pageNumber="144">Conferva pectinalis</emphasis>
O.F.Müll.
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,
<emphasis id="B910AE0C99141333FB65FDFEFB702163" italics="true" pageId="9" pageNumber="144">Nova Acta Academiae Scientiarum Imperialis Petropolitanae</emphasis>
3: 91, figs 4-7 (1788).
</paragraph>
</subSubSection>
<subSubSection id="C37E219599141333FC97FD34FAA02599" pageId="9" pageNumber="144" type="materials_examined">
<paragraph id="8BDB721E99141333FC97FD34FAAC21B2" blockId="9.[813,1402,654,679]" box="[813,1402,654,679]" pageId="9" pageNumber="144">
<collectionCode id="ED75EADB99141333FC97FD34FC1021B1" box="[813,966,655,678]" pageId="9" pageNumber="144">MATERIAL USED</collectionCode>
. — Population from the River Aa,
<collectingCountry id="F373328E99141333FA9BFD35FAA121B2" box="[1313,1399,654,678]" name="Belgium" pageId="9" pageNumber="144">Belgium</collectingCountry>
.
</paragraph>
<paragraph id="8BDB721E99141333FC97FD6DFC1F21FA" blockId="9.[810,1456,726,1230]" box="[813,969,726,752]" pageId="9" pageNumber="144">MORPHOLOGY</paragraph>
<paragraph id="8BDB721E99141333FC97FD4DFC082004" blockId="9.[810,1456,726,1230]" box="[813,990,758,784]" pageId="9" pageNumber="144">
<emphasis id="B910AE0C99141333FC97FD4DFC082004" box="[813,990,758,784]" italics="true" pageId="9" pageNumber="144">
<collectionCode id="ED75EADB99141333FC97FD4DFC83201B" box="[813,853,758,783]" country="Mozambique" lsid="urn:lsid:biocol.org:col:13988" name="Secçáo de Botânica e Ecologia" pageId="9" pageNumber="144" type="Herbarium">LM</collectionCode>
(
<figureCitation id="135F6E9B99141333FCD9FD4DFC492004" box="[867,927,758,784]" captionStart="FIG" captionStartId="10.[132,143,1894,1912]" captionTargetBox="[132,1455,215,1767]" captionTargetId="figure-181@10.[132,1455,214,1767]" captionTargetPageId="10" captionText="FIG. 5. — Fragilaria pectinalis (O.F.Müll.) Lyngb. Images taken from the River Aa, province of Antwerp, Belgium: A-S, LM views of more or less normally formed valves of the population arranged in decreasing length; T, U, LM views of two frustules connected in girdle view; V-AJ, LM views of several deformed valves of the population arranged in decreasing length;AK, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;AL, SEM external view of an entire valve; AM, SEM external detail of a valve apex with the rimoportula; AN, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin; AO, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm." figureDoi="http://doi.org/10.5281/zenodo.7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="9" pageNumber="144">Fig. 5</figureCitation>
A-AJ)
</emphasis>
</paragraph>
<paragraph id="8BDB721E99141333FC97FCAEFAEC27DA" blockId="9.[810,1456,726,1230]" pageId="9" pageNumber="144">
Frustules in girdle view rectangular, solitary or two cells linked together (
<figureCitation id="135F6E9B99141333FC2BFC8EFC1B2044" box="[913,973,821,848]" captionStart="FIG" captionStartId="10.[132,143,1894,1912]" captionTargetBox="[132,1455,215,1767]" captionTargetId="figure-181@10.[132,1455,214,1767]" captionTargetPageId="10" captionText="FIG. 5. — Fragilaria pectinalis (O.F.Müll.) Lyngb. Images taken from the River Aa, province of Antwerp, Belgium: A-S, LM views of more or less normally formed valves of the population arranged in decreasing length; T, U, LM views of two frustules connected in girdle view; V-AJ, LM views of several deformed valves of the population arranged in decreasing length;AK, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;AL, SEM external view of an entire valve; AM, SEM external detail of a valve apex with the rimoportula; AN, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin; AO, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm." figureDoi="http://doi.org/10.5281/zenodo.7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="9" pageNumber="144">Fig. 5</figureCitation>
T-U). Valves linear throughout the entire cell cycle with parallel margins and protracted, rostrate, rarely capitate, apices.Shoulders poorly developed, gradually tapering into the apices.Valves often irregularly shaped, building sometimes large populations (
<figureCitation id="135F6E9B99141333FC5CFC0EFBC820DB" box="[998,1054,948,975]" captionStart="FIG" captionStartId="10.[132,143,1894,1912]" captionTargetBox="[132,1455,215,1767]" captionTargetId="figure-181@10.[132,1455,214,1767]" captionTargetPageId="10" captionText="FIG. 5. — Fragilaria pectinalis (O.F.Müll.) Lyngb. Images taken from the River Aa, province of Antwerp, Belgium: A-S, LM views of more or less normally formed valves of the population arranged in decreasing length; T, U, LM views of two frustules connected in girdle view; V-AJ, LM views of several deformed valves of the population arranged in decreasing length;AK, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;AL, SEM external view of an entire valve; AM, SEM external detail of a valve apex with the rimoportula; AN, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin; AO, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm." figureDoi="http://doi.org/10.5281/zenodo.7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="9" pageNumber="144">Fig.5</figureCitation>
V-AI).Valve dimensions (n = 60): valve length 20-35 µm, valve width 3.5-5.0 µm. Axial area narrow linear, gradually widening towards the central area.Central area large, forming an asymmetrical, occasionally inflated, fascia, with several shortened striae on one side lacking ghost striae. Several valves observed with depressed central area (
<figureCitation id="135F6E9B99141333FAE8FBEFFA7D277B" box="[1362,1451,1108,1135]" captionStart="FIG" captionStartId="10.[132,143,1894,1912]" captionTargetBox="[132,1455,215,1767]" captionTargetId="figure-181@10.[132,1455,214,1767]" captionTargetPageId="10" captionText="FIG. 5. — Fragilaria pectinalis (O.F.Müll.) Lyngb. Images taken from the River Aa, province of Antwerp, Belgium: A-S, LM views of more or less normally formed valves of the population arranged in decreasing length; T, U, LM views of two frustules connected in girdle view; V-AJ, LM views of several deformed valves of the population arranged in decreasing length;AK, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;AL, SEM external view of an entire valve; AM, SEM external detail of a valve apex with the rimoportula; AN, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin; AO, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm." figureDoi="http://doi.org/10.5281/zenodo.7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="9" pageNumber="144">Fig. 5W</figureCitation>
,
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,
<collectionCode id="ED75EADB99141333FCE1FBCFFC54279A" box="[859,898,1140,1166]" pageId="9" pageNumber="144">AE</collectionCode>
). Striae parallel throughout, becoming weakly radiate near the apices, 14-15 (occasionally up to 18) in 10 µm, often irregularly spaced. Areolae not discernible in
<collectionCode id="ED75EADB99141333FAB0FB0FFAE127DA" box="[1290,1335,1204,1230]" country="Mozambique" lsid="urn:lsid:biocol.org:col:13988" name="Secçáo de Botânica e Ecologia" pageId="9" pageNumber="144" type="Herbarium">LM</collectionCode>
.
</paragraph>
<paragraph id="8BDB721E99141333FC97FB4FFBDE261A" blockId="9.[810,1458,1268,1677]" box="[813,1032,1268,1294]" pageId="9" pageNumber="144">
<emphasis id="B910AE0C99141333FC97FB4FFBDE261A" box="[813,1032,1268,1294]" italics="true" pageId="9" pageNumber="144">
<collectionCode id="ED75EADB99141333FC97FB4FFCB5261A" box="[813,867,1268,1294]" pageId="9" pageNumber="144">SEM</collectionCode>
(
<figureCitation id="135F6E9B99141333FCCBFB4FFC78261A" box="[881,942,1268,1294]" captionStart="FIG" captionStartId="10.[132,143,1894,1912]" captionTargetBox="[132,1455,215,1767]" captionTargetId="figure-181@10.[132,1455,214,1767]" captionTargetPageId="10" captionText="FIG. 5. — Fragilaria pectinalis (O.F.Müll.) Lyngb. Images taken from the River Aa, province of Antwerp, Belgium: A-S, LM views of more or less normally formed valves of the population arranged in decreasing length; T, U, LM views of two frustules connected in girdle view; V-AJ, LM views of several deformed valves of the population arranged in decreasing length;AK, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;AL, SEM external view of an entire valve; AM, SEM external detail of a valve apex with the rimoportula; AN, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin; AO, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm." figureDoi="http://doi.org/10.5281/zenodo.7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="9" pageNumber="144">Fig. 5</figureCitation>
<collectionCode id="ED75EADB99141333FC14FB4FFBD6261A" box="[942,1024,1268,1294]" pageId="9" pageNumber="144">AK-AO</collectionCode>
)
</emphasis>
</paragraph>
<paragraph id="8BDB721E99141333FC97FAAFFAA02599" blockId="9.[810,1458,1268,1677]" pageId="9" pageNumber="144">
Large, irregularly shaped mantle plaques present on the mantle edge (
<figureCitation id="135F6E9B99141333FCD2FA88FC74265A" box="[872,930,1331,1358]" captionStart="FIG" captionStartId="10.[132,143,1894,1912]" captionTargetBox="[132,1455,215,1767]" captionTargetId="figure-181@10.[132,1455,214,1767]" captionTargetPageId="10" captionText="FIG. 5. — Fragilaria pectinalis (O.F.Müll.) Lyngb. Images taken from the River Aa, province of Antwerp, Belgium: A-S, LM views of more or less normally formed valves of the population arranged in decreasing length; T, U, LM views of two frustules connected in girdle view; V-AJ, LM views of several deformed valves of the population arranged in decreasing length;AK, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;AL, SEM external view of an entire valve; AM, SEM external detail of a valve apex with the rimoportula; AN, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin; AO, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm." figureDoi="http://doi.org/10.5281/zenodo.7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="9" pageNumber="144">Fig. 5</figureCitation>
<collectionCode id="ED75EADB99141333FC19FA88FC18265A" box="[931,974,1331,1358]" country="New Zealand" lsid="urn:lsid:biocol.org:col:15426" name="Auckland War Memorial Museum" pageId="9" pageNumber="144" type="Herbarium">AK</collectionCode>
). Mantle striae continuing from the valve face till 1/3 of the mantle edge (
<figureCitation id="135F6E9B99141333FB85FAE8FBAB267A" box="[1087,1149,1363,1390]" captionStart="FIG" captionStartId="10.[132,143,1894,1912]" captionTargetBox="[132,1455,215,1767]" captionTargetId="figure-181@10.[132,1455,214,1767]" captionTargetPageId="10" captionText="FIG. 5. — Fragilaria pectinalis (O.F.Müll.) Lyngb. Images taken from the River Aa, province of Antwerp, Belgium: A-S, LM views of more or less normally formed valves of the population arranged in decreasing length; T, U, LM views of two frustules connected in girdle view; V-AJ, LM views of several deformed valves of the population arranged in decreasing length;AK, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;AL, SEM external view of an entire valve; AM, SEM external detail of a valve apex with the rimoportula; AN, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin; AO, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm." figureDoi="http://doi.org/10.5281/zenodo.7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="9" pageNumber="144">Fig. 5</figureCitation>
<collectionCode id="ED75EADB99141333FBC7FAE8FB7F267A" box="[1149,1193,1363,1390]" country="New Zealand" lsid="urn:lsid:biocol.org:col:15426" name="Auckland War Memorial Museum" pageId="9" pageNumber="144" type="Herbarium">AK</collectionCode>
). Striae uniseriate, composed of small, rounded areolae (
<figureCitation id="135F6E9B99141333FB3DFAC8FB14269A" box="[1159,1218,1395,1422]" captionStart="FIG" captionStartId="10.[132,143,1894,1912]" captionTargetBox="[132,1455,215,1767]" captionTargetId="figure-181@10.[132,1455,214,1767]" captionTargetPageId="10" captionText="FIG. 5. — Fragilaria pectinalis (O.F.Müll.) Lyngb. Images taken from the River Aa, province of Antwerp, Belgium: A-S, LM views of more or less normally formed valves of the population arranged in decreasing length; T, U, LM views of two frustules connected in girdle view; V-AJ, LM views of several deformed valves of the population arranged in decreasing length;AK, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;AL, SEM external view of an entire valve; AM, SEM external detail of a valve apex with the rimoportula; AN, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin; AO, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm." figureDoi="http://doi.org/10.5281/zenodo.7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="9" pageNumber="144">Fig. 5</figureCitation>
<collectionCode id="ED75EADB99141333FB78FAC8FAC9269A" box="[1218,1311,1395,1422]" pageId="9" pageNumber="144">AL-AM</collectionCode>
), individually covered by external hymenes (
<figureCitation id="135F6E9B99141333FBD1FA28FB7026BA" box="[1131,1190,1427,1454]" captionStart="FIG" captionStartId="10.[132,143,1894,1912]" captionTargetBox="[132,1455,215,1767]" captionTargetId="figure-181@10.[132,1455,214,1767]" captionTargetPageId="10" captionText="FIG. 5. — Fragilaria pectinalis (O.F.Müll.) Lyngb. Images taken from the River Aa, province of Antwerp, Belgium: A-S, LM views of more or less normally formed valves of the population arranged in decreasing length; T, U, LM views of two frustules connected in girdle view; V-AJ, LM views of several deformed valves of the population arranged in decreasing length;AK, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;AL, SEM external view of an entire valve; AM, SEM external detail of a valve apex with the rimoportula; AN, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin; AO, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm." figureDoi="http://doi.org/10.5281/zenodo.7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="9" pageNumber="144">Fig. 5</figureCitation>
<collectionCode id="ED75EADB99141333FB1DFA28FB1926BA" box="[1191,1231,1427,1454]" country="Algeria" lsid="urn:lsid:biocol.org:col:14432" name="Université d'Alger" pageId="9" pageNumber="144" type="Herbarium">AL</collectionCode>
). Virgae between the striae weakly raised (
<figureCitation id="135F6E9B99141333FBBDFA08FB9226DA" box="[1031,1092,1459,1486]" captionStart="FIG" captionStartId="10.[132,143,1894,1912]" captionTargetBox="[132,1455,215,1767]" captionTargetId="figure-181@10.[132,1455,214,1767]" captionTargetPageId="10" captionText="FIG. 5. — Fragilaria pectinalis (O.F.Müll.) Lyngb. Images taken from the River Aa, province of Antwerp, Belgium: A-S, LM views of more or less normally formed valves of the population arranged in decreasing length; T, U, LM views of two frustules connected in girdle view; V-AJ, LM views of several deformed valves of the population arranged in decreasing length;AK, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;AL, SEM external view of an entire valve; AM, SEM external detail of a valve apex with the rimoportula; AN, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin; AO, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm." figureDoi="http://doi.org/10.5281/zenodo.7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="9" pageNumber="144">Fig. 5</figureCitation>
<collectionCode id="ED75EADB99141333FBFEFA08FBA426DA" box="[1092,1138,1459,1486]" pageId="9" pageNumber="144">AN</collectionCode>
). One rimoportula present at one apex, obliquely positioned at the before last stria at the apex (
<figureCitation id="135F6E9B99141333FCCAFA48FC672519" box="[880,945,1522,1549]" captionStart="FIG" captionStartId="10.[132,143,1894,1912]" captionTargetBox="[132,1455,215,1767]" captionTargetId="figure-181@10.[132,1455,214,1767]" captionTargetPageId="10" captionText="FIG. 5. — Fragilaria pectinalis (O.F.Müll.) Lyngb. Images taken from the River Aa, province of Antwerp, Belgium: A-S, LM views of more or less normally formed valves of the population arranged in decreasing length; T, U, LM views of two frustules connected in girdle view; V-AJ, LM views of several deformed valves of the population arranged in decreasing length;AK, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;AL, SEM external view of an entire valve; AM, SEM external detail of a valve apex with the rimoportula; AN, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin; AO, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm." figureDoi="http://doi.org/10.5281/zenodo.7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="9" pageNumber="144">Fig. 5</figureCitation>
<collectionCode id="ED75EADB99141333FC0BFA49FC352519" box="[945,995,1522,1549]" country="Australia" name="Australian Museum" pageId="9" pageNumber="144" type="Museum">AM</collectionCode>
). Apical pore field present at both apices composed of several rows of small pores (
<figureCitation id="135F6E9B99141333FB44F9A9FAE82539" box="[1278,1342,1554,1581]" captionStart="FIG" captionStartId="10.[132,143,1894,1912]" captionTargetBox="[132,1455,215,1767]" captionTargetId="figure-181@10.[132,1455,214,1767]" captionTargetPageId="10" captionText="FIG. 5. — Fragilaria pectinalis (O.F.Müll.) Lyngb. Images taken from the River Aa, province of Antwerp, Belgium: A-S, LM views of more or less normally formed valves of the population arranged in decreasing length; T, U, LM views of two frustules connected in girdle view; V-AJ, LM views of several deformed valves of the population arranged in decreasing length;AK, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;AL, SEM external view of an entire valve; AM, SEM external detail of a valve apex with the rimoportula; AN, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin; AO, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm." figureDoi="http://doi.org/10.5281/zenodo.7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="9" pageNumber="144">Fig. 5</figureCitation>
<collectionCode id="ED75EADB99141333FA84F9A9FA722539" box="[1342,1444,1554,1581]" pageId="9" pageNumber="144">AM-AN</collectionCode>
). Small spines or granules scattered throughout the entire valve face and mantle (
<figureCitation id="135F6E9B99141333FB95F9E9FBB92579" box="[1071,1135,1618,1645]" captionStart="FIG" captionStartId="10.[132,143,1894,1912]" captionTargetBox="[132,1455,215,1767]" captionTargetId="figure-181@10.[132,1455,214,1767]" captionTargetPageId="10" captionText="FIG. 5. — Fragilaria pectinalis (O.F.Müll.) Lyngb. Images taken from the River Aa, province of Antwerp, Belgium: A-S, LM views of more or less normally formed valves of the population arranged in decreasing length; T, U, LM views of two frustules connected in girdle view; V-AJ, LM views of several deformed valves of the population arranged in decreasing length;AK, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;AL, SEM external view of an entire valve; AM, SEM external detail of a valve apex with the rimoportula; AN, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin; AO, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm." figureDoi="http://doi.org/10.5281/zenodo.7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="9" pageNumber="144">Fig. 5</figureCitation>
<collectionCode id="ED75EADB99141333FBD5F9E9FB4B2579" box="[1135,1181,1618,1645]" pageId="9" pageNumber="144">AN</collectionCode>
). Internally, rimoportula obliquely positioned at one of the apices (
<figureCitation id="135F6E9B99141333FB46F9C9FAED2599" box="[1276,1339,1650,1677]" captionStart="FIG" captionStartId="10.[132,143,1894,1912]" captionTargetBox="[132,1455,215,1767]" captionTargetId="figure-181@10.[132,1455,214,1767]" captionTargetPageId="10" captionText="FIG. 5. — Fragilaria pectinalis (O.F.Müll.) Lyngb. Images taken from the River Aa, province of Antwerp, Belgium: A-S, LM views of more or less normally formed valves of the population arranged in decreasing length; T, U, LM views of two frustules connected in girdle view; V-AJ, LM views of several deformed valves of the population arranged in decreasing length;AK, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;AL, SEM external view of an entire valve; AM, SEM external detail of a valve apex with the rimoportula; AN, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin; AO, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm." figureDoi="http://doi.org/10.5281/zenodo.7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="9" pageNumber="144">Fig. 5</figureCitation>
<collectionCode id="ED75EADB99141333FA86F9C9FABC2599" box="[1340,1386,1650,1677]" country="Italy" lsid="urn:lsid:biocol.org:col:15824" name="Museo Regionale di Scienze Naturali della Valle d'Aosta" pageId="9" pageNumber="144" type="Herbarium">AO</collectionCode>
).
</paragraph>
</subSubSection>
<subSubSection id="C37E219599141331FC97F969FE252184" lastPageId="11" lastPageNumber="146" pageId="9" pageNumber="144" type="biology_ecology">
<paragraph id="8BDB721E99141333FC97F969FAFF2418" blockId="9.[813,1369,1746,1804]" pageId="9" pageNumber="144">
ECOLOGY OF
<taxonomicName id="4C64099D99141333FC52F969FA8F25F8" authority="AND" authorityName="Van de Vijver &amp; Ector" authorityYear="2020" baseAuthorityName="Van de Vijver &amp; Ector" baseAuthorityYear="2020" box="[1000,1369,1746,1772]" class="Bacillariophyceae" family="Fragilariaceae" genus="Fragilaria" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="9" pageNumber="144" phylum="Ochrophyta" rank="species" species="deformis">
<emphasis id="B910AE0C99141333FC52F969FAC225F8" box="[1000,1300,1746,1772]" italics="true" pageId="9" pageNumber="144">FRAGILARIA DEFORMIS</emphasis>
AND
</taxonomicName>
<taxonomicName id="4C64099D99141333FC97F949FAFF2418" authority="VAR. DEFORMIS" authorityName="VAR. DEFORMIS" box="[813,1321,1778,1804]" class="Bacillariophyceae" family="Fragilariaceae" genus="Synedra" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="9" pageNumber="144" phylum="Ochrophyta" rank="species" species="vaucheriae">
<emphasis id="B910AE0C99141333FC97F949FB822418" box="[813,1108,1778,1804]" italics="true" pageId="9" pageNumber="144">SYNEDRA VAUCHERIAE</emphasis>
VAR.
<emphasis id="B910AE0C99141333FB25F949FAFF2418" box="[1183,1321,1778,1804]" italics="true" pageId="9" pageNumber="144">DEFORMIS</emphasis>
</taxonomicName>
</paragraph>
<paragraph id="8BDB721E99141333FC97F88AFB4224FF" blockId="9.[811,1456,1841,2028]" pageId="9" pageNumber="144">The original samples used to study the morphology of these two taxa were not accompanied by ecological notes in what environmental conditions these samples were collected. Based on the accompanying diatom flora, it is however possible to get an indication of the possible ecological conditions in what these two species could be found.</paragraph>
<caption id="DF1B229699171330FF3EF8DDFE2C24FD" ID-DOI="http://doi.org/10.5281/zenodo.7819115" ID-Zenodo-Dep="7819115" httpUri="https://zenodo.org/record/7819115/files/figure.png" pageId="10" pageNumber="145" startId="10.[132,143,1894,1912]" targetBox="[132,1455,215,1767]" targetPageId="10" targetType="figure">
<paragraph id="8BDB721E99171330FF3EF8DDFE2C24FD" blockId="10.[132,1457,1894,2025]" pageId="10" pageNumber="145">
FIG. 5. —
<taxonomicName id="4C64099D99171330FF6FF8DDFD9B246C" authority="(O. F. Mull.) Lyngb. Images" authorityName="Lyngb. Images" baseAuthorityName="O. F. Mull." box="[213,589,1894,1912]" class="Bacillariophyceae" family="Fragilariaceae" genus="Fragilaria" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="10" pageNumber="145" phylum="Ochrophyta" rank="species" species="pectinalis">
<emphasis id="B910AE0C99171330FF6FF8DDFEA2246C" box="[213,372,1894,1912]" italics="true" pageId="10" pageNumber="145">Fragilaria pectinalis</emphasis>
(O.F.Müll.) Lyngb. Images
</taxonomicName>
taken from the River Aa, province of Antwerp, Belgium:
<emphasis id="B910AE0C99171330FB9FF8DDFB93246C" bold="true" box="[1061,1093,1894,1912]" pageId="10" pageNumber="145">A -S</emphasis>
, LM views of more or less normally formed valves of the population arranged in decreasing length;
<emphasis id="B910AE0C99171330FDF0F8C6FD83249B" bold="true" box="[586,597,1917,1935]" pageId="10" pageNumber="145">T</emphasis>
,
<emphasis id="B910AE0C99171330FDE5F8C6FDBB249B" bold="true" box="[607,621,1917,1935]" pageId="10" pageNumber="145">U</emphasis>
, LM views of two frustules connected in girdle view;
<emphasis id="B910AE0C99171330FBA1F8C6FB93249B" bold="true" box="[1051,1093,1917,1935]" pageId="10" pageNumber="145">V -AJ</emphasis>
, LM views of several deformed valves of the population arranged in decreasing length;
<emphasis id="B910AE0C99171330FE65F828FE2F24B1" bold="true" box="[479,505,1939,1957]" pageId="10" pageNumber="145">AK</emphasis>
, SEM external view of a frustule in oblique view showing the girdle bands and the mantle plaques;
<emphasis id="B910AE0C99171330FAA5F828FAE124B1" bold="true" box="[1311,1335,1939,1957]" pageId="10" pageNumber="145">AL</emphasis>
, SEM external view of an entire valve;
<emphasis id="B910AE0C99171330FEF2F811FEB024A8" bold="true" box="[328,358,1962,1980]" pageId="10" pageNumber="145">AM</emphasis>
, SEM external detail of a valve apex with the rimoportula;
<emphasis id="B910AE0C99171330FCF7F811FCBE24A8" bold="true" box="[845,872,1962,1980]" pageId="10" pageNumber="145">AN</emphasis>
, SEM external detail of a valve apex lacking the rimoportula. Note the spines and small granules at the valve margin;
<emphasis id="B910AE0C99171330FDB4F87BFDFF24C6" bold="true" box="[526,553,1984,2002]" pageId="10" pageNumber="145">AO</emphasis>
, SEM internal view of an entire valve showing the slightly eccentric position of the rimoportula at one apex. Scale bars: A-AL, AN, 10 µm; AM, AO, 1 µm.
</paragraph>
</caption>
<paragraph id="8BDB721E99161331FF21FF6CFE252184" blockId="11.[130,777,215,656]" pageId="11" pageNumber="146">
The William Smith sample for
<taxonomicName id="4C64099D99161331FE53FF6CFD4E23E5" box="[489,664,215,241]" class="Bacillariophyceae" family="Fragilariaceae" genus="Synedra" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="11" pageNumber="146" phylum="Ochrophyta" rank="species" species="deformis">
<emphasis id="B910AE0C99161331FE53FF6CFD4E23E5" box="[489,664,215,241]" italics="true" pageId="11" pageNumber="146">Synedra deformis</emphasis>
</taxonomicName>
is entirely dominated by the latter species. Up to 80% of all observed diatoms in the sample belong to this species. Less frequent taxa in the slide include
<taxonomicName id="4C64099D99161331FEE2FE8CFDE22245" box="[344,564,311,337]" class="Bacillariophyceae" family="Fragilariaceae" genus="Fragilaria" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="11" pageNumber="146" phylum="Ochrophyta" rank="species" species="vaucheriae">
<emphasis id="B910AE0C99161331FEE2FE8CFDE22245" box="[344,564,311,337]" italics="true" pageId="11" pageNumber="146">Fragilaria vaucheriae</emphasis>
</taxonomicName>
,
<taxonomicName id="4C64099D99161331FDF8FE8CFEF92265" authority="(Kutz.) Grunow" authorityName="Grunow" baseAuthorityName="Kutz." class="Bacillariophyceae" family="Naviculaceae" genus="Amphora" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="146" phylum="Ochrophyta" rank="species" species="pediculus">
<emphasis id="B910AE0C99161331FDF8FE8CFCD12245" box="[578,775,311,337]" italics="true" pageId="11" pageNumber="146">Amphora pediculus</emphasis>
(Kütz.) Grunow
</taxonomicName>
,
<taxonomicName id="4C64099D99161331FE82FEECFD482265" authority="Lange-Bert." authorityName="Lange-Bert." box="[312,670,343,369]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="146" phylum="Ochrophyta" rank="species" species="cryptotenella">
<emphasis id="B910AE0C99161331FE82FEECFDCF2265" box="[312,537,343,369]" italics="true" pageId="11" pageNumber="146">Navicula cryptotenella</emphasis>
Lange-Bert.
</taxonomicName>
,
<taxonomicName id="4C64099D99161331FD1CFEE3FF142285" authority="Kutz." authorityName="Kutz." class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="146" phylum="Ochrophyta" rank="species" species="veneta">
<emphasis id="B910AE0C99161331FD1CFEE3FCD12265" box="[678,775,344,369]" italics="true" pageId="11" pageNumber="146">N. veneta</emphasis>
Kütz.
</taxonomicName>
,
<taxonomicName id="4C64099D99161331FF74FECCFE6E2285" authority="Ehrenb." authorityName="Ehrenb." box="[206,440,375,401]" class="Bacillariophyceae" family="Naviculaceae" genus="Navicula" kingdom="Chromista" order="Naviculales" pageId="11" pageNumber="146" phylum="Ochrophyta" rank="species" species="lanceolata">
<emphasis id="B910AE0C99161331FF74FECCFE8C2285" box="[206,346,375,401]" italics="true" pageId="11" pageNumber="146">N. lanceolata</emphasis>
Ehrenb.
</taxonomicName>
and
<taxonomicName id="4C64099D99161331FE4AFECCFED422A4" authority="(Kutz.) Rabenh. All" authorityName="Rabenh. All" baseAuthorityName="Kutz." class="Insecta" family="Menoponidae" genus="Nitzschia" kingdom="Animalia" order="Psocodea" pageId="11" pageNumber="146" phylum="Arthropoda" rank="species" species="dissipata">
<emphasis id="B910AE0C99161331FE4AFECCFD642285" box="[496,690,375,401]" italics="true" pageId="11" pageNumber="146">Nitzschia dissipata</emphasis>
(Kütz.) Rabenh. All
</taxonomicName>
these species are known to prefer circumneutral to alkaline, eutrophic, α- mesosaprobic conditions (Lange-Bertalot
<emphasis id="B910AE0C99161331FF3EFE6CFF6E22E4" box="[132,184,470,496]" italics="true" pageId="11" pageNumber="146">et al.</emphasis>
2017). Sample Grunow 907 was dominated in almost equal numbers by three taxa:
<taxonomicName id="4C64099D99161331FE0DFE4DFCD62104" box="[439,768,502,529]" class="Bacillariophyceae" family="Fragilariaceae" genus="Synedra" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="11" pageNumber="146" phylum="Ochrophyta" rank="variety" species="vaucheriae" variety="deformis">
<emphasis id="B910AE0C99161331FE0DFE4DFDAC2104" box="[439,634,502,528]" italics="true" pageId="11" pageNumber="146">Synedra vaucheriae</emphasis>
var.
<emphasis id="B910AE0C99161331FD10FE4DFCD62104" box="[682,768,502,528]" italics="true" pageId="11" pageNumber="146">deformis</emphasis>
</taxonomicName>
,
<taxonomicName id="4C64099D99161331FF3EFDADFDD12125" authority="(Kutz.) Kutz." authorityName="Kutz." baseAuthorityName="Kutz." box="[132,519,534,561]" class="Gastropoda" family="Caecidae" genus="Odontidium" kingdom="Animalia" order="Littorinimorpha" pageId="11" pageNumber="146" phylum="Mollusca" rank="species" species="mesodon">
<emphasis id="B910AE0C99161331FF3EFDADFEBC2124" box="[132,362,534,560]" italics="true" pageId="11" pageNumber="146">Odontidium mesodon</emphasis>
(Kütz.) Kütz.
</taxonomicName>
and
<taxonomicName id="4C64099D99161331FDFBFDADFE862144" authority="(Grev.) C. Agardh." authorityName="C. Agardh." baseAuthorityName="Grev." class="Bacillariophyceae" family="Fragilariaceae" genus="Meridion" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" pageId="11" pageNumber="146" phylum="Ochrophyta" rank="species" species="circulare">
<emphasis id="B910AE0C99161331FDFBFDADFCD02124" box="[577,774,534,560]" italics="true" pageId="11" pageNumber="146">Meridion circulare</emphasis>
(Grev.) C.Agardh.
</taxonomicName>
The latter two taxa are often found in oligo- to mesotrophic, circumneutral to weakly acid conditions (Lange-Bertalot
<emphasis id="B910AE0C99161331FECBFDCCFE722184" box="[369,420,630,656]" italics="true" pageId="11" pageNumber="146">et al.</emphasis>
2017).
</paragraph>
</subSubSection>
</treatment>
</document>