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<document id="3DE4458C431C23AD6A3FA834FC2D910D" ID-CLB-Dataset="6223" ID-DOI="10.11646/phytotaxa.24.1.6" ID-GBIF-Dataset="79707515-6744-427a-8ed5-00c1e1de8091" ID-ISSN="1179-3163" ID-Zenodo-Dep="4894503" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1622646528460" checkinUser="felipe" docAuthor="Vijver, Bart Van De &amp; Zidarova, Ralitsa" docDate="2011" docId="03DEC91DFFAE1537FF2BB1FBFBB9FA6E" docLanguage="en" docName="Phytotaxa.24.39-50.pdf.imf" docOrigin="Phytotaxa 24" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Pinnularia perlanceolata Van de Vijver &amp; Zidarova 2011, sp. nov." docType="treatment" docVersion="7" lastPageNumber="47" masterDocId="FFE7B165FFA6153FFFBCB16CFFBAFF94" masterDocTitle="Five new taxa in the genus Pinnularia sectio Distantes (Bacillariophyta) from Livingston Island (South Shetland Islands)" masterLastPageNumber="50" masterPageNumber="39" pageNumber="47" updateTime="1698998094682" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
<mods:mods id="D5CC9AE8260637E121D107F774423F05" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="3921D17D60D6214421E8DC51EB020EF0">
<mods:title id="04ACE62513C5B6B811A554B6B0D1BC25">Five new taxa in the genus Pinnularia sectio Distantes (Bacillariophyta) from Livingston Island (South Shetland Islands)</mods:title>
</mods:titleInfo>
<mods:name id="8EE242A064913E164C2339BEE15DCAD7" type="personal">
<mods:role id="D332712DE09F2A28F92650728179740F">
<mods:roleTerm id="748917E7C733F5E3020E331832C6A9B9">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="93E519E28E8E3FB262651B9BE3AD70CD">Vijver, Bart Van De</mods:namePart>
<mods:affiliation id="46F2BA5CB8170FE016C1BDF7776ADBBC">National Botanic Garden of Belgium, Department of Bryophytes &amp; Thallophytes, Domein van Bouchout, B- 1860 Meise, Belgium. E-mail: vandevijver @ br. fgov. be (corresponding author)</mods:affiliation>
</mods:name>
<mods:name id="3205246DB0DAC57FD7DCFB495F124388" type="personal">
<mods:role id="27FDC80C0D0F7D51E30CE86581E2FA54">
<mods:roleTerm id="B9CE935DE665E6884C885D0FA0379641">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="4ECA2D9386466175BB260342920C1FDE">Zidarova, Ralitsa</mods:namePart>
<mods:affiliation id="B5EBFEE5CE5AF476F872A8235ED2E394">Institute of Biodiversity and Ecosystem Research, BASc, Yurii Gagarin Str. 2, 1113 Sofia, Bulgaria. E-mail: ralliez @ abv. bg</mods:affiliation>
</mods:name>
<mods:typeOfResource id="1FA8FF5102EF1BAB7355628131FB61C2">text</mods:typeOfResource>
<mods:relatedItem id="1725FC40B420B853AEAEFCFD9C9CDD7B" type="host">
<mods:titleInfo id="60BC433B83C86CDC9886F45469F45618">
<mods:title id="9B3D663B6FAE82F3F1D1444989BB4C13">Phytotaxa</mods:title>
</mods:titleInfo>
<mods:part id="20551C5B1875113141DC303638898DD3">
<mods:date id="E80117E0372E762C4BD82E479BC16D6A">2011</mods:date>
<mods:detail id="21FC08EA14AD6705A02E1ED97BBF2C6C" type="pubDate">
<mods:number id="CF90EA435EEFBFC6AE7F038BA4421F50">2011-12-31</mods:number>
</mods:detail>
<mods:detail id="E73324142A39FC1BB0807BF8B84E0617" type="volume">
<mods:number id="72D9067E44B6BF3CE1166824F3FB5C25">24</mods:number>
</mods:detail>
<mods:extent id="A8EA9C5E44CA1A1FB66933136BF3ED76" unit="page">
<mods:start id="3742DCBFE3574F3740C17221D78ED3B6">39</mods:start>
<mods:end id="D6A5CFAE44A3AB646373B803D7D319D4">50</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:classification id="C491518BCBADABD25830B484FACFA917">journal article</mods:classification>
<mods:identifier id="F05CBDFCF51210EAD06CFC7E6FFACEE0" type="CLB-Dataset">6223</mods:identifier>
<mods:identifier id="7FFFF21D7FDCAE9E13C91F8E7FAE9E82" type="DOI">10.11646/phytotaxa.24.1.6</mods:identifier>
<mods:identifier id="D007C3A1DBC6C2A3ADA8037B5CE2AEF2" type="GBIF-Dataset">79707515-6744-427a-8ed5-00c1e1de8091</mods:identifier>
<mods:identifier id="398340E96DF05970974CD775D5A73839" type="ISSN">1179-3163</mods:identifier>
<mods:identifier id="B7E8CC51BDF0D3064F405374BC1A60D0" type="Zenodo-Dep">4894503</mods:identifier>
</mods:mods>
<treatment id="03DEC91DFFAE1537FF2BB1FBFBB9FA6E" ID-DOI="http://doi.org/10.5281/zenodo.4894394" ID-GBIF-Taxon="182642125" ID-Zenodo-Dep="4894394" LSID="urn:lsid:plazi:treatment:03DEC91DFFAE1537FF2BB1FBFBB9FA6E" httpUri="http://treatment.plazi.org/id/03DEC91DFFAE1537FF2BB1FBFBB9FA6E" lastPageNumber="47" pageId="8" pageNumber="47">
<subSubSection id="C36D2B80FFAE1537FF2BB1FBFE97FE08" pageId="8" pageNumber="47" type="nomenclature">
<paragraph id="8BC8780BFFAE1537FF2BB1FBFBA1FF26" blockId="8.[151,1051,151,178]" box="[151,1051,151,178]" pageId="8" pageNumber="47">
<heading id="D080CF67FFAE1537FF2BB1FBFBA1FF26" box="[151,1051,151,178]" fontSize="11" level="2" pageId="8" pageNumber="47" reason="3">
<emphasis id="B903A419FFAE1537FF2BB1FBFCC7FF25" bold="true" box="[151,893,151,177]" pageId="8" pageNumber="47">
<taxonomicName id="4C770388FFAE1537FF2BB1FBFCAFFF25" authority="Van de Vijver &amp; Zidarova" authorityName="Van de Vijver &amp; Zidarova" authorityYear="2011" box="[151,789,151,177]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="47" phylum="Bacillariophyta" rank="species" species="perlanceolata" status="sp. nov.">
<emphasis id="B903A419FFAE1537FF2BB1FBFE7CFF25" bold="true" box="[151,454,151,177]" italics="true" pageId="8" pageNumber="47">Pinnularia perlanceolata</emphasis>
Van de Vijver &amp; Zidarova
</taxonomicName>
,
<emphasis id="B903A419FFAE1537FC9EB1FBFCC7FF25" bold="true" box="[802,893,151,177]" italics="true" pageId="8" pageNumber="47">
<taxonomicNameLabel id="A2301962FFAE1537FC9EB1FBFCC7FF25" box="[802,893,151,177]" pageId="8" pageNumber="47" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</emphasis>
(
<figureCitation id="134C648EFFAE1537FC30B1F4FBA9FF26" box="[908,1043,152,178]" captionStart="FIGURES 39–56" captionStartId="7.[151,271,1833,1857]" captionTargetBox="[151,1436,153,1816]" captionTargetId="figure-118@7.[151,1436,153,1816]" captionTargetPageId="7" captionText="FIGURES 39–56. Pinnularia laterotundata sp. nov., Pinnularia perlanceolata sp. nov. and Pinnularia quesadae sp. nov. from Byers Peninsula. Figs 39–44. Pinnularia laterotundata sp. nov. Figs 39–44. LM of valves from specimens of type population. Figs 45–50. Pinnularia perlanceolata sp. nov. Figs 45–49. LM of valves from specimens of type population. Fig. 50. SEM of external view of entire valve. Figs 51–56. Pinnularia quesadae sp. nov. Figs 51–55. LM of valves from specimens of type population. Fig. 56. SEM of external view of entire valve. Scale bar = 10 µm, except Figs 50 &amp; 56, scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.4894514" httpUri="https://zenodo.org/record/4894514/files/figure.png" pageId="8" pageNumber="47">Figs 45–50</figureCitation>
)
</heading>
</paragraph>
<paragraph id="8BC8780BFFAE1537FF2BB189FE97FE08" blockId="8.[151,1436,229,412]" pageId="8" pageNumber="47">
<emphasis id="B903A419FFAE1537FF2BB189FE97FE08" italics="true" pageId="8" pageNumber="47">
<collectingRegion id="49B3B6E9FFAE1537FF2BB189FF64FF68" box="[151,222,229,252]" country="Bulgaria" name="Vratsa" pageId="8" pageNumber="47">Valvae</collectingRegion>
elliptico-lanceolatae marginibus calro convexis, apicibusque non-protractis, late rotundatis. Dimensiones (n=17): longitudo
<quantity id="4C8FD5EEFFAE1537FE32B069FD9EFE88" box="[398,548,261,284]" metricMagnitude="-2" metricUnit="m" metricValue="2.965" metricValueMax="3.55" metricValueMin="2.38" pageId="8" pageNumber="47" unit="mm" value="29.65" valueMax="35.5" valueMin="23.8">23.8–35.5 µm</quantity>
, latitudo
<quantity id="4C8FD5EEFFAE1537FD35B069FCA5FE88" box="[649,799,261,284]" metricMagnitude="-2" metricUnit="m" metricValue="1.17" metricValueMax="1.28" metricValueMin="1.06" pageId="8" pageNumber="47" unit="mm" value="11.7" valueMax="12.8" valueMin="10.6">10.6–12.8 µm</quantity>
. Area axialis moderate angusta, linearis, dilatans ad aream centralem. Area centralis parva ad moderate lata, rotundata ad rectangularis. Fascia abest. Raphe fere recta ad leviter curvata, terminationibus raphis proximalibus rectis ad unilateraliter leviter deflexis, poriformibus. Fissurae distales unciformes. Striae transapicales latae, distincte radiatae ad aream centralem, minus radiatae in apices,
<quantity id="4C8FD5EEFFAE1537FAC8B009FF66FE08" metricMagnitude="-1" metricUnit="m" metricValue="1.397" metricValueMax="1.524" metricValueMin="1.27" pageId="8" pageNumber="47" unit="in" value="5.5" valueMax="6.0" valueMin="5.0">5–6 in</quantity>
<quantity id="4C8FD5EEFFAE1537FF5EB0E9FE90FE08" box="[226,298,389,412]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="8" pageNumber="47" unit="mm" value="10.0">10 µm</quantity>
.
</emphasis>
</paragraph>
</subSubSection>
<subSubSection id="C36D2B80FFAE1537FF2BB0A0FCBFFD5A" pageId="8" pageNumber="47" type="description">
<paragraph id="8BC8780BFFAE1537FF2BB0A0FCBFFD5A" blockId="8.[151,1436,460,1530]" pageId="8" pageNumber="47">
Valves elliptic-lanceolate to rhombic-lanceolate with clearly convex valve margins and rather broadly rounded, non protracted but clearly narrowing apices. Valve dimensions (n=17): length
<quantity id="4C8FD5EEFFAE1537FB18B09EFAF6FD98" box="[1188,1356,498,524]" metricMagnitude="-2" metricUnit="m" metricValue="2.965" metricValueMax="3.55" metricValueMin="2.38" pageId="8" pageNumber="47" unit="mm" value="29.65" valueMax="35.5" valueMin="23.8">23.8–35.5 µm</quantity>
, width
<quantity id="4C8FD5EEFFAE1537FF2BB375FEF8FDA7" box="[151,322,537,563]" metricMagnitude="-2" metricUnit="m" metricValue="1.17" metricValueMax="1.28" metricValueMin="1.06" pageId="8" pageNumber="47" unit="mm" value="11.7" valueMax="12.8" valueMin="10.6">10.6–12.8 µm</quantity>
. Axial area (moderately) narrow, linear, widening towards central area. Central area small to moderately large, rounded to rectangular, bordered by 1–2 short striae. Raphe almost straight to weakly curved, with straight to unilaterally slightly deflected proximal, pore-like endings (
<figureCitation id="134C648EFFAE1537FB3CB30AFB61FD14" box="[1152,1243,614,640]" captionStart="FIGURES 39–56" captionStartId="7.[151,271,1833,1857]" captionTargetBox="[151,1436,153,1816]" captionTargetId="figure-118@7.[151,1436,153,1816]" captionTargetPageId="7" captionText="FIGURES 39–56. Pinnularia laterotundata sp. nov., Pinnularia perlanceolata sp. nov. and Pinnularia quesadae sp. nov. from Byers Peninsula. Figs 39–44. Pinnularia laterotundata sp. nov. Figs 39–44. LM of valves from specimens of type population. Figs 45–50. Pinnularia perlanceolata sp. nov. Figs 45–49. LM of valves from specimens of type population. Fig. 50. SEM of external view of entire valve. Figs 51–56. Pinnularia quesadae sp. nov. Figs 51–55. LM of valves from specimens of type population. Fig. 56. SEM of external view of entire valve. Scale bar = 10 µm, except Figs 50 &amp; 56, scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.4894514" httpUri="https://zenodo.org/record/4894514/files/figure.png" pageId="8" pageNumber="47">Fig. 50</figureCitation>
). Distal fissures sickle-shaped. Transapical striae broad, distant, clearly radiate near central area, becoming slightly less radiate near apices,
<quantity id="4C8FD5EEFFAE1537FE94B3D8FEC8FD5A" box="[296,370,692,718]" metricMagnitude="-1" metricUnit="m" metricValue="1.397" metricValueMax="1.524" metricValueMin="1.27" pageId="8" pageNumber="47" unit="in" value="5.5" valueMax="6.0" valueMin="5.0">5–6 in</quantity>
<quantity id="4C8FD5EEFFAE1537FEC6B3D8FE73FD5A" box="[378,457,692,718]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="8" pageNumber="47" unit="mm" value="10.0">10 µm</quantity>
. Longitudinal lines absent.
</paragraph>
</subSubSection>
<subSubSection id="C36D2B80FFAE1537FF7AB3B6FF5EFB97" pageId="8" pageNumber="47" type="materials_examined">
<paragraph id="8BC8780BFFAE1537FF7AB3B6FDE8FCD6" blockId="8.[151,1436,460,1530]" pageId="8" pageNumber="47">
<emphasis id="B903A419FFAE1537FF7AB3B6FEB9FD60" bold="true" box="[198,259,730,756]" pageId="8" pageNumber="47">Type</emphasis>
:—
<materialsCitation id="3B1F7256FFAE1537FE9BB3B6FDF4FCD6" ID-GBIF-Occurrence="3128184303" collectingDate="2009-01-18" collectionCode="BR, BRM" collectorName="Byers Peninsula &amp; B. Van de Vijver" country="Belgium" county="University of Antwerp" location="Livingston Island" municipality="Van de Vijver" pageId="8" pageNumber="47" specimenCount="1" typeStatus="holotype">
<collectorName id="26821DDDFFAE1537FE9BB3B6FE50FD60" box="[295,490,730,756]" pageId="8" pageNumber="47">Byers Peninsula</collectorName>
,
<location id="8EA82ED0FFAE1537FE4AB3B6FD7CFD60" LSID="urn:lsid:plazi:treatment:03DEC91DFFAE1537FF2BB1FBFBB9FA6E:8EA82ED0FFAE1537FE4AB3B6FD7CFD60" box="[502,710,730,756]" country="Belgium" county="University of Antwerp" municipality="Van de Vijver" name="Livingston Island" pageId="8" pageNumber="47">Livingston Island</location>
,
<location id="8EA82ED0FFAE1537FD6FB3B6FC59FD60" LSID="urn:lsid:plazi:treatment:03DEC91DFFAE1537FF2BB1FBFBB9FA6E:8EA82ED0FFAE1537FD6FB3B6FC59FD60" box="[723,995,730,756]" country="Belgium" county="University of Antwerp" municipality="Van de Vijver" name="South Shetland Islands" pageId="8" pageNumber="47">South Shetland Islands</location>
, sample BY67, leg.
<collectorName id="26821DDDFFAE1537FB6DB3B6FA2DFD60" box="[1233,1431,730,756]" pageId="8" pageNumber="47">
B.
<collectingMunicipality id="6BACE271FFAE1537FB48B3B6FA2DFD60" box="[1268,1431,730,756]" pageId="8" pageNumber="47">Van de Vijver</collectingMunicipality>
</collectorName>
, coll. date
<date id="FFC95ECBFFAE1537FEAEB26DFE1AFC8F" box="[274,416,769,795]" pageId="8" pageNumber="47" value="2009-01-18">
<collectingDate id="EF8DA723FFAE1537FEAEB26DFE1AFC8F" box="[274,416,769,795]" pageId="8" pageNumber="47" value="2009-01-18">18/01/2009</collectingDate>
</date>
, slide no. BR-4236 (
<typeStatus id="54CCC6A9FFAE1537FD1CB26DFCB7FC8F" box="[672,781,769,795]" pageId="8" pageNumber="47" type="holotype">holotype</typeStatus>
<collectionCode id="ED66E0CEFFAE1537FCAAB26DFCF8FC8F" box="[790,834,769,795]" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection" pageId="8" pageNumber="47">BR</collectionCode>
), slide PLP-186 (isotype
<collectingCounty id="62A90087FFAE1537FBC1B26DFA2DFC8F" box="[1149,1431,769,795]" pageId="8" pageNumber="47">University of Antwerp</collectingCounty>
,
<collectingCountry id="F360389BFFAE1537FF2BB244FEBBFCD6" box="[151,257,808,834]" name="Belgium" pageId="8" pageNumber="47">Belgium</collectingCountry>
), BRM-7/99 (isotype
<collectionCode id="ED66E0CEFFAE1537FDBCB244FDFCFCD6" box="[512,582,808,834]" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:14903" lsid="urn:lsid:biocol.org:col:14903" name="Alfred-Wegener-Institut für Polar- und Meeresforschung" pageId="8" pageNumber="47" type="Herbarium">BRM</collectionCode>
)
</materialsCitation>
.
</paragraph>
<paragraph id="8BC8780BFFAE1537FF7AB222FF5EFB97" blockId="8.[151,1436,460,1530]" pageId="8" pageNumber="47">
<emphasis id="B903A419FFAE1537FF7AB222FDBAFCFC" bold="true" box="[198,512,846,872]" pageId="8" pageNumber="47">Habitat and Distribution</emphasis>
:—
<taxonomicName id="4C770388FFAE1537FD99B223FCEAFCFC" authorityName="Van de Vijver &amp; Zidarova" authorityYear="2011" box="[549,848,847,872]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="47" phylum="Bacillariophyta" rank="species" species="perlanceolata">
<emphasis id="B903A419FFAE1537FD99B223FCEAFCFC" box="[549,848,847,872]" italics="true" pageId="8" pageNumber="47">Pinnularia perlanceolata</emphasis>
</taxonomicName>
has only been found on Livingston Island. It is a very rare species and so far only observed in one large (
<quantity id="4C8FD5EEFFAE1537FC95B219FCD3FC1B" box="[809,873,885,911]" metricMagnitude="1" metricUnit="m" metricValue="7.0" pageId="8" pageNumber="47" unit="m" value="70.0">70 m</quantity>
²), circumneutral (pH 7.3) shallow pool near the southern beaches of Byers Peninsula surrounded by fellfields and moss vegetations, growing into the water. The sediment of the pool was very fine and mainly composed of algal mats. This was the source of sample BY67.
</paragraph>
</subSubSection>
<subSubSection id="C36D2B80FFAE1537FF7AB563FBB9FA6E" pageId="8" pageNumber="47" type="etymology">
<paragraph id="8BC8780BFFAE1537FF7AB563FB6CFBBE" blockId="8.[151,1436,460,1530]" box="[198,1238,1039,1066]" pageId="8" pageNumber="47">
<emphasis id="B903A419FFAE1537FF7AB563FEF7FBBD" bold="true" box="[198,333,1039,1065]" pageId="8" pageNumber="47">Etymology</emphasis>
:—the specific epithet refers to the similarity with
<taxonomicName id="4C770388FFAE1537FC22B57CFB75FBBD" authorityName="Boye-Petersen" authorityYear="1928" box="[926,1231,1040,1066]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="47" phylum="Bacillariophyta" rank="variety" species="borealis" variety="lanceolata">
<emphasis id="B903A419FFAE1537FC22B57CFBA0FBBD" box="[926,1050,1040,1065]" italics="true" pageId="8" pageNumber="47">P. borealis</emphasis>
var.
<emphasis id="B903A419FFAE1537FBEFB57CFB75FBBD" box="[1107,1231,1040,1065]" italics="true" pageId="8" pageNumber="47">lanceolata</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="8BC8780BFFAE1537FF7AB55AFF68FA86" blockId="8.[151,1436,460,1530]" pageId="8" pageNumber="47">
<emphasis id="B903A419FFAE1537FF7AB55AFED6FBC4" bold="true" box="[198,364,1078,1104]" pageId="8" pageNumber="47">Observations</emphasis>
:—
<taxonomicName id="4C770388FFAE1537FE2EB55BFD07FBC4" authorityName="Van de Vijver &amp; Zidarova" authorityYear="2011" box="[402,701,1079,1104]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="47" phylum="Bacillariophyta" rank="species" species="perlanceolata">
<emphasis id="B903A419FFAE1537FE2EB55BFD07FBC4" box="[402,701,1079,1104]" italics="true" pageId="8" pageNumber="47">Pinnularia perlanceolata</emphasis>
</taxonomicName>
has similarities with both
<taxonomicName id="4C770388FFAE1537FC41B55BFA8EFBC4" authorityName="Boye-Petersen" authorityYear="1928" box="[1021,1332,1078,1104]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="47" phylum="Bacillariophyta" rank="variety" species="borealis" variety="lanceolata">
<emphasis id="B903A419FFAE1537FC41B55BFBC1FBC4" box="[1021,1147,1079,1104]" italics="true" pageId="8" pageNumber="47">P. borealis</emphasis>
var.
<emphasis id="B903A419FFAE1537FB04B55BFA8EFBC4" box="[1208,1332,1079,1104]" italics="true" pageId="8" pageNumber="47">lanceolata</emphasis>
</taxonomicName>
and
<taxonomicName id="4C770388FFAE1537FACDB55AFF52FBE2" authorityName="Manguin" authorityYear="1952" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="47" phylum="Bacillariophyta" rank="variety" species="borealis" variety="undata">
var.
<emphasis id="B903A419FFAE1537FF2BB531FF52FBE2" box="[151,232,1117,1142]" italics="true" pageId="8" pageNumber="47">undata</emphasis>
</taxonomicName>
(Table 1).
<taxonomicName id="4C770388FFAE1537FEDBB531FD6FFBE2" authorityName="Manguin" authorityYear="1952" box="[359,725,1117,1143]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="47" phylum="Bacillariophyta" rank="variety" species="borealis" variety="undata">
<emphasis id="B903A419FFAE1537FEDBB531FDF1FBE2" box="[359,587,1117,1142]" italics="true" pageId="8" pageNumber="47">Pinnularia borealis</emphasis>
var.
<emphasis id="B903A419FFAE1537FD38B531FD6FFBE2" box="[644,725,1117,1142]" italics="true" pageId="8" pageNumber="47">undata</emphasis>
</taxonomicName>
has more acutely rounded apices and is slightly larger, while the
<taxonomicName id="4C770388FFAE1537FF79B5E8FEC4FB09" authorityName="Boye-Petersen" authorityYear="1928" box="[197,382,1156,1182]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="47" phylum="Bacillariophyta" rank="variety" species="borealis" variety="lanceolata">
var.
<emphasis id="B903A419FFAE1537FF40B5E8FEC4FB09" box="[252,382,1156,1181]" italics="true" pageId="8" pageNumber="47">lanceolata</emphasis>
</taxonomicName>
non sensu Krammer has more lanceolate valves with more distant striae.
<taxonomicName id="4C770388FFAE1537FAABB5E8FDB8FB50" authorityName="Van de Vijver &amp; Zidarova" authorityYear="2011" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="47" phylum="Bacillariophyta" rank="variety" species="borealis" variety="pseudolanceolata">
<emphasis id="B903A419FFAE1537FAABB5E8FF4CFB50" italics="true" pageId="8" pageNumber="47">Pinnularia borealis</emphasis>
var.
<emphasis id="B903A419FFAE1537FE8EB5C7FDB8FB50" box="[306,514,1195,1220]" italics="true" pageId="8" pageNumber="47">pseudolanceolata</emphasis>
</taxonomicName>
has a higher number of striae (6–8 vs.
<quantity id="4C8FD5EEFFAE1537FC6AB5C6FB9BFB50" box="[982,1057,1194,1220]" metricMagnitude="-1" metricUnit="m" metricValue="1.397" metricValueMax="1.524" metricValueMin="1.27" pageId="8" pageNumber="47" unit="in" value="5.5" valueMax="6.0" valueMin="5.0">5–6 in</quantity>
<quantity id="4C8FD5EEFFAE1537FB95B5C6FBCDFB50" box="[1065,1143,1194,1220]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="8" pageNumber="47" unit="mm" value="10.0">10 µm</quantity>
in
<taxonomicName id="4C770388FFAE1537FB22B5C7FADAFB50" authorityName="Van de Vijver &amp; Zidarova" authorityYear="2011" box="[1182,1376,1195,1220]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="47" phylum="Bacillariophyta" rank="species" species="perlanceolata">
<emphasis id="B903A419FFAE1537FB22B5C7FADAFB50" box="[1182,1376,1195,1220]" italics="true" pageId="8" pageNumber="47">P. perlanceolata</emphasis>
</taxonomicName>
) and narrower valves (up to
<quantity id="4C8FD5EEFFAE1537FE10B5BDFDBBFB7F" box="[428,513,1233,1259]" metricMagnitude="-3" metricUnit="m" metricValue="9.5" pageId="8" pageNumber="47" unit="mm" value="9.5">9.5 µm</quantity>
vs.
<quantity id="4C8FD5EEFFAE1537FD8FB5BDFD73FB7F" box="[563,713,1233,1259]" metricMagnitude="-1" metricUnit="m" metricValue="2.9718" metricValueMax="3.2512" metricValueMin="2.6924" pageId="8" pageNumber="47" unit="in" value="11.7" valueMax="12.8" valueMin="10.6">10.6–12.8 in</quantity>
<taxonomicName id="4C770388FFAE1537FD6DB5BDFC29FB7E" authorityName="Van de Vijver &amp; Zidarova" authorityYear="2011" box="[721,915,1233,1258]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="47" phylum="Bacillariophyta" rank="species" species="perlanceolata">
<emphasis id="B903A419FFAE1537FD6DB5BDFC29FB7E" box="[721,915,1233,1258]" italics="true" pageId="8" pageNumber="47">P. perlanceolata</emphasis>
</taxonomicName>
). [For further comment see
<taxonomicName id="4C770388FFAE1537FB58B5BDFAC9FB7E" authority="Vijver &amp; Zidarova, 2011" authorityName="Van de Vijver &amp; Zidarova" authorityYear="2011" box="[1252,1395,1233,1258]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="47" phylum="Bacillariophyta" rank="species" species="quesadae" status="sp. nov.">
<emphasis id="B903A419FFAE1537FB58B5BDFAC9FB7E" box="[1252,1395,1233,1258]" italics="true" pageId="8" pageNumber="47">P. quesadae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2301962FFAE1537FAC6B5BDFF71FA86" pageId="8" pageNumber="47" rank="species">sp. nov.</taxonomicNameLabel>
]
</paragraph>
<paragraph id="8BC8780BFFAE1537FF7AB473FBB9FA6E" blockId="8.[151,1436,460,1530]" pageId="8" pageNumber="47">
<taxonomicName id="4C770388FFAE1537FF7AB473FDF3FAAC" authorityName="Boye-Petersen" authorityYear="1928" box="[198,585,1310,1336]" class="Bacillariophyceae" family="Naviculaceae" form="lanceolata" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="47" phylum="Bacillariophyta" rank="form" species="borealis">
<emphasis id="B903A419FFAE1537FF7AB473FE16FAAC" box="[198,428,1311,1336]" italics="true" pageId="8" pageNumber="47">Pinnularia borealis</emphasis>
f.
<emphasis id="B903A419FFAE1537FE71B473FDF3FAAC" box="[461,585,1311,1336]" italics="true" pageId="8" pageNumber="47">lanceolata</emphasis>
</taxonomicName>
may possible be the same taxon but it has less elliptic-lanceolate valves and a larger axial area. Boye-Petersen also described a
<taxonomicName id="4C770388FFAE1537FC9CB429FB7CFACB" authority="(Boye-Petersen 1928: 402)" baseAuthorityName="Boye-Petersen" baseAuthorityPageNumber="402" baseAuthorityYear="1928" box="[800,1222,1349,1375]" form="ovalis" pageId="8" pageNumber="47" rank="form">
f.
<emphasis id="B903A419FFAE1537FC85B429FCC5FACA" box="[825,895,1349,1374]" italics="true" pageId="8" pageNumber="47">ovalis</emphasis>
(
<bibRefCitation id="EFE605FAFFAE1537FC32B429FB04FACB" author="Boye-Petersen, J." box="[910,1214,1349,1375]" pageId="8" pageNumber="47" pagination="325 - 447" refId="ref6623" refString="Boye-Petersen, J. (1928) The aerial algae of Iceland. In: Rosenvinge, L. K. &amp; Warming, E. (eds.), The Botany of Iceland, vol. 2, part 2, no. 8. J. Frimodt, Kobenhavn, pp. 325 - 447." type="book chapter" year="1928">Boye-Petersen 1928: 402</bibRefCitation>
)
</taxonomicName>
, which has valves with a clearly elliptic outline and broadly rounded, less tapering valve ends in contrast to
<taxonomicName id="4C770388FFAE1537FB16B400FAD3FA11" authorityName="Van de Vijver &amp; Zidarova" authorityYear="2011" box="[1194,1385,1388,1413]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="47" phylum="Bacillariophyta" rank="species" species="perlanceolata">
<emphasis id="B903A419FFAE1537FB16B400FAD3FA11" box="[1194,1385,1388,1413]" italics="true" pageId="8" pageNumber="47">P. perlanceolata</emphasis>
</taxonomicName>
that has valves that are more rhombic-lanceolate with narrowing apices. A similar situation applies for
<taxonomicName id="4C770388FFAE1537FA9CB4FFFD9EFA47" authority="Zanon (1938: 246)" authorityName="Zanon" authorityPageNumber="246" authorityYear="1938" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="47" phylum="Bacillariophyta" rank="variety" species="borealis" variety="elliptica">
<emphasis id="B903A419FFAE1537FA9CB4FFFA26FA38" box="[1312,1436,1427,1452]" italics="true" pageId="8" pageNumber="47">P. borealis</emphasis>
var.
<emphasis id="B903A419FFAE1537FF71B4D5FE8BFA46" box="[205,305,1465,1490]" italics="true" pageId="8" pageNumber="47">elliptica</emphasis>
<bibRefCitation id="EFE605FAFFAE1537FE86B4D5FD9EFA47" author="Zanon, D. V." box="[314,548,1465,1491]" pageId="8" pageNumber="47" pagination="217 - 262" refId="ref8337" refString="Zanon, D. V. (1938) Diatomee d'acque dolce dello Spitzberg. Archivio Botanico, Nueva Serie 14: 217 - 262." type="journal article" year="1938">Zanon (1938: 246)</bibRefCitation>
</taxonomicName>
, described from Spitsbergen, which have valves with a clearly elliptical outline but with a less prominent larger width near the middle of the valve.
</paragraph>
</subSubSection>
</treatment>
</document>
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