treatments-xml/data/03/DE/C9/03DEC91DFFA31539FF2BB2F1FD50FD16.xml

<document id="C010D73BCDB24DB1311F8FA9107F4E47" 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="03DEC91DFFA31539FF2BB2F1FD50FD16" 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 borealis var. pseudolanceolata Van de Vijver &amp; Zidarova 2011, var. nov." docType="treatment" docVersion="8" lastPageNumber="45" masterDocId="FFE7B165FFA6153FFFBCB16CFFBAFF94" masterDocTitle="Five new taxa in the genus Pinnularia sectio Distantes (Bacillariophyta) from Livingston Island (South Shetland Islands)" masterLastPageNumber="50" masterPageNumber="39" pageNumber="44" updateTime="1698998094682" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="5F9F5F1382FD62DBBD15372CEDA5DAEE">Five new taxa in the genus Pinnularia sectio Distantes (Bacillariophyta) from Livingston Island (South Shetland Islands)</mods:title>
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<mods:namePart id="C1F4D8C7E50CD390F1B825D68A9C9F13">Vijver, Bart Van De</mods:namePart>
<mods:affiliation id="E2FCAFB724C415450B6237BD0E307DDD">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>
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<mods:namePart id="DEC319B47D3DF3A092D671B8816A550A">Zidarova, Ralitsa</mods:namePart>
<mods:affiliation id="DD61DAD4FCE5B48DED27DC83179247DD">Institute of Biodiversity and Ecosystem Research, BASc, Yurii Gagarin Str. 2, 1113 Sofia, Bulgaria. E-mail: ralliez @ abv. bg</mods:affiliation>
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<mods:title id="67FAC527E067520AA31CEDD7900CE08C">Phytotaxa</mods:title>
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<mods:date id="766EB01F89455C964369D1584DDC731A">2011</mods:date>
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<treatment id="03DEC91DFFA31539FF2BB2F1FD50FD16" ID-DOI="http://doi.org/10.5281/zenodo.4917906" ID-GBIF-Taxon="182642128" ID-Zenodo-Dep="4917906" LSID="urn:lsid:plazi:treatment:03DEC91DFFA31539FF2BB2F1FD50FD16" httpUri="http://treatment.plazi.org/id/03DEC91DFFA31539FF2BB2F1FD50FD16" lastPageId="6" lastPageNumber="45" pageId="5" pageNumber="44">
<subSubSection id="C36D2B80FFA3153AFF2BB2F1FB5CFC23" box="[151,1254,925,951]" pageId="5" pageNumber="44" type="nomenclature">
<paragraph id="8BC8780BFFA3153AFF2BB2F1FB5CFC23" blockId="5.[151,1254,925,951]" box="[151,1254,925,951]" pageId="5" pageNumber="44">
<heading id="D080CF67FFA3153AFF2BB2F1FB5CFC23" box="[151,1254,925,951]" fontSize="11" level="2" pageId="5" pageNumber="44" reason="3">
<emphasis id="B903A419FFA3153AFF2BB2F1FBF1FC23" bold="true" box="[151,1099,925,951]" pageId="5" pageNumber="44">
<taxonomicName id="4C770388FFA3153AFF2BB2F1FC62FC23" authority="Van de Vijver &amp; Zidarova" authorityName="Van de Vijver &amp; Zidarova" authorityYear="2011" box="[151,984,925,951]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="44" phylum="Bacillariophyta" rank="variety" species="borealis" status="var. nov." variety="pseudolanceolata">
<emphasis id="B903A419FFA3153AFF2BB2F1FEC7FC23" bold="true" box="[151,381,925,951]" italics="true" pageId="5" pageNumber="44">Pinnularia borealis</emphasis>
var. 
<emphasis id="B903A419FFA3153AFE00B2F1FD30FC23" bold="true" box="[444,650,925,951]" italics="true" pageId="5" pageNumber="44">pseudolanceolata</emphasis>
Van de Vijver &amp; Zidarova
</taxonomicName>
, 
<emphasis id="B903A419FFA3153AFC58B2F1FBF1FC23" bold="true" box="[996,1099,925,951]" italics="true" pageId="5" pageNumber="44">
<taxonomicNameLabel id="A2301962FFA3153AFC58B2F1FBF1FC23" box="[996,1099,925,951]" pageId="5" pageNumber="44" rank="variety">var. nov.</taxonomicNameLabel>
</emphasis>
</emphasis>
(
<figureCitation id="134C648EFFA3153AFBE6B2F1FB67FC23" box="[1114,1245,925,951]" captionStart="FIGURES 18–38" captionStartId="4.[151,271,1869,1893]" captionTargetBox="[151,1436,189,1852]" captionTargetId="figure-113@4.[151,1436,189,1852]" captionTargetPageId="4" captionText="FIGURES 18–38. Pinnularia australoborealis sp. nov. and Pinnularia borealis var. pseudolanceolata var. nov. from Byers Peninsula. Figs 18–25. Pinnularia australoborealis sp. nov. Figs 18–24. LM of valves from the specimens of type population. Fig. 25. SEM of external detail of the central area with the central raphe endings. Figs 26–38. Pinnularia borealis var. pseudolanceolata var. nov. Figs 26–37. LM of valves from the specimens of type population. Fig. 38. SEM of external view of entire valve. Scale bar = 10 µm, except Figs 25 &amp; 38, scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.4894512" httpUri="https://zenodo.org/record/4894512/files/figure.png" pageId="5" pageNumber="44">Figs 26–38</figureCitation>
)
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C36D2B80FFA3153AFF2BB286FC86FB35" pageId="5" pageNumber="44" type="diagnosis">
<paragraph id="8BC8780BFFA3153AFF2BB286FC86FB35" blockId="5.[151,1436,1002,1185]" pageId="5" pageNumber="44">
<emphasis id="B903A419FFA3153AFF2BB286FC86FB35" italics="true" pageId="5" pageNumber="44">
<collectingRegion id="49B3B6E9FFA3153AFF2BB286FF64FB95" box="[151,222,1002,1025]" country="Bulgaria" name="Vratsa" pageId="5" pageNumber="44">Valvae</collectingRegion>
claro lanceolatae marginibus convexibus, apicibusque acute rotundatis, non protractis. Dimensiones (n=20): longitudo 
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, latitudo 
<quantity id="4C8FD5EEFFA3153AFD87B566FD01FBB5" box="[571,699,1034,1057]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" metricValueMax="9.5" metricValueMin="7.5" pageId="5" pageNumber="44" unit="mm" value="8.5" valueMax="9.5" valueMin="7.5">7.5–9.5 µm</quantity>
. Area axialis angusta, linearis, dilatans ad aream centralem. Area centralis potius parva, rotundata, leviter asymmetrica. Fascia abest. Raphe fere recta ad leviter curvata terminationibus proximalibus guttiformibus leviter ad moderate deflexis. Fissurae distales unciformes. Striae transapicales densiores quam speciebus aliis sectionis 
<taxonomicName id="4C770388FFA3153AFCAAB506FCC7FB15" box="[790,893,1130,1153]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="50" phylum="Bacillariophyta" rank="section" section="Distantes">Distantes</taxonomicName>
, leviter ad fortiter radiatae in media parte valvae, parallelae ad leviter convergentes in apices, 
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<quantity id="4C8FD5EEFFA3153AFD4DB5E6FC82FB35" box="[753,824,1162,1185]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="5" pageNumber="44" unit="mm" value="10.0">10 µm</quantity>
.
</emphasis>
</paragraph>
</subSubSection>
<subSubSection id="C36D2B80FFA3153AFF2BB5BDFEBFFA6E" pageId="5" pageNumber="44" type="description">
<paragraph id="8BC8780BFFA3153AFF2BB5BDFEBFFA6E" blockId="5.[151,1436,1233,2032]" pageId="5" pageNumber="44">
Valves clearly lanceolate with convex valve margins and acutely rounded, non protracted ends. Valve dimensions (n=20): length 
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, width 
<quantity id="4C8FD5EEFFA3153AFD68B594FCE5FA86" box="[724,863,1272,1298]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" metricValueMax="9.5" metricValueMin="7.5" pageId="5" pageNumber="44" unit="mm" value="8.5" valueMax="9.5" valueMin="7.5">7.5–9.5 µm</quantity>
. Axial area narrow, linear, widening towards the central area. Central area rather small, rounded, slightly asymmetrical, usually bordered by 1–2 (occasionally 3), short striae. Raphe almost straight to slightly curved with weakly to moderately (continuously) deflected to one side proximal, pore-like endings. Distal fissures weakly sickle-shaped. Transapical striae denser than other members of 
<taxonomicName id="4C770388FFA3153AFEC9B4FFFE5DFA38" box="[373,487,1427,1452]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="50" phylum="Bacillariophyta" rank="section" section="Distantes">
<emphasis id="B903A419FFA3153AFEC9B4FFFE5DFA38" box="[373,487,1427,1452]" italics="true" pageId="5" pageNumber="44">Distantes</emphasis>
</taxonomicName>
, weakly to strongly radiate in middle, occasionally almost parallel, becoming parallel to weakly convergent near apices, 
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<quantity id="4C8FD5EEFFA3153AFD61B4D5FC96FA47" box="[733,812,1465,1491]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="5" pageNumber="44" unit="mm" value="10.0">10 µm</quantity>
, composed of 5–7 rows of very small, rounded pores (
<figureCitation id="134C648EFFA3153AFF23B48CFF4DFA6E" box="[159,247,1504,1530]" captionStart="FIGURES 18–38" captionStartId="4.[151,271,1869,1893]" captionTargetBox="[151,1436,189,1852]" captionTargetId="figure-113@4.[151,1436,189,1852]" captionTargetPageId="4" captionText="FIGURES 18–38. Pinnularia australoborealis sp. nov. and Pinnularia borealis var. pseudolanceolata var. nov. from Byers Peninsula. Figs 18–25. Pinnularia australoborealis sp. nov. Figs 18–24. LM of valves from the specimens of type population. Fig. 25. SEM of external detail of the central area with the central raphe endings. Figs 26–38. Pinnularia borealis var. pseudolanceolata var. nov. Figs 26–37. LM of valves from the specimens of type population. Fig. 38. SEM of external view of entire valve. Scale bar = 10 µm, except Figs 25 &amp; 38, scale bar = 5 µm." figureDoi="http://doi.org/10.5281/zenodo.4894512" httpUri="https://zenodo.org/record/4894512/files/figure.png" pageId="5" pageNumber="44">Fig. 38</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C36D2B80FFA3153AFF7AB76AFF4FF837" pageId="5" pageNumber="44" type="materials_examined">
<paragraph id="8BC8780BFFA3153AFF7AB76AFDE2F9FA" blockId="5.[151,1436,1233,2032]" pageId="5" pageNumber="44">
<emphasis id="B903A419FFA3153AFF7AB76AFEB9F9B4" bold="true" box="[198,259,1542,1568]" pageId="5" pageNumber="44">Type</emphasis>
:— 
<materialsCitation id="3B1F7256FFA3153AFE9BB76AFEECF9FA" ID-GBIF-Occurrence="3128184306" 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="5" pageNumber="44" specimenCount="1" typeStatus="holotype">
<collectorName id="26821DDDFFA3153AFE9BB76AFE50F9B4" box="[295,490,1542,1568]" pageId="5" pageNumber="44">Byers Peninsula</collectorName>
, 
<location id="8EA82ED0FFA3153AFE4AB76AFD7CF9B4" LSID="urn:lsid:plazi:treatment:03DEC91DFFA31539FF2BB2F1FD50FD16:8EA82ED0FFA3153AFE4AB76AFD7CF9B4" box="[502,710,1542,1568]" country="Belgium" county="University of Antwerp" municipality="Van de Vijver" name="Livingston Island" pageId="5" pageNumber="44">Livingston Island</location>
, 
<location id="8EA82ED0FFA3153AFD6FB76AFC59F9B4" LSID="urn:lsid:plazi:treatment:03DEC91DFFA31539FF2BB2F1FD50FD16:8EA82ED0FFA3153AFD6FB76AFC59F9B4" box="[723,995,1542,1568]" country="Belgium" county="University of Antwerp" municipality="Van de Vijver" name="South Shetland Islands" pageId="5" pageNumber="44">South Shetland Islands</location>
, sample BY67, leg. 
<collectorName id="26821DDDFFA3153AFB6DB76AFA2DF9B4" box="[1233,1431,1542,1568]" pageId="5" pageNumber="44">
B. 
<collectingMunicipality id="6BACE271FFA3153AFB48B76AFA2DF9B4" box="[1268,1431,1542,1568]" pageId="5" pageNumber="44">Van de Vijver</collectingMunicipality>
</collectorName>
, coll. date 
<date id="FFC95ECBFFA3153AFEAEB741FE1AF9D3" box="[274,416,1581,1607]" pageId="5" pageNumber="44" value="2009-01-18">
<collectingDate id="EF8DA723FFA3153AFEAEB741FE1AF9D3" box="[274,416,1581,1607]" pageId="5" pageNumber="44" value="2009-01-18">18/01/2009</collectingDate>
</date>
, slide no. BR-4234 (
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<collectionCode id="ED66E0CEFFA3153AFCAAB741FCF8F9D3" box="[790,834,1581,1607]" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection" pageId="5" pageNumber="44">BR</collectionCode>
), slide PLP-184 (isotype 
<collectingCounty id="62A90087FFA3153AFBC1B741FA2DF9D3" box="[1149,1431,1581,1607]" pageId="5" pageNumber="44">University of Antwerp</collectingCounty>
, 
<collectingCountry id="F360389BFFA3153AFF2BB738FEBAF9FA" box="[151,256,1620,1646]" name="Belgium" pageId="5" pageNumber="44">Belgium</collectingCountry>
), 
<collectionCode id="ED66E0CEFFA3153AFEA8B738FEECF9FA" box="[276,342,1620,1646]" 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="5" pageNumber="44" type="Herbarium">BRM</collectionCode>
</materialsCitation>
–7/97 (isotype 
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).
</paragraph>
<paragraph id="8BC8780BFFA3153AFF7AB716FF4FF837" blockId="5.[151,1436,1233,2032]" pageId="5" pageNumber="44">
<emphasis id="B903A419FFA3153AFF7AB716FDB9F900" bold="true" box="[198,515,1658,1684]" pageId="5" pageNumber="44">Habitat and Distribution</emphasis>
:— 
<taxonomicName id="4C770388FFA3153AFD94B717FBA4F900" authorityName="Van de Vijver &amp; Zidarova" authorityYear="2011" box="[552,1054,1658,1684]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="44" phylum="Bacillariophyta" rank="variety" species="borealis" variety="pseudolanceolata">
<emphasis id="B903A419FFA3153AFD94B717FCAAF900" box="[552,784,1659,1684]" italics="true" pageId="5" pageNumber="44">Pinnularia borealis</emphasis>
var. 
<emphasis id="B903A419FFA3153AFCF3B717FBA4F900" box="[847,1054,1659,1684]" italics="true" pageId="5" pageNumber="44">pseudolanceolata</emphasis>
</taxonomicName>
is rare on Livingston Island. A large population was observed in a large, circumneutral (pH 7.3) shallow pool on Byers Peninsula with low specific conductance values (&lt;100 µS/cm) surrounded by fellfields and moss vegetations, growing into the water. Smaller populations were observed on Hurd Peninsula, situated in the southern part of Livingston Island (recorded by 
<bibRefCitation id="EFE605FAFFA3153AFE32B679FDFAF8BB" author="Zidarova, R." box="[398,576,1813,1839]" pageId="5" pageNumber="44" pagination="19 - 35" refId="ref8253" refString="Zidarova, R. (2008) Algae from Livingston Island (S Shetland Islands): a checklist. Phytologica Balcanica 14: 19 - 35." type="journal article" year="2008">Zidarova 2008</bibRefCitation>
as 
<taxonomicName id="4C770388FFA3153AFDD0B679FC81F8BB" box="[620,827,1813,1839]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="44" phylum="Bacillariophyta" rank="species" species="undefined-a">
<emphasis id="B903A419FFA3153AFDD0B679FD4AF8BA" box="[620,752,1813,1838]" italics="true" pageId="5" pageNumber="44">Pinnularia</emphasis>
sp. A
</taxonomicName>
) in a wide variety of samples, mainly on soil and mosses (both dry and semi-wet), rarely in pools, and always in low numbers. One population of 
<taxonomicName id="4C770388FFA3153AFAA7B650FDABF8E8" authorityName="Van de Vijver &amp; Zidarova" authorityYear="2011" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="44" phylum="Bacillariophyta" rank="variety" species="borealis" variety="pseudolanceolata">
<emphasis id="B903A419FFA3153AFAA7B650FF40F8E8" italics="true" pageId="5" pageNumber="44">Pinnularia borealis</emphasis>
var. 
<emphasis id="B903A419FFA3153AFE85B60FFDABF8E8" box="[313,529,1891,1916]" italics="true" pageId="5" pageNumber="44">pseudolanceolata</emphasis>
</taxonomicName>
was observed on James Ross Island (Van de Vijver &amp; Kopalová, unpubl. results).
</paragraph>
</subSubSection>
<subSubSection id="C36D2B80FFA31539FF7AB6C3FD50FD16" lastPageId="6" lastPageNumber="45" pageId="5" pageNumber="44" type="etymology">
<paragraph id="8BC8780BFFA3153AFF7AB6C3FDCFF864" blockId="5.[151,1436,1233,2032]" pageId="5" pageNumber="44">
<emphasis id="B903A419FFA3153AFF7AB6C3FEF7F85D" bold="true" box="[198,333,1967,1993]" pageId="5" pageNumber="44">Etymology</emphasis>
:—The varietal epithet refers to the resemblance to 
<taxonomicName id="4C770388FFA3153AFC77B6DCFAD5F85E" authority="Hustedt" authorityName="Hustedt" authorityYear="1934" box="[971,1391,1968,1994]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="5" pageNumber="44" phylum="Bacillariophyta" rank="variety" species="borealis" variety="lanceolata">
<emphasis id="B903A419FFA3153AFC77B6DCFBF1F85D" box="[971,1099,1968,1993]" italics="true" pageId="5" pageNumber="44">P. borealis</emphasis>
var. 
<emphasis id="B903A419FFA3153AFB31B6DCFAB2F85D" box="[1165,1288,1968,1993]" italics="true" pageId="5" pageNumber="44">lanceolata</emphasis>
Hustedt
</taxonomicName>
(in Schmidt 
<emphasis id="B903A419FFA3153AFEBCB6BBFE81F864" box="[256,315,2007,2032]" italics="true" pageId="5" pageNumber="44">et al.</emphasis>
1934: pl. 388, fig. 16–17).
</paragraph>
<paragraph id="8BC8780BFFA01539FF7AB1FBFD50FD16" blockId="6.[151,1436,151,642]" pageId="6" pageNumber="45">
<emphasis id="B903A419FFA01539FF7AB1FBFED6FF25" bold="true" box="[198,364,151,177]" pageId="6" pageNumber="45">Observations</emphasis>
:—There are hardly any lanceolate taxa belonging to the 
<taxonomicName id="4C770388FFA01539FB9EB1F4FB2BFF25" box="[1058,1169,152,177]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="50" phylum="Bacillariophyta" rank="section" section="Distantes">
<emphasis id="B903A419FFA01539FB9EB1F4FB2BFF25" box="[1058,1169,152,177]" italics="true" pageId="6" pageNumber="45">Distantes</emphasis>
</taxonomicName>
group. Boye-Petersen described a 
<taxonomicName id="4C770388FFA01539FE9AB1D3FC31FF4C" authority="Boye-Petersen (1928: 402)" authorityName="Boye-Petersen" authorityPageNumber="402" authorityYear="1928" box="[294,907,190,216]" class="Bacillariophyceae" family="Naviculaceae" form="lanceolata" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="45" phylum="Bacillariophyta" rank="form" species="borealis">
<emphasis id="B903A419FFA01539FE9AB1D3FE1EFF4C" box="[294,420,191,216]" italics="true" pageId="6" pageNumber="45">P. borealis</emphasis>
f. 
<emphasis id="B903A419FFA01539FE79B1D3FDF8FF4C" box="[453,578,191,216]" italics="true" pageId="6" pageNumber="45">lanceolata</emphasis>
<bibRefCitation id="EFE605FAFFA01539FDF7B1D2FC31FF4C" author="Boye-Petersen, J." box="[587,907,190,216]" pageId="6" pageNumber="45" 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>
from 
<collectingCountry id="F360389BFFA01539FC69B1D2FB96FF4C" box="[981,1068,190,216]" name="Iceland" pageId="6" pageNumber="45">Iceland</collectingCountry>
but it is wider than 
<taxonomicName id="4C770388FFA01539FAA2B1D3FE26FF6A" authorityName="Van de Vijver &amp; Zidarova" authorityYear="2011" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="45" phylum="Bacillariophyta" rank="variety" species="borealis" variety="pseudolanceolata">
<emphasis id="B903A419FFA01539FAA2B1D3FA26FF4C" box="[1310,1436,191,216]" italics="true" pageId="6" pageNumber="45">P. borealis</emphasis>
var. 
<emphasis id="B903A419FFA01539FF77B189FE26FF6A" box="[203,412,229,254]" italics="true" pageId="6" pageNumber="45">pseudolanceolata</emphasis>
</taxonomicName>
with a more broadly lanceolate valve outline (Table 1). Hustedt described 
<taxonomicName id="4C770388FFA01539FAA2B189FEF5FEB1" authorityName="Boye-Petersen" authorityYear="1928" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="45" phylum="Bacillariophyta" rank="variety" species="borealis" variety="lanceolata">
<emphasis id="B903A419FFA01539FAA2B189FA26FF6A" box="[1310,1436,229,254]" italics="true" pageId="6" pageNumber="45">P. borealis</emphasis>
var. 
<emphasis id="B903A419FFA01539FF71B060FEF5FEB1" box="[205,335,268,293]" italics="true" pageId="6" pageNumber="45">lanceolata</emphasis>
</taxonomicName>
from the Schwarzsee in Davos but the description was based on only 
<specimenCount id="9D71B382FFA01539FB07B060FACAFEB2" box="[1211,1392,268,294]" pageId="6" pageNumber="45" type="generic">two specimens</specimenCount>
(in Schmidt 
<emphasis id="B903A419FFA01539FEBEB05EFE87FEDF" box="[258,317,306,331]" italics="true" pageId="6" pageNumber="45">et al.</emphasis>
1934: pl. 388, fig. 16–17). 
<bibRefCitation id="EFE605FAFFA01539FD34B05EFCF3FED8" author="Krammer, K." box="[648,841,306,332]" pageId="6" pageNumber="45" refId="ref7150" refString="Krammer, K. (2000) The genus Pinnularia. In: H. Lange-Bertalot (ed.), Diatoms of Europe, Diatoms of the European Inland waters and comparable habitats. A. R. G. Gantner Verlag K. G., 1: 703 pp." type="book" year="2000">Krammer (2000</bibRefCitation>
, 25) stated that “only single specimens have been found” and that more information is necessary to understand the correct identity of the species. Compared to valves of 
<taxonomicName id="4C770388FFA01539FEADB0ECFDECFE0D" authorityName="Boye-Petersen" authorityYear="1928" box="[273,598,384,410]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="45" phylum="Bacillariophyta" rank="variety" species="borealis" variety="lanceolata">
<emphasis id="B903A419FFA01539FEADB0ECFE29FE0D" box="[273,403,384,409]" italics="true" pageId="6" pageNumber="45">P. borealis</emphasis>
var. 
<emphasis id="B903A419FFA01539FE68B0ECFDECFE0D" box="[468,598,384,409]" italics="true" pageId="6" pageNumber="45">lanceolata</emphasis>
</taxonomicName>
, as illustrated in 
<bibRefCitation id="EFE605FAFFA01539FC93B0ECFC41FE0E" author="Simonsen, R." box="[815,1019,384,410]" pageId="6" pageNumber="45" refId="ref7589" refString="Simonsen, R. (1987) Atlas and Catalogue of the Diatom Types of Friedrich Hustedt, 3 vols. J. Cramer Berlin-Stuttgart." type="book" year="1987">Simonsen (1987</bibRefCitation>
: pl. 249, figs 4–7, illustrations of Husetdt’s 
<typeStatus id="54CCC6A9FFA01539FEB0B0CAFE84FE54" box="[268,318,422,448]" pageId="6" pageNumber="45">type</typeStatus>
specimens), the Livingston populations have a higher number of striae (6–8 vs. 
<quantity id="4C8FD5EEFFA01539FB5FB0CAFAB5FE54" box="[1251,1295,422,448]" metricMagnitude="-1" metricUnit="m" metricValue="1.27" pageId="6" pageNumber="45" unit="in" value="5.0">5 in</quantity>
<quantity id="4C8FD5EEFFA01539FAAAB0CAFAD9FE54" box="[1302,1379,422,448]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="45" unit="mm" value="10.0">10 µm</quantity>
) and a lower valve width (
<quantity id="4C8FD5EEFFA01539FE23B0A1FDA4FE73" box="[415,542,461,487]" metricMagnitude="-2" metricUnit="m" metricValue="1.1" metricValueMax="1.2" metricValueMin="1.0" pageId="6" pageNumber="45" unit="mm" value="11.0" valueMax="12.0" valueMin="10.0">10–12 µm</quantity>
for Hustedt’s specimens vs. 
<quantity id="4C8FD5EEFFA01539FC3AB0A1FBAEFE73" box="[902,1044,461,487]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" metricValueMax="9.5" metricValueMin="7.5" pageId="6" pageNumber="45" unit="mm" value="8.5" valueMax="9.5" valueMin="7.5">7.5–9.5 µm</quantity>
for specimens from Livingston Island) (Table 1). 
<taxonomicName id="4C770388FFA01539FECDB098FCD8FD9A" authority="Manguin" authorityName="Manguin" authorityYear="1952" box="[369,866,500,526]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="45" phylum="Bacillariophyta" rank="variety" species="borealis" variety="undata">
<emphasis id="B903A419FFA01539FECDB098FDE7FD99" box="[369,605,500,525]" italics="true" pageId="6" pageNumber="45">Pinnularia borealis</emphasis>
var. 
<emphasis id="B903A419FFA01539FD26B098FD57FD99" box="[666,749,500,525]" italics="true" pageId="6" pageNumber="45">undata</emphasis>
Manguin
</taxonomicName>
(in 
<bibRefCitation id="EFE605FAFFA01539FC28B098FAA8FD9A" author="Bourrelly, P. &amp; Manguin, E." box="[916,1298,500,526]" pageId="6" pageNumber="45" refId="ref6554" refString="Bourrelly, P. &amp; Manguin, E. (1952) Algues d'eau douce de la Guadeloupe et dependances. Centre Natural de Recherches Scientifiques, Paris, 281 pp." type="book" year="1952">Bourrelly &amp; Manguin 1952: 80</bibRefCitation>
), described from Guadeloupe, is also wider (
<quantity id="4C8FD5EEFFA01539FDA6B376FD3AFDA0" box="[538,640,538,564]" metricMagnitude="-2" metricUnit="m" metricValue="1.35" pageId="6" pageNumber="45" unit="mm" value="13.5">13.5 µm</quantity>
) with a lower number of striae (
<quantity id="4C8FD5EEFFA01539FC42B376FB96FDA0" box="[1022,1068,538,564]" metricMagnitude="-1" metricUnit="m" metricValue="1.27" pageId="6" pageNumber="45" unit="in" value="5.0">5 in</quantity>
<quantity id="4C8FD5EEFFA01539FB88B376FB3FFDA0" box="[1076,1157,538,564]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="45" unit="mm" value="10.0">10 µm</quantity>
). In 
<bibRefCitation id="EFE605FAFFA01539FB06B376FA26FDA0" author="Frenguelli, J." box="[1210,1436,538,564]" pageId="6" pageNumber="45" pagination="73 - 219" refId="ref6835" refString="Frenguelli, J. (1942) Diatomeas del Neuquen (Patagonia). Revista del Museo de la Plata, nueva serie, Seccion Botanica 5: 73 - 219." type="journal article" year="1942">Frenguelli’s (1942)</bibRefCitation>
study, he illustrates several lanceolate valves of 
<taxonomicName id="4C770388FFA01539FD5FB32DFCDEFDCE" authorityName="Ehrenberg" authorityYear="1843" box="[739,868,577,602]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="45" phylum="Bacillariophyta" rank="species" species="borealis">
<emphasis id="B903A419FFA01539FD5FB32DFCDEFDCE" box="[739,868,577,602]" italics="true" pageId="6" pageNumber="45">P. borealis</emphasis>
</taxonomicName>
but identifies them all as 
<taxonomicName id="4C770388FFA01539FB1EB32DFA99FDCE" authorityName="Ehrenberg" authorityYear="1843" box="[1186,1315,577,602]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="45" phylum="Bacillariophyta" rank="species" sensu="lato" species="borealis">
<emphasis id="B903A419FFA01539FB1EB32DFA99FDCE" box="[1186,1315,577,602]" italics="true" pageId="6" pageNumber="45">P. borealis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2301962FFA01539FA97B32DFAF4FDCF" box="[1323,1358,577,603]" pageId="6" pageNumber="45" sensu="lato">s.l.</taxonomicNameLabel>
Other lanceolate 
<taxonomicName id="4C770388FFA01539FEA9B304FE3EFD15" box="[277,388,616,641]" class="Bacillariophyceae" family="Naviculaceae" genus="Pinnularia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="50" phylum="Bacillariophyta" rank="section" section="Distantes">
<emphasis id="B903A419FFA01539FEA9B304FE3EFD15" box="[277,388,616,641]" italics="true" pageId="6" pageNumber="45">Distantes</emphasis>
</taxonomicName>
taxa are at present not known.
</paragraph>
</subSubSection>
</treatment>
</document>