282 lines
43 KiB
XML
282 lines
43 KiB
XML
<document id="E1AC90BF92EF9EFAEB383AD235A11E3E" ID-CLB-Dataset="6118" ID-DOI="10.11646/phytotaxa.42.1.8" ID-GBIF-Dataset="505300c6-21d1-4ef5-880b-f05d36cbb2a2" ID-ISSN="1179-3163" ID-Zenodo-Dep="4894835" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1622652446478" checkinUser="felipe" docAuthor="Graeff, Carrie, Kociolek, John Patrick & Burliga, Ana Luiza" docDate="2012" docId="EE2987F76B1CFFD6FF5DFB3BBE3085A7" docLanguage="en" docName="Phytotaxa.42.62-76.pdf.imf" docOrigin="Phytotaxa 42" docSource="http://biotaxa.org/Phytotaxa/article/view/phytotaxa.42.1.8" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Frustulia saxonica" docType="treatment" docVersion="7" lastPageNumber="69" masterDocId="1210FF8F6B1AFFDEFFCAFF97BB4C8558" masterDocTitle="Valve morphology of four species of Frustulia (Bacillariophyta), including two described as new" masterLastPageNumber="76" masterPageNumber="62" pageNumber="68" updateTime="1698998809700" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="70BC82A36C0792C9FBFD7116A3EB7A58">Valve morphology of four species of Frustulia (Bacillariophyta), including two described as new</mods:title>
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<mods:namePart id="1DBEFB9882827415E7C5AB558ECA7D92">Graeff, Carrie</mods:namePart>
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<mods:namePart id="B3DCA916C50BB5E70005283B6723BE1D">Kociolek, John Patrick</mods:namePart>
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<mods:namePart id="86663CD00BE1D84E8B683CDC5A990C1F">Burliga, Ana Luiza</mods:namePart>
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<mods:typeOfResource id="4C881993860C7E7367587BC313445901">text</mods:typeOfResource>
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<mods:title id="D9E6C465F00EA9A158B3F42E308BA6F6">Phytotaxa</mods:title>
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<mods:part id="54AA3E131C0181C3A9EC79CD0D802448">
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<mods:date id="3020B5166417ABEC8E5505970C4FFA7A">2012</mods:date>
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<mods:number id="E030116CD0D82CD402AEF40602E2D8C9">2012-01-31</mods:number>
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<mods:url id="04BB5D4D4566AFFAC38B4A8B45E987CD">http://biotaxa.org/Phytotaxa/article/view/phytotaxa.42.1.8</mods:url>
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<treatment id="EE2987F76B1CFFD6FF5DFB3BBE3085A7" ID-DOI="http://doi.org/10.5281/zenodo.4928212" ID-GBIF-Taxon="182654150" ID-Zenodo-Dep="4928212" LSID="urn:lsid:plazi:treatment:EE2987F76B1CFFD6FF5DFB3BBE3085A7" httpUri="http://treatment.plazi.org/id/EE2987F76B1CFFD6FF5DFB3BBE3085A7" lastPageId="8" lastPageNumber="69" pageId="6" pageNumber="68">
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<subSubSection id="2E9A656A6B1CFFD8FF5DFB3BBAF88337" pageId="6" pageNumber="68" type="nomenclature">
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<paragraph id="663F36E16B1CFFD8FF5DFB3BB97B819E" blockId="6.[151,567,1196,1222]" box="[151,567,1196,1222]" pageId="6" pageNumber="68">
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<heading id="3D77818D6B1CFFD8FF5DFB3BB97B819E" box="[151,567,1196,1222]" fontSize="11" level="2" pageId="6" pageNumber="68" reason="3">
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<taxonomicName id="A1804D626B1CFFD8FF5DFB3BBAD7819E" box="[151,411,1196,1222]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="68" phylum="Bacillariophyta" rank="species" species="saxonica">
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<emphasis id="54F4EAF36B1CFFD8FF5DFB3BBAD7819E" bold="true" box="[151,411,1196,1222]" italics="true" pageId="6" pageNumber="68">Frustulia cf. saxonica</emphasis>
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</taxonomicName>
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(
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<figureCitation id="FEBB2A646B1CFFD8FE61FB3BB963819E" box="[427,559,1196,1222]" captionStart-0="FIGURES 28–34" captionStart-1="FIGURES 35–40" captionStartId-0="7.[151,271,1075,1099]" captionStartId-1="8.[151,271,1472,1496]" captionTargetBox-0="[255,1331,274,1050]" captionTargetBox-1="[323,1263,313,1447]" captionTargetId-0="figure-438@7.[255,1331,274,1050]" captionTargetId-1="figure-268@8.[323,1263,313,1447]" captionTargetPageId-0="7" captionTargetPageId-1="8" captionText-0="FIGURES 28–34. LM F. cf. saxonica. Valve views showing the size diminution series for specimens from Michigan. Figure 29 is the holotype. Note loss of the rhomboid valve shape as specimens decrease in size. Scale bar: 10 µm." captionText-1="FIGURES 35–40. SEM. F. cf. saxonica. External and internal valve views of four specimens. Fig. 35. Full external valve view of a linear-lanceolate-rhomboid specimen. Fig. 36 External valve apex with expanded raphe end. Fig. 37. Central area with expanded raphe ends. Fig. 38. Full internal valve view of a linear-lanceolate specimen. Fig. 39 A weakly shaped porte-crayon structure. Fig. 40, Internal central area with constricted longitudinal ribs at the central nodule. Scale bars: Figs 35, 38: 5 µm; Figs 36–37, 39–40: 2 µm." figureDoi-0="http://doi.org/10.5281/zenodo.4894854" figureDoi-1="http://doi.org/10.5281/zenodo.4894858" httpUri-0="https://zenodo.org/record/4894854/files/figure.png" httpUri-1="https://zenodo.org/record/4894858/files/figure.png" pageId="6" pageNumber="68">Figs 28–40</figureCitation>
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)
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</heading>
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</paragraph>
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<paragraph id="663F36E16B1CFFD8FF5DFB45BAF88337" blockId="6.[151,1440,1234,2034]" pageId="6" pageNumber="68">
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Valves rhomboid (
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<figureCitation id="FEBB2A646B1CFFD8FEBFFB45BAB381B4" box="[373,511,1234,1260]" captionStart="FIGURES 28–34" captionStartId="7.[151,271,1075,1099]" captionTargetBox="[255,1331,274,1050]" captionTargetId="figure-438@7.[255,1331,274,1050]" captionTargetPageId="7" captionText="FIGURES 28–34. LM F. cf. saxonica. Valve views showing the size diminution series for specimens from Michigan. Figure 29 is the holotype. Note loss of the rhomboid valve shape as specimens decrease in size. Scale bar: 10 µm." figureDoi="http://doi.org/10.5281/zenodo.4894854" httpUri="https://zenodo.org/record/4894854/files/figure.png" pageId="6" pageNumber="68">Figs 28–30</figureCitation>
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) to linear-lanceolate (
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<figureCitation id="FEBB2A646B1CFFD8FCC3FB45B8DA81B4" box="[777,918,1234,1260]" captionStart="FIGURES 28–34" captionStartId="7.[151,271,1075,1099]" captionTargetBox="[255,1331,274,1050]" captionTargetId="figure-438@7.[255,1331,274,1050]" captionTargetPageId="7" captionText="FIGURES 28–34. LM F. cf. saxonica. Valve views showing the size diminution series for specimens from Michigan. Figure 29 is the holotype. Note loss of the rhomboid valve shape as specimens decrease in size. Scale bar: 10 µm." figureDoi="http://doi.org/10.5281/zenodo.4894854" httpUri="https://zenodo.org/record/4894854/files/figure.png" pageId="6" pageNumber="68">Figs 33, 34</figureCitation>
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, and 38), smaller specimens generally less rhomboid in shape than larger specimens. Apices moderately protracted and rounded, valve margins slightly triundulate. Valve dimensions range in length from 34.0 to 63.0 µ m, in breadth from 9.0 to
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<quantity id="A1789B046B1CFFD8FAE1FAB7BED48062" box="[1323,1432,1312,1338]" metricMagnitude="-2" metricUnit="m" metricValue="1.25" pageId="6" pageNumber="68" unit="mm" value="12.5">12.5 µm</quantity>
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. Longitudinal striae present, parallel across much of the valve but appear slightly wavy or disorganized at valve centre (
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<figureCitation id="FEBB2A646B1CFFD8FEFEFAFABAF080DF" box="[308,444,1389,1415]" captionStart="FIGURES 28–34" captionStartId="7.[151,271,1075,1099]" captionTargetBox="[255,1331,274,1050]" captionTargetId="figure-438@7.[255,1331,274,1050]" captionTargetPageId="7" captionText="FIGURES 28–34. LM F. cf. saxonica. Valve views showing the size diminution series for specimens from Michigan. Figure 29 is the holotype. Note loss of the rhomboid valve shape as specimens decrease in size. Scale bar: 10 µm." figureDoi="http://doi.org/10.5281/zenodo.4894854" httpUri="https://zenodo.org/record/4894854/files/figure.png" pageId="6" pageNumber="68">Figs 30, 34</figureCitation>
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, and 35). Externally, areolae openings lanceolate (
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<figureCitation id="FEBB2A646B1CFFD8FBD2FAFABF8680DF" box="[1048,1226,1389,1415]" captionStart="FIGURES 35–40" captionStartId="8.[151,271,1472,1496]" captionTargetBox="[323,1263,313,1447]" captionTargetId="figure-268@8.[323,1263,313,1447]" captionTargetPageId="8" captionText="FIGURES 35–40. SEM. F. cf. saxonica. External and internal valve views of four specimens. Fig. 35. Full external valve view of a linear-lanceolate-rhomboid specimen. Fig. 36 External valve apex with expanded raphe end. Fig. 37. Central area with expanded raphe ends. Fig. 38. Full internal valve view of a linear-lanceolate specimen. Fig. 39 A weakly shaped porte-crayon structure. Fig. 40, Internal central area with constricted longitudinal ribs at the central nodule. Scale bars: Figs 35, 38: 5 µm; Figs 36–37, 39–40: 2 µm." figureDoi="http://doi.org/10.5281/zenodo.4894858" httpUri="https://zenodo.org/record/4894858/files/figure.png" pageId="6" pageNumber="68">Figs 36 and 37</figureCitation>
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), internally round (
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<figureCitation id="FEBB2A646B1CFFD8FF55FA03BBBB80F6" box="[159,247,1428,1454]" captionStart="FIGURES 35–40" captionStartId="8.[151,271,1472,1496]" captionTargetBox="[323,1263,313,1447]" captionTargetId="figure-268@8.[323,1263,313,1447]" captionTargetPageId="8" captionText="FIGURES 35–40. SEM. F. cf. saxonica. External and internal valve views of four specimens. Fig. 35. Full external valve view of a linear-lanceolate-rhomboid specimen. Fig. 36 External valve apex with expanded raphe end. Fig. 37. Central area with expanded raphe ends. Fig. 38. Full internal valve view of a linear-lanceolate specimen. Fig. 39 A weakly shaped porte-crayon structure. Fig. 40, Internal central area with constricted longitudinal ribs at the central nodule. Scale bars: Figs 35, 38: 5 µm; Figs 36–37, 39–40: 2 µm." figureDoi="http://doi.org/10.5281/zenodo.4894858" httpUri="https://zenodo.org/record/4894858/files/figure.png" pageId="6" pageNumber="68">Fig. 40</figureCitation>
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) and occluded (
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<figureCitation id="FEBB2A646B1CFFD8FE7FFA03B94280F6" box="[437,526,1428,1454]" captionStart="FIGURES 35–40" captionStartId="8.[151,271,1472,1496]" captionTargetBox="[323,1263,313,1447]" captionTargetId="figure-268@8.[323,1263,313,1447]" captionTargetPageId="8" captionText="FIGURES 35–40. SEM. F. cf. saxonica. External and internal valve views of four specimens. Fig. 35. Full external valve view of a linear-lanceolate-rhomboid specimen. Fig. 36 External valve apex with expanded raphe end. Fig. 37. Central area with expanded raphe ends. Fig. 38. Full internal valve view of a linear-lanceolate specimen. Fig. 39 A weakly shaped porte-crayon structure. Fig. 40, Internal central area with constricted longitudinal ribs at the central nodule. Scale bars: Figs 35, 38: 5 µm; Figs 36–37, 39–40: 2 µm." figureDoi="http://doi.org/10.5281/zenodo.4894858" httpUri="https://zenodo.org/record/4894858/files/figure.png" pageId="6" pageNumber="68">Fig. 38</figureCitation>
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). Striae density
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<quantity id="A1789B046B1CFFD8FD1CFA03B87380F6" box="[726,831,1428,1454]" metricMagnitude="-1" metricUnit="m" metricValue="8.509" metricValueMax="8.636" metricValueMin="8.382" pageId="6" pageNumber="68" unit="in" value="33.5" valueMax="34.0" valueMin="33.0">33–34 in</quantity>
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<quantity id="A1789B046B1CFFD8FC8DFA03B8D980F6" box="[839,917,1428,1454]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="68" unit="mm" value="10.0">10 µm</quantity>
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(at valve centre);
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<quantity id="A1789B046B1CFFD8FBA4FA03BF9B80F6" box="[1134,1239,1428,1454]" metricMagnitude="-1" metricUnit="m" metricValue="8.89" metricValueMax="9.144" metricValueMin="8.636" pageId="6" pageNumber="68" unit="in" value="35.0" valueMax="36.0" valueMin="34.0">34–36 in</quantity>
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<quantity id="A1789B046B1CFFD8FB15FA03BE6180F6" box="[1247,1325,1428,1454]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="68" unit="mm" value="10.0">10 µm</quantity>
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(at valve end). Striae extend around apices. Internal longitudinal ribs widen slightly approaching central area; constrict at central nodule (
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<figureCitation id="FEBB2A646B1CFFD8FEA2FA76BA8880A3" box="[360,452,1505,1531]" captionStart="FIGURES 35–40" captionStartId="8.[151,271,1472,1496]" captionTargetBox="[323,1263,313,1447]" captionTargetId="figure-268@8.[323,1263,313,1447]" captionTargetPageId="8" captionText="FIGURES 35–40. SEM. F. cf. saxonica. External and internal valve views of four specimens. Fig. 35. Full external valve view of a linear-lanceolate-rhomboid specimen. Fig. 36 External valve apex with expanded raphe end. Fig. 37. Central area with expanded raphe ends. Fig. 38. Full internal valve view of a linear-lanceolate specimen. Fig. 39 A weakly shaped porte-crayon structure. Fig. 40, Internal central area with constricted longitudinal ribs at the central nodule. Scale bars: Figs 35, 38: 5 µm; Figs 36–37, 39–40: 2 µm." figureDoi="http://doi.org/10.5281/zenodo.4894858" httpUri="https://zenodo.org/record/4894858/files/figure.png" pageId="6" pageNumber="68">Figs 40</figureCitation>
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). Longitudinal ribs fuse with helictoglossa but because the helictoglossa is relatively short and round and the interface between the ribs and the helictoglossa is extensive, the porte-crayon structure is not prominent (
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<figureCitation id="FEBB2A646B1CFFD8FE2BF9B9B9718310" box="[481,573,1582,1608]" captionStart="FIGURES 35–40" captionStartId="8.[151,271,1472,1496]" captionTargetBox="[323,1263,313,1447]" captionTargetId="figure-268@8.[323,1263,313,1447]" captionTargetPageId="8" captionText="FIGURES 35–40. SEM. F. cf. saxonica. External and internal valve views of four specimens. Fig. 35. Full external valve view of a linear-lanceolate-rhomboid specimen. Fig. 36 External valve apex with expanded raphe end. Fig. 37. Central area with expanded raphe ends. Fig. 38. Full internal valve view of a linear-lanceolate specimen. Fig. 39 A weakly shaped porte-crayon structure. Fig. 40, Internal central area with constricted longitudinal ribs at the central nodule. Scale bars: Figs 35, 38: 5 µm; Figs 36–37, 39–40: 2 µm." figureDoi="http://doi.org/10.5281/zenodo.4894858" httpUri="https://zenodo.org/record/4894858/files/figure.png" pageId="6" pageNumber="68">Fig. 39</figureCitation>
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). External raphe ends expanded into shallow crescent-moon or wide Tshapes (
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<figureCitation id="FEBB2A646B1CFFD8FF3EF9C2BAEB8337" box="[244,423,1621,1647]" captionStart="FIGURES 35–40" captionStartId="8.[151,271,1472,1496]" captionTargetBox="[323,1263,313,1447]" captionTargetId="figure-268@8.[323,1263,313,1447]" captionTargetPageId="8" captionText="FIGURES 35–40. SEM. F. cf. saxonica. External and internal valve views of four specimens. Fig. 35. Full external valve view of a linear-lanceolate-rhomboid specimen. Fig. 36 External valve apex with expanded raphe end. Fig. 37. Central area with expanded raphe ends. Fig. 38. Full internal valve view of a linear-lanceolate specimen. Fig. 39 A weakly shaped porte-crayon structure. Fig. 40, Internal central area with constricted longitudinal ribs at the central nodule. Scale bars: Figs 35, 38: 5 µm; Figs 36–37, 39–40: 2 µm." figureDoi="http://doi.org/10.5281/zenodo.4894858" httpUri="https://zenodo.org/record/4894858/files/figure.png" pageId="6" pageNumber="68">Figs 36 and 37</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="2E9A656A6B1CFFD6FF0CF9ECBE3085A7" lastPageId="8" lastPageNumber="70" pageId="6" pageNumber="68" type="distribution">
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<paragraph id="663F36E16B1CFFD8FF0CF9ECB9DF83BB" blockId="6.[151,1440,1234,2034]" pageId="6" pageNumber="68">
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<emphasis id="54F4EAF36B1CFFD8FF0CF9ECBACA83CD" bold="true" box="[198,390,1659,1685]" pageId="6" pageNumber="68">Distribution:—</emphasis>
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<taxonomicName id="A1804D626B1CFFD8FE4CF9EBB97B83CD" box="[390,567,1660,1685]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="68" phylum="Bacillariophyta" rank="species" species="saxonica">
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<emphasis id="54F4EAF36B1CFFD8FE4CF9EBB97B83CD" box="[390,567,1660,1685]" italics="true" pageId="6" pageNumber="68">F. cf. saxonica</emphasis>
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</taxonomicName>
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is from small waterbodies of freshwater in the northern portion of the lower Peninsula of
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<collectingRegion id="A444F8036B1CFFD8FE5DF935B95983E4" box="[407,533,1698,1724]" country="United States of America" name="Michigan" pageId="6" pageNumber="68">Michigan</collectingRegion>
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,
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<collectingCountry id="1E9776716B1CFFD8FDEFF935B92B83E4" box="[549,615,1698,1724]" name="United States of America" pageId="6" pageNumber="68">USA</collectingCountry>
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, including Bryant’s Bog and the nearby Smith’s Fen (personal observations;
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<geoCoordinate id="03B450266B1CFFD8FEF0F95EBA9A83BB" box="[314,470,1737,1763]" degrees="45.553258" direction="north" orientation="latitude" pageId="6" pageNumber="68" precision="1" value="45.553257">45.553258 N</geoCoordinate>
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,
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<geoCoordinate id="03B450266B1CFFD8FE28F95EB9CA83BB" box="[482,646,1737,1763]" degrees="84.647925" direction="west" orientation="longitude" pageId="6" pageNumber="68" precision="1" value="-84.64793">84.647925 W</geoCoordinate>
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).
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</paragraph>
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<paragraph id="663F36E16B1CFFD9FF0CF978B8328580" blockId="6.[151,1440,1234,2034]" lastBlockId="7.[151,1435,152,216]" lastPageId="7" lastPageNumber="69" pageId="6" pageNumber="68">
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<emphasis id="54F4EAF36B1CFFD8FF0CF978BADF8251" bold="true" box="[198,403,1775,1801]" pageId="6" pageNumber="68">Observations:—</emphasis>
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Valves of
|
||
<taxonomicName id="A1804D626B1CFFD8FDDBF967B9BD8251" box="[529,753,1776,1801]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="68" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B1CFFD8FDDBF967B9BD8251" box="[529,753,1776,1801]" italics="true" pageId="6" pageNumber="68">Frustulia saxonica</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="A1804D626B1CFFD8FCF8F967B8AF8251" box="[818,995,1776,1801]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="68" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B1CFFD8FCF8F967B8AF8251" box="[818,995,1776,1801]" italics="true" pageId="6" pageNumber="68">F. cf. saxonica</emphasis>
|
||
</taxonomicName>
|
||
become less rhomboid at the lower limits of their size range and have T-shape external raphe endings, weak porte-crayon structures, minimally arched raphe branches and longitudinal ribs, and moderately protracted apices (
|
||
<bibRefCitation id="02114B106B1CFFD8FBF0F8AABE7F820F" author="Lange-Bertalot, H." box="[1082,1331,1853,1879]" pageId="6" pageNumber="68" refId="ref7748" refString="Lange-Bertalot, H. (2001) Navicula sensu stricto, 10 genera separated from Navicula sensu lato Frustulia. In: Lange- Bertalot, H. (Ed), Diatoms of Europe. A. R. G. Ganter Verlag K. G., Ruggell, 526 pp." type="book" year="2001">Lange-Bertalot 2001</bibRefCitation>
|
||
: pls. 126 and 127). Admittedly, the differences between the two taxa are minor. Most notably, the striae density of
|
||
<taxonomicName id="A1804D626B1CFFD8FA4CF8F3BBB382FC" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="68" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B1CFFD8FA4CF8F3BBB382FC" italics="true" pageId="6" pageNumber="68">F. saxonica</emphasis>
|
||
</taxonomicName>
|
||
is given as
|
||
<quantity id="A1789B046B1CFFD8FE43F81DBABC82FC" box="[393,496,1930,1956]" metricMagnitude="-1" metricUnit="m" metricValue="7.747" metricValueMax="8.128" metricValueMin="7.366" pageId="6" pageNumber="68" unit="in" value="30.5" valueMax="32.0" valueMin="29.0">29–32 in</quantity>
|
||
<quantity id="A1789B046B1CFFD8FE3DF81DB90F82FC" box="[503,579,1930,1956]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="68" unit="mm" value="10.0">10 µm</quantity>
|
||
(
|
||
<bibRefCitation id="02114B106B1CFFD8FD98F81DB8CF82FC" author="Lange-Bertalot, H." box="[594,899,1930,1956]" pageId="6" pageNumber="68" refId="ref7748" refString="Lange-Bertalot, H. (2001) Navicula sensu stricto, 10 genera separated from Navicula sensu lato Frustulia. In: Lange- Bertalot, H. (Ed), Diatoms of Europe. A. R. G. Ganter Verlag K. G., Ruggell, 526 pp." type="book" year="2001">Lange-Bertalot 2001: 172</bibRefCitation>
|
||
) and
|
||
<quantity id="A1789B046B1CFFD8FC0EF81DBF6782FC" box="[964,1067,1930,1956]" metricMagnitude="-1" metricUnit="m" metricValue="8.254999999999999" metricValueMax="8.382" metricValueMin="8.128" pageId="6" pageNumber="68" unit="in" value="32.5" valueMax="33.0" valueMin="32.0">32–33 in</quantity>
|
||
<quantity id="A1789B046B1CFFD8FBF9F81DBF3382FC" box="[1075,1151,1930,1956]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="68" unit="mm" value="10.0">10 µm</quantity>
|
||
(
|
||
<bibRefCitation id="02114B106B1CFFD8FB44F81DBB948293" author="Lange-Bertalot, H. & Jahn, R." pageId="6" pageNumber="68" pagination="255 - 261" refId="ref7801" refString="Lange-Bertalot, H. & Jahn, R. (2000) On the identity of Navicula (Frustulia) rhomboides and Frustulia saxonica (Bacillariophyceae). Systematics and Geography of Plants 70: 255 - 261." type="journal article" year="2000">Lange-Bertalot & Jahn 2000</bibRefCitation>
|
||
), while the striae density of
|
||
<taxonomicName id="A1804D626B1CFFD8FDFBF826B9AC8292" box="[561,736,1969,1994]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="68" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B1CFFD8FDFBF826B9AC8292" box="[561,736,1969,1994]" italics="true" pageId="6" pageNumber="68">F. cf. saxonica</emphasis>
|
||
</taxonomicName>
|
||
is from
|
||
<quantity id="A1789B046B1CFFD8FC83F826B8F88293" box="[841,948,1969,1995]" metricMagnitude="-1" metricUnit="m" metricValue="8.763" metricValueMax="9.144" metricValueMin="8.382" pageId="6" pageNumber="68" unit="in" value="34.5" valueMax="36.0" valueMin="33.0">33–36 in</quantity>
|
||
<quantity id="A1789B046B1CFFD8FC77F826BF428293" box="[957,1038,1969,1995]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="68" unit="mm" value="10.0">10 µm</quantity>
|
||
, with the highest densities at the valve apices. However, the recorded striae densities given by
|
||
<bibRefCitation id="02114B106B1CFFD8FCA1F84FBF3C82AA" author="Lange-Bertalot, H." box="[875,1136,2008,2034]" pageId="6" pageNumber="68" refId="ref7748" refString="Lange-Bertalot, H. (2001) Navicula sensu stricto, 10 genera separated from Navicula sensu lato Frustulia. In: Lange- Bertalot, H. (Ed), Diatoms of Europe. A. R. G. Ganter Verlag K. G., Ruggell, 526 pp." type="book" year="2001">Lange-Bertalot (2001)</bibRefCitation>
|
||
for
|
||
<taxonomicName id="A1804D626B1CFFD8FB6AF84FBE6882A9" box="[1184,1316,2008,2033]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="6" pageNumber="68" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B1CFFD8FB6AF84FBE6882A9" box="[1184,1316,2008,2033]" italics="true" pageId="6" pageNumber="68">F. saxonica</emphasis>
|
||
</taxonomicName>
|
||
cannot be verified due to the low-quality light micrographs provided; they appear more rather than less dense as compared to those of specimens
|
||
<taxonomicName id="A1804D626B1DFFD9FDDCFF28B9F38580" box="[534,703,191,216]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="69" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B1DFFD9FDDCFF28B9F38580" box="[534,703,191,216]" italics="true" pageId="7" pageNumber="69">F. cf. saxonica</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<collectingRegion id="A444F8036B1DFFD9FCCCFF29B8368580" box="[774,890,190,216]" country="United States of America" name="Michigan" pageId="7" pageNumber="69">Michigan</collectingRegion>
|
||
.
|
||
</paragraph>
|
||
<caption id="32FF66696B1DFFD9FF5DFBA4BE168135" ID-DOI="http://doi.org/10.5281/zenodo.4894854" ID-Zenodo-Dep="4894854" httpUri="https://zenodo.org/record/4894854/files/figure.png" pageId="7" pageNumber="69" startId="7.[151,271,1075,1099]" targetBox="[255,1331,274,1050]" targetPageId="7">
|
||
<paragraph id="663F36E16B1DFFD9FF5DFBA4BE168135" blockId="7.[151,1437,1075,1133]" pageId="7" pageNumber="69">
|
||
<emphasis id="54F4EAF36B1DFFD9FF5DFBA4BA2D8113" bold="true" box="[151,353,1075,1099]" pageId="7" pageNumber="69">FIGURES 28–34.</emphasis>
|
||
LM
|
||
<emphasis id="54F4EAF36B1DFFD9FE52FBA3B9718113" box="[408,573,1076,1099]" italics="true" pageId="7" pageNumber="69">
|
||
<taxonomicName id="A1804D626B1DFFD9FE52FBA3B9758113" box="[408,569,1076,1099]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="69" phylum="Bacillariophyta" rank="species" species="saxonica">F. cf. saxonica</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
Valve views showing the size diminution series for specimens from Michigan. Figure 29 is the holotype. Note loss of the rhomboid valve shape as specimens decrease in size. Scale bar: 10 µm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="663F36E16B1DFFD9FF0CFB54BA4A8307" blockId="7.[151,1440,1219,2021]" pageId="7" pageNumber="69">
|
||
The description of two morphotypes of
|
||
<taxonomicName id="A1804D626B1DFFD9FD65FB54B8748184" box="[687,824,1219,1244]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="69" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B1DFFD9FD65FB54B8748184" box="[687,824,1219,1244]" italics="true" pageId="7" pageNumber="69">F. saxonica</emphasis>
|
||
</taxonomicName>
|
||
from the
|
||
<typeStatus id="B93B88436B1DFFD9FC7CFB54B8A48185" box="[950,1000,1219,1245]" pageId="7" pageNumber="69">type</typeStatus>
|
||
material by
|
||
<bibRefCitation id="02114B106B1DFFD9FB42FB54BBA4805B" author="Lange-Bertalot, H. & Jahn, R." pageId="7" pageNumber="69" pagination="255 - 261" refId="ref7801" refString="Lange-Bertalot, H. & Jahn, R. (2000) On the identity of Navicula (Frustulia) rhomboides and Frustulia saxonica (Bacillariophyceae). Systematics and Geography of Plants 70: 255 - 261." type="journal article" year="2000">Lange-Bertalot & Jahn (2000)</bibRefCitation>
|
||
complicates matters further; they note that both have also been found coexisting in peat bogs in
|
||
<collectingCountry id="1E9776716B1DFFD9FF5DFA87BA4A8072" box="[151,262,1296,1322]" name="Germany" pageId="7" pageNumber="69">Germany</collectingCountry>
|
||
and
|
||
<collectingCountry id="1E9776716B1DFFD9FE89FA87BAEF8072" box="[323,419,1296,1322]" name="Finland" pageId="7" pageNumber="69">Finland</collectingCountry>
|
||
. Although we did not find two separate morphotypes in our sample from Michigan, there is a significant but predictable change in valve size and shape, central nodule breadth, and rib thickness across the size diminution series. Our specimens of
|
||
<taxonomicName id="A1804D626B1DFFD9FD31FAC9B8EF802F" box="[763,931,1374,1399]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="69" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B1DFFD9FD31FAC9B8EF802F" box="[763,931,1374,1399]" italics="true" pageId="7" pageNumber="69">F. cf. saxonica</emphasis>
|
||
</taxonomicName>
|
||
most closely fit with the morphometrics of what has been referred to as morphotype II (in
|
||
<bibRefCitation id="02114B106B1DFFD9FD73FA13B8FD80C6" author="Lange-Bertalot, H." box="[697,945,1412,1438]" pageId="7" pageNumber="69" refId="ref7748" refString="Lange-Bertalot, H. (2001) Navicula sensu stricto, 10 genera separated from Navicula sensu lato Frustulia. In: Lange- Bertalot, H. (Ed), Diatoms of Europe. A. R. G. Ganter Verlag K. G., Ruggell, 526 pp." type="book" year="2001">Lange-Bertalot 2001</bibRefCitation>
|
||
); we did not observe any specimens in the material from Michigan with a valve breadth rivaling that recorded for what has been referred to as morphotype I (in
|
||
<bibRefCitation id="02114B106B1DFFD9FEAEFA46B91780B3" author="Lange-Bertalot, H." box="[356,603,1489,1515]" pageId="7" pageNumber="69" refId="ref7748" refString="Lange-Bertalot, H. (2001) Navicula sensu stricto, 10 genera separated from Navicula sensu lato Frustulia. In: Lange- Bertalot, H. (Ed), Diatoms of Europe. A. R. G. Ganter Verlag K. G., Ruggell, 526 pp." type="book" year="2001">Lange-Bertalot 2001</bibRefCitation>
|
||
). Further examination of the
|
||
<typeStatus id="B93B88436B1DFFD9FC7FFA46B8AB80B3" box="[949,999,1489,1515]" pageId="7" pageNumber="69">type</typeStatus>
|
||
material of
|
||
<taxonomicName id="A1804D626B1DFFD9FBBEFA46BFB480B2" box="[1140,1272,1489,1514]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="69" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B1DFFD9FBBEFA46BFB480B2" box="[1140,1272,1489,1514]" italics="true" pageId="7" pageNumber="69">F. saxonica</emphasis>
|
||
</taxonomicName>
|
||
should reveal whether the two morphotypes present are separate species. If they are, then providing unique descriptions for each will be necessary in determining the identities of specimens from North America that are similar to
|
||
<taxonomicName id="A1804D626B1DFFD9FA4CF988BBB38307" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="69" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B1DFFD9FA4CF988BBB38307" italics="true" pageId="7" pageNumber="69">F. saxonica</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="663F36E16B1DFFD9FF0CF9FBBF11827B" blockId="7.[151,1440,1219,2021]" pageId="7" pageNumber="69">
|
||
<bibRefCitation id="02114B106B1DFFD9FF0CF9FBBABC83DE" author="Patrick, R. & Reimer, C. W." box="[198,496,1644,1670]" pageId="7" pageNumber="69" refId="ref8080" refString="Patrick, R. & Reimer, C. W. (1966) The diatoms of the United States. Volume 1. Fragilariaceae, Enotiataceae, Achnanthaceae, Naviculaceae. Monograph of the Academy of Natural Sciences of Philadelphia, Philadelphia, 688 pp." type="book" year="1966">Patrick & Reimer (1966)</bibRefCitation>
|
||
provide a short description of
|
||
<taxonomicName id="A1804D626B1DFFD9FCAFF9FBBA6F83F5" authority="(Rabenh.) De Toni (1891: 277)" authorityName="De Toni" authorityPageNumber="277" authorityYear="1891" baseAuthorityName="Rabenh." class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="69" phylum="Bacillariophyta" rank="variety" species="rhomboides" variety="saxonica">
|
||
<emphasis id="54F4EAF36B1DFFD9FCAFF9FBBF4283DD" box="[869,1038,1644,1669]" italics="true" pageId="7" pageNumber="69">F. rhomboides</emphasis>
|
||
var.
|
||
<emphasis id="54F4EAF36B1DFFD9FB86F9FBBFF883DD" box="[1100,1204,1644,1669]" italics="true" pageId="7" pageNumber="69">saxonica</emphasis>
|
||
(Rabenh.)
|
||
<bibRefCitation id="02114B106B1DFFD9FAF1F9FBBA6F83F5" author="De Toni, G. B." pageId="7" pageNumber="69" refId="ref7274" refString="De Toni, G. B. (1891) Sylloge algarum omnium hucusque cognitarum. Vol. II. Bacillarieae; sectio I. Raphideae. Typis Seminarrii, Patavii. cxxxii + 490 pp." type="book" year="1891">De Toni (1891: 277)</bibRefCitation>
|
||
</taxonomicName>
|
||
and a drawing of a specimen collected in Powell County,
|
||
<collectingRegion id="A444F8036B1DFFD9FC29F904BF1483F5" box="[995,1112,1683,1709]" country="United States of America" name="Kentucky" pageId="7" pageNumber="69">Kentucky</collectingRegion>
|
||
,
|
||
<collectingCountry id="1E9776716B1DFFD9FBAEF904BFFA83F5" box="[1124,1206,1683,1709]" name="United States of America" pageId="7" pageNumber="69">U.S.A.</collectingCountry>
|
||
The striae density listed for the species is
|
||
<quantity id="A1789B046B1DFFD9FE65F92EBAA7838B" box="[431,491,1721,1747]" metricMagnitude="-1" metricUnit="m" metricValue="9.144" pageId="7" pageNumber="69" unit="in" value="36.0">36 in</quantity>
|
||
<quantity id="A1789B046B1DFFD9FE3EF92EB908838B" box="[500,580,1721,1747]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="69" unit="mm" value="10.0">10 µm</quantity>
|
||
, which overlaps with that of
|
||
<taxonomicName id="A1804D626B1DFFD9FC55F92EBF06838A" box="[927,1098,1721,1746]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="69" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B1DFFD9FC55F92EBF06838A" box="[927,1098,1721,1746]" italics="true" pageId="7" pageNumber="69">F. cf. saxonica</emphasis>
|
||
</taxonomicName>
|
||
. However, while the length range included in the description (
|
||
<quantity id="A1789B046B1DFFD9FDE9F977B9D183A2" box="[547,669,1760,1786]" metricMagnitude="-2" metricUnit="m" metricValue="5.5" metricValueMax="7.0" metricValueMin="4.0" pageId="7" pageNumber="69" unit="mm" value="55.0" valueMax="70.0" valueMin="40.0">40–70 µm</quantity>
|
||
) matches that of our specimens, the breadth range of
|
||
<quantity id="A1789B046B1DFFD9FAC0F977BECE83A2" box="[1290,1410,1760,1786]" metricMagnitude="-2" metricUnit="m" metricValue="1.6" metricValueMax="2.0" metricValueMin="1.2" pageId="7" pageNumber="69" unit="mm" value="16.0" valueMax="20.0" valueMin="12.0">12–20 µm</quantity>
|
||
is notably different from that of
|
||
<taxonomicName id="A1804D626B1DFFD9FE3FF89EB9D1827A" box="[501,669,1801,1826]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="69" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B1DFFD9FE3FF89EB9D1827A" box="[501,669,1801,1826]" italics="true" pageId="7" pageNumber="69">F. cf. saxonica</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="02114B106B1DFFD9FD67F89EB8B2827B" author="Patrick, R. & Reimer, C. W." box="[685,1022,1801,1827]" pageId="7" pageNumber="69" refId="ref8080" refString="Patrick, R. & Reimer, C. W. (1966) The diatoms of the United States. Volume 1. Fragilariaceae, Enotiataceae, Achnanthaceae, Naviculaceae. Monograph of the Academy of Natural Sciences of Philadelphia, Philadelphia, 688 pp." type="book" year="1966">Patrick & Reimer 1966: 308</bibRefCitation>
|
||
, pl. 21).
|
||
</paragraph>
|
||
<paragraph id="663F36E16B1DFFD6FF0CF8A7BE3085A7" blockId="7.[151,1440,1219,2021]" lastBlockId="8.[151,1436,152,255]" lastPageId="8" lastPageNumber="70" pageId="7" pageNumber="69">
|
||
<bibRefCitation id="02114B106B1DFFD9FF0CF8A7BAB88212" author="Siver, P. & Baskette, G." box="[198,500,1840,1866]" pageId="7" pageNumber="69" pagination="629 - 644" refId="ref8493" refString="Siver, P. & Baskette, G. (2004) A morphological examination of Frustulia (Bacillariophyceae) from the Ocala National Forest, Florida, USA. Canadian Journal of Botany 82: 629 - 644." type="journal article" year="2004">Siver & Baskette (2004)</bibRefCitation>
|
||
also provide a description and LM’s of
|
||
<taxonomicName id="A1804D626B1DFFD9FC3EF8A7BF328211" box="[1012,1150,1840,1865]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="69" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B1DFFD9FC3EF8A7BF328211" box="[1012,1150,1840,1865]" italics="true" pageId="7" pageNumber="69">F. saxonica</emphasis>
|
||
</taxonomicName>
|
||
specimens from North America. They provided a wide range of striae densities (
|
||
<quantity id="A1789B046B1DFFD9FCF1F8C0B8E88229" box="[827,932,1879,1905]" metricMagnitude="-1" metricUnit="m" metricValue="8.382" metricValueMax="9.652" metricValueMin="7.112" pageId="7" pageNumber="69" unit="in" value="33.0" valueMax="38.0" valueMin="28.0">28–38 in</quantity>
|
||
<quantity id="A1789B046B1DFFD9FC61F8C0B8B48229" box="[939,1016,1879,1905]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="69" unit="mm" value="10.0">10 µm</quantity>
|
||
) for the species and a breadth range of
|
||
<quantity id="A1789B046B1DFFD9FF7DF8EABA6982CF" box="[183,293,1917,1943]" metricMagnitude="-2" metricUnit="m" metricValue="1.3" metricValueMax="1.8" metricValueMin="0.8" pageId="7" pageNumber="69" unit="mm" value="13.0" valueMax="18.0" valueMin="8.0">8–18 µm</quantity>
|
||
. However, the widest specimen they illustrated is c.
|
||
<quantity id="A1789B046B1DFFD9FC50F8EAB8AB82CF" box="[922,999,1917,1943]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="7" pageNumber="69" unit="mm" value="12.0">12 µm</quantity>
|
||
in breadth and
|
||
<quantity id="A1789B046B1DFFD9FB6AF8EABFA282CF" box="[1184,1262,1917,1943]" metricMagnitude="-2" metricUnit="m" metricValue="6.8" pageId="7" pageNumber="69" unit="mm" value="68.0">68 µm</quantity>
|
||
long, which is near the upper length range limit of
|
||
<quantity id="A1789B046B1DFFD9FDADF833B9D382E6" box="[615,671,1956,1982]" metricMagnitude="1" metricUnit="m" metricValue="7.5" pageId="7" pageNumber="69" unit="m" value="75.0">75 µ</quantity>
|
||
m given by
|
||
<bibRefCitation id="02114B106B1DFFD9FCF0F833BF3882E6" author="Siver, P. & Baskette, G." box="[826,1140,1956,1982]" pageId="7" pageNumber="69" pagination="629 - 644" refId="ref8493" refString="Siver, P. & Baskette, G. (2004) A morphological examination of Frustulia (Bacillariophyceae) from the Ocala National Forest, Florida, USA. Canadian Journal of Botany 82: 629 - 644." type="journal article" year="2004">Siver & Baskette (2004)</bibRefCitation>
|
||
. Without access to the micrographs of the
|
||
<quantity id="A1789B046B1DFFD9FEB5F85CBA8082BD" box="[383,460,1995,2021]" metricMagnitude="-2" metricUnit="m" metricValue="1.8" pageId="7" pageNumber="69" unit="mm" value="18.0">18 µm</quantity>
|
||
wide specimens, recognizing morphometric links between
|
||
<taxonomicName id="A1804D626B1DFFD9FB44F85CBE5882BC" box="[1166,1300,1995,2020]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="7" pageNumber="69" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B1DFFD9FB44F85CBE5882BC" box="[1166,1300,1995,2020]" italics="true" pageId="7" pageNumber="69">F. saxonica</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<bibRefCitation id="02114B106B1DFFD6FA94F85CBA3C85EA" author="Siver, P. & Baskette, G." lastPageId="8" lastPageNumber="70" pageId="7" pageNumber="69" pagination="629 - 644" refId="ref8493" refString="Siver, P. & Baskette, G. (2004) A morphological examination of Frustulia (Bacillariophyceae) from the Ocala National Forest, Florida, USA. Canadian Journal of Botany 82: 629 - 644." type="journal article" year="2004">Siver & Baskette (2004)</bibRefCitation>
|
||
,
|
||
<taxonomicName id="A1804D626B12FFD6FEB6FF0FB94C85E9" box="[380,512,152,177]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="70" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B12FFD6FEB6FF0FB94C85E9" box="[380,512,152,177]" italics="true" pageId="8" pageNumber="70">F. saxonica</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<bibRefCitation id="02114B106B12FFD6FD8DFF0FB81C85EA" author="Lange-Bertalot, H." box="[583,848,152,178]" pageId="8" pageNumber="70" refId="ref7748" refString="Lange-Bertalot, H. (2001) Navicula sensu stricto, 10 genera separated from Navicula sensu lato Frustulia. In: Lange- Bertalot, H. (Ed), Diatoms of Europe. A. R. G. Ganter Verlag K. G., Ruggell, 526 pp." type="book" year="2001">Lange-Bertalot (2001)</bibRefCitation>
|
||
, and
|
||
<taxonomicName id="A1804D626B12FFD6FC46FF0FBF7885E9" box="[908,1076,152,177]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="70" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B12FFD6FC46FF0FBF7885E9" box="[908,1076,152,177]" italics="true" pageId="8" pageNumber="70">F. cf. saxonica</emphasis>
|
||
</taxonomicName>
|
||
is problematic. Ultimately, the dissimilarities between the recorded size ranges and illustrated size ranges of
|
||
<taxonomicName id="A1804D626B12FFD6FBF3FF28BF8C8580" box="[1081,1216,191,216]" class="Bacillariophyceae" family="Amphipleuraceae" genus="Frustulia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" pageId="8" pageNumber="70" phylum="Bacillariophyta" rank="species" species="saxonica">
|
||
<emphasis id="54F4EAF36B12FFD6FBF3FF28BF8C8580" box="[1081,1216,191,216]" italics="true" pageId="8" pageNumber="70">F. saxonica</emphasis>
|
||
</taxonomicName>
|
||
in North America raise some doubts that North American specimens are the same species as those found in the
|
||
<typeStatus id="B93B88436B12FFD6FB11FF72BE4185A7" box="[1243,1293,229,255]" pageId="8" pageNumber="70">type</typeStatus>
|
||
material.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |