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<mods:title id="57371A0F1CE2AE7C162CC143B741531B">Revision of the Staurosirella leptostauron complex (Staurosiraceae, Bacillariophyta) in Europe with the description of three new species</mods:title>
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<mods:namePart id="B12E2AF2AB3EF06D5824DC10BD55BBB0">Van de Vijver, Bart</mods:namePart>
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<mods:namePart id="DDEA76FA1ACA2D04612229DDC2D73F62">Kusber, Wolf-Henning</mods:namePart>
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<mods:namePart id="2FDC7DC40E5CF38C2F072F4366BA7389">Williams, David M.</mods:namePart>
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<mods:date id="E1113DCCBD1ED8E1CED72D7CE490B59B">2024</mods:date>
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<emphasis id="09B8908AA85D5F61CBCA23A33BB48127" italics="true">Staurosirella leptostauron</emphasis>
(Ehrenb.) D. M. Williams &amp; Round
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<figureCitation id="556A658AEDE20BA83744BF7FBDFDC74B" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Staurosirella leptostauron (Ehrenb.) D. M. Williams &amp; Round, LM and SEM micrographs taken from Grunow’s Moosach sample (BR- 4819, Moosach, Germany). A. Published images in Ehrenberg (1854: figs 35–36) after original drawing from C. G. Ehrenberg in BHUPM 2347. B. LM picture of three connected frustules in girdle view. B – L. LM pictures of valves in valve face view in decreasing length. M. SEM external view of two connected frustules in girdle view. N. SEM view of the valvocopula connected to the girdle showing the fimbriate extensions. Scale bar = 10 µm." figureDoi="10.5091/plecevo.119907.figure4" httpUri="https://binary.pensoft.net/fig/1056755">Fig. 4</figureCitation>
<xref id="6D1EEC2EB3A708925D1FF7EFB9A6088A" ref-type="supplementary-material" rid="S2">, Supplementary materials 2 K – Z</xref>
<xref id="45793B96AEC26850C7C40720B12BBC3F" ref-type="supplementary-material" rid="S3">, 3 C – F</xref>
<xref id="C9F0B81A6CBC4E7E2550913AE1AE91B6" ref-type="supplementary-material" rid="S5">, 5</xref>
<xref id="0CF785D8EC96A485A2AC6F29A739772E" ref-type="supplementary-material" rid="S6">,</xref>
<xref id="48D7E22046187F60D0BB721760BD225E" ref-type="supplementary-material" rid="S7">, 7</xref>
</paragraph>
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<emphasis id="8A6B218A530F2164DFA060ADC640A086" italics="true">Biblarium leptostauron</emphasis>
<comment id="5572F83F84AB41AC934F258ADBE3599B">
Ehrenb. (
<emphasis id="5D357E2991612F44DC2E025AD9F7879A" bold="true">basionym</emphasis>
) (
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<bibRefCitation id="5DF73930066536C1347EC328261E66FD" author="Ehrenberg CG" firstAuthor="Ehrenberg" page="8" refId="B12" refString="Ehrenberg CG (1854) Mikrogeologie. Das Erden und Felsen schaffende Wirken des unsichtbar kleinen selbstständigen Lebens auf der Erde. Verlag von Leopold Voss, Leipzig, 1–374." year="1854">Ehrenberg 1854: 8</bibRefCitation>
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, plate VII, figs 35–36)
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<taxonomicName id="5FCC2148D3626B2D84F3BAB639C2EFBF" authorityName="Grunow (Grunow" authorityYear="1862" baseAuthorityName="W. Sm." class="Bacillariophyceae" family="Fragilariaceae" genus="Fragilaria" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" phylum="Ochrophyta" rank="species" species="harrisonii">Fragilaria harrisonii</taxonomicName>
var. 
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β rhomboides 
<comment id="54AA81008B0F4F57E7B1D08A9CEFEB69">
Grunow (
<bibRefCitation id="6352E7D1D7332086B02D66E427D7297B" author="Grunow A" firstAuthor="Grunow" page="368" refId="B14" refString="Grunow A (1862) Die österreichischen Diatomaceen nebst Anschluss einiger neuen Arten von andern Lokalitäten und einer kritischen Uebersicht der bisher bekannten Gattungen und Arten. Verhandlungen der kaiserlich-königlichen zoologisch-botanischen Gesellschaft in Wien 12: 315–472 [Abt 1], 545–588 [Abt. 2]." year="1862">Grunow 1862: 368</bibRefCitation>
)
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<treatmentCitation id="43454AE3F098CA533425368EAABC6AEB" author="Hustedt F" page="153" year="1931">
<taxonomicName id="8E49BACFA4B30338E32412BA317F0950" authority="(Ehrenb.) Hust. (Hustedt 1931: 153)" authorityName="Hust. (Hustedt" authorityYear="1931" baseAuthorityName="Ehrenb." class="Bacillariophyceae" family="Fragilariaceae" genus="Fragilaria" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" phylum="Ochrophyta" rank="species" species="leptostauron">
<emphasis id="34C223A2FA273AABEE3E5949F7D038E0" italics="true">Fragilaria leptostauron</emphasis>
<comment id="BD7C6C734321A2A9A9BA1089D985DC6D">
(Ehrenb.) Hust. (
<bibRefCitation id="D6BBE630F595F4E66226CD8808F4238F" author="Hustedt F" firstAuthor="Hustedt" page="153" refId="B20" refString="Hustedt F (1931) Die Kieselalgen Deutschlands, Österreichs und der Schweiz unter Berücksichtigung der übrigen Länder Europas sowie der angrenzenden Meeresgebiete. Bd. VII: Teil 1: Liefrung 1. In: Anon. (Eds) Rabenhorst’s Kryptogamen Flora von Deutschland, Österreich und der Schweiz. Akademische Verlagsgesellschaft, Leipzig, 1–272." year="1931">Hustedt 1931: 153</bibRefCitation>
)
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<treatmentCitation id="BDB11080985EFA9D233DD7DEA2C62365" author="Hustedt F" page="154" year="1931">
<taxonomicName id="BB1C5B777E8DE495B3B3BC063447FFA3" authority="(Grunow) Hust. (Hustedt 1931: 154)" authorityName="Hust. (Hustedt" authorityYear="1931" class="Bacillariophyceae" family="Fragilariaceae" genus="Fragilaria" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" phylum="Ochrophyta" rank="variety" species="leptostauron" variety="rhomboides">
<emphasis id="B3731D8E61194E1AAB7A1B17F4E58477" italics="true">Fragilaria leptostauron var. rhomboides</emphasis>
<comment id="087E0BFCFD0D94C2BA1A19D565DACBB7">
(Grunow) Hust. (
<bibRefCitation id="073B6815109CE487230B45309E7AF417" author="Hustedt F" firstAuthor="Hustedt" page="154" refId="B20" refString="Hustedt F (1931) Die Kieselalgen Deutschlands, Österreichs und der Schweiz unter Berücksichtigung der übrigen Länder Europas sowie der angrenzenden Meeresgebiete. Bd. VII: Teil 1: Liefrung 1. In: Anon. (Eds) Rabenhorst’s Kryptogamen Flora von Deutschland, Österreich und der Schweiz. Akademische Verlagsgesellschaft, Leipzig, 1–272." year="1931">Hustedt 1931: 154</bibRefCitation>
)
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<treatmentCitationGroup id="092C4F67F159A9926CF92633079D64C5">
<treatmentCitation id="6192D261FC85FF1DBCFF9CD1CAFDC88B" author="Morales EA &amp; Manoylov KM &amp; Bahls LL" page="43" year="">
<taxonomicName id="7ACC3519AE98DD3F12AFD780CAE3E8E1" authority="(Grunow) E. Morales &amp; Manoylov (Morales et al. 2010 a: 43)" class="Bacillariophyceae" family="Fragilariaceae" genus="Staurosirella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" phylum="Ochrophyta" rank="species" species="rhomboides">
<emphasis id="F5AE9E29689000225AAB6FC8A248245C" italics="true">Staurosirella rhomboides</emphasis>
<comment id="FB4BDCAF0E01D32B3D8B30A926C875FB">
(Grunow) E. Morales &amp; Manoylov (
<bibRefCitation id="7C3494568996B27031458C8D49F0B50B" DOI="10.1635/053.160.0105" author="Morales EA &amp; Manoylov KM &amp; Bahls LL" journalOrPublisher="Proceedings of the Academy of Natural Sciences of Philadelphia" pagination="29-46" refId="B34" refString="Morales EA, Manoylov KM, Bahls LL (2010 a) Three new araphid diatoms (Bacillariophyta) from rivers in North America. Proceedings of the Academy of Natural Sciences of Philadelphia 160: 29–46. https://doi.org/10.1635/053.160.0105" title="Three new araphid diatoms (Bacillariophyta) from rivers in North America." volume="160">Morales et al. 2010 a</bibRefCitation>
: 43)
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<treatmentCitationGroup id="C8C232F3E47D1071E337970799765D7B">
<treatmentCitation id="3210E7EDC4D803BA19FD3CFDF81B41BA" author="Kulikovskiy MS &amp; Genkal SI &amp; Mikheyeva TM" page="363" year="2011">
<taxonomicName id="85744CFF0B32EB4424EF3DDC384FCA53" authority="(Ehrenb.) Kulikovskiy &amp; Genkal (Kulikovskiy et al. 2011: 363)" class="Bacillariophyceae" family="Fragilariaceae" genus="Staurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" phylum="Ochrophyta" rank="species" species="leptostauron">
<emphasis id="5F0C625F26DDA7CE5E71523B1F9A3668" italics="true">Staurosira leptostauron</emphasis>
<comment id="4E68F382A8E2FF5ABCF7D24241C131FD">
(Ehrenb.) Kulikovskiy &amp; Genkal (
<bibRefCitation id="CD9981058766E1E321A05A54697BC766" author="Kulikovskiy MS &amp; Genkal SI &amp; Mikheyeva TM" etAl="et al." firstAuthor="Kulikovskiy" journalOrPublisher="Algologia" page="363" pagination="357-373" refId="B25" refString="Kulikovskiy MS, Genkal SI, Mikheyeva TM (2011) New data on the Bacillariophyta of Belarussia. 2. Fam. Fragilariaceae (Kütz.) De Toni, Diatomaceae Dumont. and Tabellariaceae F. Schütt. Algologia 21: 357–373." title="New data on the Bacillariophyta of Belarussia. 2. Fam. Fragilariaceae (Kütz.) De Toni, Diatomaceae Dumont. and Tabellariaceae F. Schütt." volume="21" year="2011">Kulikovskiy et al. 2011: 363</bibRefCitation>
)
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</paragraph>
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<paragraph id="F7F50BD07B5E976E9435E8D55722500E">
<heading id="11EC3F04CF6E21DB1490FC815BE2B074" reason="title">Type locality.</heading>
</paragraph>
<paragraph id="84E35DB90AB03C3401825CAC8E97FE05">
<collectingCountry id="67C0275A739F3BAA312E665ED87AD00B" name="Germany">Germany</collectingCountry>
, Polierschiefer bei Cassel, Ehrenberg 
<collectionCode id="A833570589BB4AF75C037E88654C7A75" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13660" lsid="urn:lsid:biocol.org:col:13660" name="Museum für Naturkunde Berlin" type="Museum">BHUPM</collectionCode>
drawing sheet 2347, 
<collectionCode id="28D58B79925A9B069AAAFA5C7B7E17BC" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13660" lsid="urn:lsid:biocol.org:col:13660" name="Museum für Naturkunde Berlin" type="Museum">BHUPM</collectionCode>
sample 2726.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EG4CI" type="Epitype locality">
<paragraph id="454936EB5A9349DAD3C24B096E12E365">
<heading id="80D65D87FEA95A6F0FE36CC191F77783" reason="title">
<typeStatus id="5031EB5CB8CBE37CA94A300788E37CE0" type="epitype">Epitype</typeStatus>
locality.
</heading>
</paragraph>
<paragraph id="741A457C33ACCFF95E3FFC03B3108747">
Moosach near Munich, Grunow Moosach sample s. n., material conserved at 
<collectionCode id="7D9F071735D52C9EE38B29CF4DE7C55B" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection">BR</collectionCode>
! and W!.
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</subSubSection>
<subSubSection id="SECID0EL4CI" type="Lectotype">
<paragraph id="2F790A7A432E68A7A9927199004358F3">
<heading id="8CE8C58F617CEE633B9FD6707E9240D0" reason="title">
<typeStatus id="02F2908B2EA4A730F21A1421290763E9" type="lectotype">Lectotype</typeStatus>
.
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<paragraph id="83AC5AE3D39052C27054FF51FA8FCB5B">
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drawing sheet 2347 “ Cassel. ” (
<emphasis id="A717B3F44E32D127150F625C9C6D46D8" bold="true">designated here</emphasis>
by 
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&amp; 
<location id="D8A914A3FB128890F809718B2E8759FF" LSID="urn:lsid:plazi:treatment:B38883F5128C52D09C07B70EBCF87EAB:D8A914A3FB128890F809718B2E8759FF" name="Van de Vijver">Van de Vijver</location>
), valve original annotated in black colour “ 10. δ. bl. ”, subsequently annotated in red colour “ 31 ” [icon!], the image represents a specimen on Mica 
<specimenCode id="C9285A0C61E8F9F943C8AE5831835E63" collectionCode="BHUPM" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13660" lsid="urn:lsid:biocol.org:col:13660" name="Museum für Naturkunde Berlin" type="Museum">BHUPM 420310</specimenCode>
δ r that could not be found during the recent studies at 
<collectionCode id="69DE76CDBF808EF69E44D42E0F339C9B" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13660" lsid="urn:lsid:biocol.org:col:13660" name="Museum für Naturkunde Berlin" type="Museum">BHUPM</collectionCode>
. The 
<typeStatus id="BFF444A95C6ADF87AA7573BF875BFDB5" type="lectotype">lectotype</typeStatus>
here selected was published in 
<bibRefCitation id="215191D6D6C2A0651AEF317837D884DE" author="Ehrenberg CG" firstAuthor="Ehrenberg" refId="B12" refString="Ehrenberg CG (1854) Mikrogeologie. Das Erden und Felsen schaffende Wirken des unsichtbar kleinen selbstständigen Lebens auf der Erde. Verlag von Leopold Voss, Leipzig, 1–374." year="1854">Ehrenberg (1854)</bibRefCitation>
, see our Fig. 
<figureCitation id="55994C5A92B962E845C401B834B07FD2" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Staurosirella crux (Ehrenb.) Van de Vijver &amp; Kusber comb. nov., LM and SEM micrographs taken from the original Smith type material for Odontidium harrisonii (BR- 4685, Hull, United Kingdom). A. LM picture of a frustule in girdle view. B – M. LM pictures of valves in valve face view in decreasing length. N. SEM external view of a complete valve. O. SEM external detail of the footpole showing the large apical pore field. P. SEM external detail of part of the central area with the marginal spines, the large virgae and the vimines. Q. SEM internal view of a complete valve. Scale bar = 10 µm (A – N, Q), 1 µm (O – P)." figureDoi="10.5091/plecevo.119907.figure2" httpUri="https://binary.pensoft.net/fig/1056753">2 A</figureCitation>
“ 36 ”.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0E24CI" type="Epitype">
<paragraph id="A7AF225CAFFCFBA9593BA0D3294A4AAE">
<heading id="37179CD3FF91DD5341FA06552BD664D1" reason="title">
<typeStatus id="6E3594607928E9D29307BE38E9C085FC" type="epitype">Epitype</typeStatus>
.
</heading>
</paragraph>
<paragraph id="A9B8AEFF7F667490AD1023B05BE261B3">
<materialsCitation id="15D3FE24DB4F3CFE41CA7D421A0940F6" collectionCode="BR" collectorName="Grunow" location="Moosach" specimenCode="BR- 4819" specimenCount="1" typeStatus="epitype">
<specimenCode id="0B823AB642A068A3DE7356C9CEC99749">BR- 4819</specimenCode>
(
<emphasis id="C75A57151C46CF50649B331B4D9DAEB9" bold="true">designated here</emphasis>
by Van de Vijver for the above lectotype), slide made from the 
<collectorName id="7E21C57483B64B77AC825351EC817C0E">Grunow</collectorName>
<location id="1724D2D213B79DB99E0A40AAE39488B6" LSID="urn:lsid:plazi:treatment:B38883F5128C52D09C07B70EBCF87EAB:1724D2D213B79DB99E0A40AAE39488B6" name="Moosach">Moosach</location>
sample s. n. Figure 
<figureCitation id="9B7E6A400E35E5E1F91D446DDE5CCEEA" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Staurosirella leptostauron (Ehrenb.) D. M. Williams &amp; Round, LM and SEM micrographs taken from Grunow’s Moosach sample (BR- 4819, Moosach, Germany). A. Published images in Ehrenberg (1854: figs 35–36) after original drawing from C. G. Ehrenberg in BHUPM 2347. B. LM picture of three connected frustules in girdle view. B – L. LM pictures of valves in valve face view in decreasing length. M. SEM external view of two connected frustules in girdle view. N. SEM view of the valvocopula connected to the girdle showing the fimbriate extensions. Scale bar = 10 µm." figureDoi="10.5091/plecevo.119907.figure4" httpUri="https://binary.pensoft.net/fig/1056755">4 C</figureCitation>
illustrates the 
<typeStatus id="F618BE8B24E200DA51564B5BC4B8AB2C" type="epitype">epitype</typeStatus>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EH5CI" type="Isoepitype">
<paragraph id="AA65B70E2F86BDF8EBC685C6218F3F63">
<heading id="698B433FBC9CE9FF70AB9DE6C568A445" reason="title">
<typeStatus id="D57A68E830789F8F833AC58E9F91BFEF" type="isoepitype">Isoepitype</typeStatus>
.
</heading>
</paragraph>
<paragraph id="5AA10579936F902F76F0C530295A7EDA">
<materialsCitation id="9A32D3272BAE6A4063C3B801DAB31F6C" collectionCode="W" collectorName="Grunow" location="Moosach" specimenCode="W 0164841" specimenCount="1" typeStatus="isoepitype">
<specimenCode id="380BC9255640598B34B945C043B86FFE">W 0164841</specimenCode>
(
<emphasis id="DA530A52F4CDD69C6A809F2A008D5CFD" bold="true">designated here</emphasis>
by Schuster &amp; Van de Vijver for the above 
<typeStatus id="716A799A55B00D96645262423C1A78B9" type="lectotype">lectotype</typeStatus>
), raw 
<collectorName id="D0B2BF07D0798BC1E19B0F55376EB681">Grunow</collectorName>
<location id="A1CADB199C84733584559319617F3334" LSID="urn:lsid:plazi:treatment:B38883F5128C52D09C07B70EBCF87EAB:A1CADB199C84733584559319617F3334" name="Moosach">Moosach</location>
material s. n. at 
<collectionCode id="D3C37092624CF05DB69B44EADDFB8A5C">W</collectionCode>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EP5CI" type="Registration for the typification">
<paragraph id="EC994971CC53966A55BDB8CEE6044AFE">
<heading id="6CCE8BEF5625679A4EE860418FA8597A" reason="title">Registration for the typification.</heading>
</paragraph>
<paragraph id="06C587ED9B1DB14CE2AC9536D89BADFC">
<ext-link id="FDE116D7A49D1C0233564632189D43B3" ext-link-type="uri" xlink_href="http://phycobank.org/104203" xlink_type="simple">http://phycobank.org/104203</ext-link>
</paragraph>
</subSubSection>
<subSubSection id="SECID0E15CI" type="material">
<paragraph id="316A2F4F94A038C682EB3E735665DB92">
<heading id="8165E98AC787A5EB977281FE499852AF" reason="title">Analysed material.</heading>
</paragraph>
<paragraph id="96B53C26ADA02655E9FAA15E4AFA0364">
<materialsCitation id="5B2BB957079E899E478BC1BDC8A4C110" collectionCode="BHUPM" collectorName="Ehrenberg" country="Germany" location="Polierschiefer bei Cassel" specimenCode="sheet 2347" specimenCount="1">
<collectingCountry id="B3F2A9AB84A412B00C117A9F789FF471" name="Germany">GERMANY</collectingCountry>
• 
<location id="C5275525614E228946BFCB4683B5736C" LSID="urn:lsid:plazi:treatment:B38883F5128C52D09C07B70EBCF87EAB:C5275525614E228946BFCB4683B5736C" country="Germany" name="Polierschiefer bei Cassel">Polierschiefer bei Cassel</location>
, 
<collectorName id="D282E3906EB7F910977FF6CFF9DFD136">Ehrenberg</collectorName>
sample 2726, [icon!] drawing 
<specimenCode id="CBCBB1FA38AE426DD78A519E39A33A12">sheet 2347</specimenCode>
; 
<collectionCode id="68AD2859FF39235E1D13B534337E2850" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:13660" lsid="urn:lsid:biocol.org:col:13660" name="Museum für Naturkunde Berlin" type="Museum">BHUPM</collectionCode>
</materialsCitation>
• 
<materialsCitation id="3EE5754893EEEAD7668F241296308321" collectionCode="BR" collectorName="Grunow" location="Moosach near Munchen" specimenCode="BR- 4819" specimenCount="1">
<location id="E612705544F66D25E9784DAF114019EB" LSID="urn:lsid:plazi:treatment:B38883F5128C52D09C07B70EBCF87EAB:E612705544F66D25E9784DAF114019EB" name="Moosach near Munchen">Moosach near München</location>
; 
<collectorName id="0D194B69A6B1D9ED1B4B682417872867">Grunow</collectorName>
Moosach sample s. n., slide 
<specimenCode id="3DB2E349AA8B09382781B20F99D6283A">BR- 4819</specimenCode>
; 
<collectionCode id="9BE3A6C9F2BCA48CBCA5922F34B699A5" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection">BR</collectionCode>
</materialsCitation>
• 
<materialsCitation id="FBAAE44AEB87906BC1E12B3637A81411" collectionCode="BR" collectorName="Kutzing" location="Moosach near Munchen" specimenCode="BR- 4820" specimenCount="1">
<location id="03DD545675989BE80B48A9203D87E1A5" LSID="urn:lsid:plazi:treatment:B38883F5128C52D09C07B70EBCF87EAB:03DD545675989BE80B48A9203D87E1A5" name="Moosach near Munchen">Moosach near München</location>
; 
<collectorName id="86D205CAF8543970FC6A89B30C012E5E">Kützing</collectorName>
sample 921, slide 
<specimenCode id="E81CC201A07A0DC006AB618D1E3CF229">BR- 4820</specimenCode>
; 
<collectionCode id="288372321366C5CC3853A4842C3B65C8" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection">BR</collectionCode>
</materialsCitation>
.
</paragraph>
<paragraph id="9461AB62039537B4EACF8E978EEA99DE">
<materialsCitation id="5FE2ECFD3F48B3E580C583BEEECA4CE9" collectingDate="1854-01-01" collectionCode="BR" collectorName="William Smith &amp; Mr. Brookes" country="United Kingdom" location="Norfolk" municipality="Burnham" specimenCode="BR- 4824" specimenCount="1" stateProvince="England">
<collectingCountry id="ED5057FC82FB5C9E473982FCC2652A03" name="United Kingdom">UNITED KINGDOM</collectingCountry>
– 
<emphasis id="11C8273C901EAC0C8A11B9FC0065B2B8" bold="true">
<collectingRegion id="982E2031EE004EB5A317DA6870B4AD08">England</collectingRegion>
</emphasis>
• 
<collectingMunicipality id="34261E0D5EB1CFBBF31237CFDEA9DB92">Burnham</collectingMunicipality>
, 
<location id="DC4D67AA6E7D7397D61ADE483D47729A" LSID="urn:lsid:plazi:treatment:B38883F5128C52D09C07B70EBCF87EAB:DC4D67AA6E7D7397D61ADE483D47729A" country="United Kingdom" municipality="Burnham" name="Norfolk" stateProvince="England">Norfolk</location>
; 
<collectorName id="CB5C8FC09714FE2D7B3A7658AE6B51A1">William Smith</collectorName>
sample; 
<date id="34B46C444D6C379D031C48A6CA92D307" value="1854-01-01">
<collectingDate id="B999E701C9ABE9454C99769CE1023798" value="1854-01-01">1 Jan. 1854</collectingDate>
</date>
; leg. 
<collectorName id="1479228BEF3BB60423CF491FBA164410">Mr. Brookes</collectorName>
; slide 
<specimenCode id="BE1C585570312CFDF2D470CB8753287F">BR- 4824</specimenCode>
; 
<collectionCode id="5B854B82F204F6BDBD37BD68BFC116AB" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection">BR</collectionCode>
</materialsCitation>
• 
<materialsCitation id="598DF1A6FE62E05091387AF8F0D42B69" collectingDate="1856-08" collectionCode="BR" collectorName="Walker Arnott &amp; R. K. Greville" country="United Kingdom" county="Redesdale" location="Hermits Well" municipality="Hermits Well" specimenCode="BR- 4823" specimenCount="1" stateProvince="England">
<collectingCounty id="8E5E396B02DCC5F1F879DF2FE09F5EF9">Redesdale</collectingCounty>
, 
<location id="962E458251D0B3D7473F844370897C46" LSID="urn:lsid:plazi:treatment:B38883F5128C52D09C07B70EBCF87EAB:962E458251D0B3D7473F844370897C46" country="United Kingdom" county="Redesdale" municipality="Hermits Well" name="Hermits Well" stateProvince="England">Hermits Well</location>
; 
<collectorName id="FCEFC20DB8F34F90B841838E91CA116A">Walker Arnott</collectorName>
sample S 445; 
<date id="6E5853A226C24E838D919322218F5613" value="1856-08">
<collectingDate id="E5DBAC2627F11566D6B2FEAD4989C939" value="1856-08">Aug. 1856</collectingDate>
</date>
; leg. 
<collectorName id="B613D4842B3150CBD4983EF4A43C5898">R. K. Greville</collectorName>
; slide 
<specimenCode id="3EE9C0516FB852D92F5BA49170DF4610">BR- 4823</specimenCode>
; 
<collectionCode id="5ED5A3D5BA4EE9800EA13BE2CD2A6F4B" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection">BR</collectionCode>
</materialsCitation>
.
</paragraph>
<paragraph id="58256DA74ADA243E3955E34ACEB8BC29">
<materialsCitation id="351CA079C038C2CF51937F8685DEF837" collectingDate="1854-07-24" collectionCode="BR" collectorName="Smith &amp; W. Smith" country="Ireland" county="William County" location="Clare" municipality="Smith" specimenCode="BR- 4825" specimenCount="1" stateProvince="Clare">
<collectingCountry id="2A3B64E5A0E320796D7BDBAAF4E863E7" name="Ireland">IRELAND</collectingCountry>
• 
<collectingCounty id="C3F675F6C6D7887A795CB51656F37866">William County</collectingCounty>
<location id="D6AAE8F42681E2B5CD314D88DDC33A69" LSID="urn:lsid:plazi:treatment:B38883F5128C52D09C07B70EBCF87EAB:D6AAE8F42681E2B5CD314D88DDC33A69" country="Ireland" county="William County" municipality="Smith" name="Clare" stateProvince="Clare">Clare</location>
; 
<collectorName id="6DB075CC6C08749254A63364211146C6">Smith</collectorName>
sample Lough Derg; 
<date id="C4DA21B5A66547AD98AAFFF634794528" value="1854-07-24">
<collectingDate id="974CCD9753EA50E5A567E8B05FB4B18F" value="1854-07-24">24 Jul. 1854</collectingDate>
</date>
; leg. 
<collectorName id="7F5010DAC6048A96738A7C50C14DAE58">W. Smith</collectorName>
; slide 
<specimenCode id="B8CFDAD9941809DC923CA8D75FE060BD">BR- 4825</specimenCode>
; 
<collectionCode id="64AB9A263FC210C6D9566DA4EB78ACDD" country="Brazil" name="Embrapa Agrobiology Diazothrophic Microbial Culture Collection">BR</collectionCode>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EE6CI" type="description">
<paragraph id="B4EBC77A90D79166456ACDFDDAF5A3D8">
<heading id="DA220B2D4FDA3BAEAADC27793B76B229" reason="title">Description note.</heading>
</paragraph>
<paragraph id="934842932E01B4EA160B99D913B2CE43">
As the search for 
<taxonomicName id="76B8221E22EB014DE889765E204587BD" class="Bacillariophyceae" family="Fragilariaceae" genus="Staurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" phylum="Ochrophyta" rank="species" species="leptostauron">
<emphasis id="B01270F8184B40C52AF5F466EFD513DC" italics="true">S. leptostauron</emphasis>
</taxonomicName>
in Ehrenberg’s sample 2726 was not successful, the following morphological description is based on the 
<typeStatus id="6039D1B1C01546E7A499834DBD14FDAA" type="epitype">epitype</typeStatus>
material from Moosach.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EV6CI" type="description">
<paragraph id="3F52C1B69F50F988F5D58DBAA24CECB7">
<heading id="540B70ECCDC5880A4560ECF07398E00F" reason="title">LM description.</heading>
</paragraph>
<paragraph id="90FE13A5FBE2A6141C17D4381E3B2613">
<underline id="EFAC0FD54C39E787FA5F1DBC5520376B">Frustules</underline>
in girdle view rectangular, impossible to get into focus entirely due to protruding central parts. 
<underline id="03E44B0C75D39C1B5A88A78012F97360">Valves</underline>
isopolar to weakly heteropolar with weakly narrower footpole (Fig. 
<figureCitation id="802ACCC20BE9C0976D23FF32DCFA073E" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Staurosirella leptostauron (Ehrenb.) D. M. Williams &amp; Round, LM and SEM micrographs taken from Grunow’s Moosach sample (BR- 4819, Moosach, Germany). A. Published images in Ehrenberg (1854: figs 35–36) after original drawing from C. G. Ehrenberg in BHUPM 2347. B. LM picture of three connected frustules in girdle view. B – L. LM pictures of valves in valve face view in decreasing length. M. SEM external view of two connected frustules in girdle view. N. SEM view of the valvocopula connected to the girdle showing the fimbriate extensions. Scale bar = 10 µm." figureDoi="10.5091/plecevo.119907.figure4" httpUri="https://binary.pensoft.net/fig/1056755">4 B, F, L</figureCitation>
), distinctly cruciform throughout its entire cell cycle. 
<underline id="4EE670D05C3E7DA76777F396962858C1">Apices</underline>
elongated, narrow, acutely rounded. 
<underline id="1E17F6708731433C4DE15A87496CAF10">Central inflation</underline>
on both margins, acutely rounded. 
<underline id="46954DE6D1D08E73D9EE1F31EECC5CC9">Valve dimensions</underline>
(n = 25): length 15–23 µm, width 10–16 µm. 
<underline id="8CD17391D553908F94435147B13B5255">Sternum</underline>
broad, distinctly lanceolate, widened near the valve centre, often showing irregular markings (see for instance Fig. 4 
<collectionCode id="BEFD5ED375963B3F21F8150AA4850F43" country="Ukraine" name="Zoological Institute, Ukrainian Academy of Sciences">IK</collectionCode>
and N). 
<underline id="B5A35DF9F06D2D85BB0CF8944B7FB09E">Striae</underline>
parallel to weakly radiate at the centre, becoming more radiate towards the apices, clearly wider than the virgae, ca 
<quantity id="2834177A2323DB8A58602D290D7C6C4E" metricMagnitude="-1" metricUnit="m" metricValue="2.286" unit="in" value="9.0">9 in</quantity>
10 µm. Individual 
<underline id="C334D82C5CF67C821537F5BFCF52910A">areolae</underline>
only rarely discernible in 
<abbrev id="ABBRID0EUADI" xlink_title="light">LM</abbrev>
. Figure 
<figureCitation id="74843A716CC011535DF650868094AF29" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Staurosirella leptostauron (Ehrenb.) D. M. Williams &amp; Round, LM and SEM micrographs taken from Grunow’s Moosach sample (BR- 4819, Moosach, Germany). A. Published images in Ehrenberg (1854: figs 35–36) after original drawing from C. G. Ehrenberg in BHUPM 2347. B. LM picture of three connected frustules in girdle view. B – L. LM pictures of valves in valve face view in decreasing length. M. SEM external view of two connected frustules in girdle view. N. SEM view of the valvocopula connected to the girdle showing the fimbriate extensions. Scale bar = 10 µm." figureDoi="10.5091/plecevo.119907.figure4" httpUri="https://binary.pensoft.net/fig/1056755">4 A – L</figureCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0E3ADI" type="description">
<paragraph id="6BD78AB18E53DC3447CBF0A5170E714C">
<heading id="88F83961E9CCB5519C0A346B23CF6008" reason="title">SEM description.</heading>
</paragraph>
<paragraph id="87C7BA3FBED233D2B1E3A1CB9B755D93">
Valve face not flat, showing clear topography with raised virgae and sternum and depressed striae. Distinct short, parallel ridges present on the virgae, in line with the vimines separating the linear areolae. In eroded valves, ridges less prominently present to even absent. Sternum often irregularly raised. Large, flattened, irregularly shaped marginal blunt spines placed on the virgae. Numerous, irregular, often very small granules present on the virgae between the spines and the vimines. Apical pore fields present on both apices, clearly different in size and shape, giving the valves an heteropolar appearance. Pore field at the footpole composed of more than 8 long rows of small, rounded to squarish pores. At the headpole, pore field smaller, with a maximum of 5–6 short rows of small pores. Observations of valve interior in the Moosach material showing typical finely branched volae (Fig. 
<figureCitation id="90E6D8B4EBDEDD1CA12332F54F63A16A" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Staurosirella leptostauron (Ehrenb.) D. M. Williams &amp; Round, LM and SEM micrographs taken from Grunow’s Moosach sample (BR- 4819, Moosach, Germany). A. Published images in Ehrenberg (1854: figs 35–36) after original drawing from C. G. Ehrenberg in BHUPM 2347. B. LM picture of three connected frustules in girdle view. B – L. LM pictures of valves in valve face view in decreasing length. M. SEM external view of two connected frustules in girdle view. N. SEM view of the valvocopula connected to the girdle showing the fimbriate extensions. Scale bar = 10 µm." figureDoi="10.5091/plecevo.119907.figure4" httpUri="https://binary.pensoft.net/fig/1056755">4 N</figureCitation>
). Valvocopula with well-developed fimbriae. Figure 
<figureCitation id="04392A606F2EAA71E4D14C07E3DF6404" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Staurosirella leptostauron (Ehrenb.) D. M. Williams &amp; Round, LM and SEM micrographs taken from Grunow’s Moosach sample (BR- 4819, Moosach, Germany). A. Published images in Ehrenberg (1854: figs 35–36) after original drawing from C. G. Ehrenberg in BHUPM 2347. B. LM picture of three connected frustules in girdle view. B – L. LM pictures of valves in valve face view in decreasing length. M. SEM external view of two connected frustules in girdle view. N. SEM view of the valvocopula connected to the girdle showing the fimbriate extensions. Scale bar = 10 µm." figureDoi="10.5091/plecevo.119907.figure4" httpUri="https://binary.pensoft.net/fig/1056755">4 M – P</figureCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EPBDI" type="Associated diatom flora">
<paragraph id="F612443951A3A8378749D76251330CB6">
<heading id="E8369AA990EC4123B398D73A415461FB" reason="title">Associated diatom flora.</heading>
</paragraph>
<paragraph id="3B32D2AC813097B45F50FF13C68F95EB">
The Moosach population is quite diverse and dominated by taxa such as 
<taxonomicName id="F6B88A67F982B6678D0933543459C134" authority="(Kutz.) Heib." authorityName="Heib." baseAuthorityName="Kutz." class="Bacillariophyceae" family="Achnanthidiaceae" genus="Achnanthidium" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="exile">
<emphasis id="03209AD473F2307934DF9DDDC59C6713" italics="true">Achnanthidium exile</emphasis>
(Kütz.) Heib.
</taxonomicName>
, 
<taxonomicName id="D1B6A2438F3F24D51A291A1FEB807282" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="pseudothumensis">
<emphasis id="EA2EEA281E01B45A033217A5B3450E42" italics="true">Cocconeis pseudothumensis</emphasis>
</taxonomicName>
, 
<taxonomicName id="D36691ED56762AA5950B2772B0C11E94" authority="Grunow" authorityName="Grunow" authorityYear="1862" class="Bacillariophyceae" family="Bacillariaceae" genus="Denticula" higherTaxonomySource="GBIF" kingdom="Chromista" order="Bacillariales" phylum="Ochrophyta" rank="species" species="kuetzingii">
<emphasis id="A9E60774B91F41A2BECFA77441FF6CD7" italics="true">Denticula kuetzingii</emphasis>
Grunow
</taxonomicName>
, 
<taxonomicName id="80EE63D91614BF1D6A2212DC9C069857" authority="Kutz." authorityName="Kutz." class="Bacillariophyceae" family="Bacillariaceae" genus="Denticula" higherTaxonomySource="GBIF" kingdom="Chromista" order="Bacillariales" phylum="Ochrophyta" rank="species" species="tenuis">
<emphasis id="00926160958D86DB8E664A85A4AC7DD5" italics="true">D. tenuis</emphasis>
Kütz.
</taxonomicName>
, 
<taxonomicName id="5459FB656CD09F9E86A62862BD5D6886" authority="(Moore) Dorofeyuk &amp; Kulikovskiy" authorityName="Dorofeyuk &amp; Kulikovskiy" baseAuthorityName="Moore" class="Bacillariophyceae" family="Paraliaceae" genus="Ellerbeckia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Paraliales" phylum="Ochrophyta" rank="species" species="arenaria">
<emphasis id="B9AFC9EE664B6E9EC0199A4FF45B3760" italics="true">Ellerbeckia arenaria</emphasis>
(Moore) Dorofeyuk &amp; Kulikovskiy
</taxonomicName>
, 
<taxonomicName id="BE2720E9B945C6657C6036F0BE7C45D4" authority="Lange-Bert." authorityName="Lange-Bert." class="Bacillariophyceae" family="Eunotiaceae" genus="Eunotia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Eunotiales" phylum="Ochrophyta" rank="species" species="alkalibiontica">
<emphasis id="AA56B8BF0126FDFB373CF412F1C668F0" italics="true">Eunotia alkalibiontica</emphasis>
Lange-Bert.
</taxonomicName>
, 
<taxonomicName id="E64DCDEB4A844027EF7398063EFA6C97" authority="(Grunow) Rabenh." authorityName="Rabenh." baseAuthorityName="Grunow" class="Bacillariophyceae" family="Bacillariaceae" genus="Grunowia" higherTaxonomySource="GBIF" kingdom="Chromista" order="Bacillariales" phylum="Ochrophyta" rank="species" species="tabellaria">
<emphasis id="3DF8B91919C0515D520E9BAC3094386F" italics="true">Grunowia tabellaria</emphasis>
(Grunow) Rabenh.
</taxonomicName>
, 
<taxonomicName id="8570262B15E9B12B2857D9A191D0CA6D" authority="(Ehrenb.) Kutz." authorityName="Kutz." baseAuthorityName="Ehrenb." class="Gastropoda" family="Caecidae" genus="Odontidium" kingdom="Animalia" order="Littorinimorpha" phylum="Mollusca" rank="species" species="mesodon">
<emphasis id="51904DC6D34AF67142C8E4501ADFB493" italics="true">Odontidium mesodon</emphasis>
(Ehrenb.) Kütz.
</taxonomicName>
, 
<taxonomicName id="D7F150B4FD4830D1B2512A31CD198400" authority="E. Morales et al." authorityName="E. Morales" class="Bacillariophyceae" family="Fragilariaceae" genus="Staurosirella" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" phylum="Ochrophyta" rank="species" species="neopinnata">
<emphasis id="509077AE2C40FBCBFB8E85E5B36FB607" italics="true">Staurosirella neopinnata</emphasis>
E. Morales et al.
</taxonomicName>
, 
<taxonomicName id="B85D78F7C97EA7C79640EB85B161466C" authority="(Ehrenb.) D. M. Williams &amp; Round" authorityName="D. M. Williams &amp; Round" baseAuthorityName="Ehrenb." class="Bacillariophyceae" family="Fragilariaceae" genus="Staurosira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Fragilariales" phylum="Ochrophyta" rank="species" species="leptostauron">
<emphasis id="9C192A0075C582E08F3E4D9643C425C9" italics="true">S. leptostauron</emphasis>
(Ehrenb.) D. M. Williams &amp; Round
</taxonomicName>
, and various species of 
<taxonomicName id="990F98331C6F516E5FAB52ACDD86031D" class="Bacillariophyceae" family="Cymbellaceae" genus="Delicata" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" phylum="Ochrophyta" rank="genus">
<emphasis id="179B00675A708A38EC2BB972F42E5A03" italics="true">Delicata</emphasis>
</taxonomicName>
, 
<taxonomicName id="4AC17D2C1D3A21595EB589372A34C701" class="Agaricomycetes" family="Hymenogastraceae" genus="Cymbella" kingdom="Fungi" order="Agaricales" phylum="Basidiomycota" rank="genus">
<emphasis id="A917CF6986F1289CCA51D2B36ACF01C1" italics="true">Cymbella</emphasis>
</taxonomicName>
, and 
<taxonomicName id="FB93DA312E4175C6A6D08F2B463AF3AC" class="Bacillariophyceae" family="Gomphonemataceae" genus="Gomphonema" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" phylum="Ochrophyta" rank="genus">
<emphasis id="D8AB7FCA11ED09DA14A070D069C50195" italics="true">Gomphonema</emphasis>
</taxonomicName>
. This species composition is often found in oligo- to mesotrophic, calcium-bicarbonate enriched, alkaline conditions (
<bibRefCitation id="25DB4966A3E5E048BA239E1B722BAB4E" author="Lange-Bertalot" etAl="et al." firstAuthor="Lange-Bertalot" refId="B28" refString="Lange-Bertalot H, Hofmann G, Werum M, Cantonati M (2017) Freshwater benthic diatoms of Central Europe: over 800 common species used in ecological assessment. English edition with updated taxonomy and added species. Koeltz Botanical Books, Schmitten-Oberreifenberg, 1–942." year="2017">Lange-Bertalot et al. 2017</bibRefCitation>
). In the Smith sample s. n. from Lough Dern (
<collectingCountry id="B48765F483566268F01B5E8BB904AAAD" name="United Kingdom">Scotland</collectingCountry>
, 
<collectingCountry id="BA5C6AF8EE0BEF938F7F1DA3CF993EE8" name="United Kingdom">United Kingdom</collectingCountry>
), the dominant species include 
<taxonomicName id="EF36C40E4199BBA7FB8BCB53A89BDC98" authority="(Rabenh.) Krammer" authorityName="Krammer" authorityYear="1997" baseAuthorityName="Rabenh." class="Bacillariophyceae" family="Cymbellaceae" genus="Encyonopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" phylum="Ochrophyta" rank="species" species="cesatii">
<emphasis id="19A2AEE99FA14D5EB1CFEBB94E290B44" italics="true">Encyonopsis cesatii</emphasis>
(Rabenh.) Krammer
</taxonomicName>
, several smaller species of 
<taxonomicName id="16C6315D4AA44BEE7E89B33AA52C2B27" authorityName="K.Krammer" authorityYear="1997" class="Bacillariophyceae" family="Cymbellaceae" genus="Encyonopsis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" phylum="Ochrophyta" rank="genus">
<emphasis id="4738A5D6608FAE60C1D81705480B752A" italics="true">Encyonopsis</emphasis>
</taxonomicName>
and 
<taxonomicName id="E72EDE335FB483EBC315B72B7CBC83B8" class="Agaricomycetes" family="Hymenogastraceae" genus="Cymbella" kingdom="Fungi" order="Agaricales" phylum="Basidiomycota" rank="genus">
<emphasis id="AF309987E0DEFB4BB1D33DD0A3BF93CC" italics="true">Cymbella</emphasis>
</taxonomicName>
, 
<taxonomicName id="0F5694E8E7687EC0AE3C48DE954E07EA" class="Bacillariophyceae" family="Bacillariaceae" genus="Denticula" higherTaxonomySource="GBIF" kingdom="Chromista" order="Bacillariales" phylum="Ochrophyta" rank="species" species="tenuis">
<emphasis id="82E9FC5BA1C8BB1E633C3333E1F774D8" italics="true">Denticula tenuis</emphasis>
</taxonomicName>
, and 
<taxonomicName id="309AB6C5DAF6655E1CB325CE03DAAA6A" authority="(Breb.) W. Sm." authorityName="W. Sm." baseAuthorityName="Breb." class="Bacillariophyceae" family="Surirellaceae" genus="Cymatopleura" higherTaxonomySource="GBIF" kingdom="Chromista" order="Surirellales" phylum="Ochrophyta" rank="species" species="solea">
<emphasis id="37F42E3ECF878F4679463A07D56875DA" italics="true">Cymatopleura solea</emphasis>
(Bréb.) W. Sm.
</taxonomicName>
The Walker Arnott population from Redesdale, a valley in the western part of 
<collectingRegion id="E292BC555C9310A573557A173A81F43D" country="United Kingdom" name="Northumberland">Northumberland</collectingRegion>
, (northeast 
<collectingCountry id="AF7418368675DE641E28A6674FCB8B5A" name="United Kingdom">England</collectingCountry>
, 
<collectingCountry id="75B90207A5D8258E075FE3BBBA33CFC4" name="United Kingdom">United Kingdom</collectingCountry>
) presents a similar species composition with very high numbers of 
<taxonomicName id="63BCBC172AC00BE9065FEED374A3B6EA" class="Bacillariophyceae" family="Brachysiraceae" genus="Brachysira" higherTaxonomySource="GBIF" kingdom="Chromista" order="Naviculales" phylum="Ochrophyta" rank="species" species="neoexilis">
<emphasis id="D8D95037237D68290707EF4560E46660" italics="true">Brachysira neoexilis</emphasis>
</taxonomicName>
, 
<taxonomicName id="DEFDE7F3229A20BC330F92E93606376A" class="Bacillariophyceae" family="Cymbellaceae" genus="Delicata" higherTaxonomySource="GBIF" kingdom="Chromista" order="Cymbellales" phylum="Ochrophyta" rank="species" species="delicatula">
<emphasis id="040CF4E0F5A9E215EB2CD70F9E1760C0" italics="true">Delicata delicatula</emphasis>
</taxonomicName>
, 
<taxonomicName id="3811F39EEC9011033B1C5F49226FF995" class="Bacillariophyceae" family="Bacillariaceae" genus="Denticula" higherTaxonomySource="GBIF" kingdom="Chromista" order="Bacillariales" phylum="Ochrophyta" rank="species" species="tenuis">
<emphasis id="D241D8804EBD2F1DFF430CE82114D968" italics="true">Denticula tenuis</emphasis>
</taxonomicName>
, 
<taxonomicName id="DDFDB1EE64F831554A9FE7C1C11FF47A" authority="(Kutz.) F. Meister" authorityName="F. Meister" baseAuthorityName="Kutz." class="Bacillariophyceae" family="Achnanthidiaceae" genus="Eucocconeis" higherTaxonomySource="GBIF" kingdom="Chromista" order="Achnanthales" phylum="Ochrophyta" rank="species" species="flexella">
<emphasis id="1CCD21F0F7E42F412E46C1F5D84D9B73" italics="true">Eucocconeis flexella</emphasis>
(Kütz.) F. Meister
</taxonomicName>
, and 
<taxonomicName id="DDF46E306F691DE5423A05135B062E31" class="Bacillariophyceae" family="Fragilariaceae" genus="Fragilaria" higherTaxonomySource="GBIF" isUncertain="true" kingdom="Chromista" order="Fragilariales" phylum="Ochrophyta" rank="species" species="amphicephaloides">
<emphasis id="F4D4725A69E0181197F76E15C3AE768F" italics="true">Fragilaria</emphasis>
cf. 
<emphasis id="DC2860BC27A5EC5F4FCDC0DE0DA1FBD7" italics="true">amphicephaloides</emphasis>
</taxonomicName>
. All analysed 
<collectingCountry id="99C55D4AF00F4CD0A13BA633E79B123E" name="United Kingdom">UK</collectingCountry>
populations indicate alkaline, mesotrophic calcium-bicarbonate enriched lake conditions (
<bibRefCitation id="F13E6DF2AF5D424B98356CE600B84743" author="Lange-Bertalot" etAl="et al." firstAuthor="Lange-Bertalot" refId="B28" refString="Lange-Bertalot H, Hofmann G, Werum M, Cantonati M (2017) Freshwater benthic diatoms of Central Europe: over 800 common species used in ecological assessment. English edition with updated taxonomy and added species. Koeltz Botanical Books, Schmitten-Oberreifenberg, 1–942." year="2017">Lange-Bertalot et al. 2017</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>